Merge ../linux-2.6

130 files changed, 2078 insertions, 1230 deletions

diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index eb20c3afff58..a8682612abc0 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -43,21 +43,17 @@
 #include "proto.h"
 #include "pci_impl.h"
 
-void default_idle(void)
-{
-	barrier();
-}
-
 void
 cpu_idle(void)
 {
+	set_thread_flag(TIF_POLLING_NRFLAG);
+
 	while (1) {
-		void (*idle)(void) = default_idle;
 		/* FIXME -- EV6 and LCA45 know how to power down
 		   the CPU.  */
 
 		while (!need_resched())
-			idle();
+			cpu_relax();
 		schedule();
 	}
 }
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 296bc03d1cf1..ec77721507cb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -324,7 +324,7 @@ menu "Kernel Features"
 
 config SMP
 	bool "Symmetric Multi-Processing (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && BROKEN #&& n
+	depends on EXPERIMENTAL && REALVIEW_MPCORE
 	help
 	  This enables support for systems with more than one CPU. If you have
 	  a system with only one CPU, like most personal computers, say N. If
@@ -356,6 +356,16 @@ config HOTPLUG_CPU
 	  Say Y here to experiment with turning CPUs off and on.  CPUs
 	  can be controlled through /sys/devices/system/cpu.
 
+config LOCAL_TIMERS
+	bool "Use local timer interrupts"
+	depends on SMP && REALVIEW_MPCORE
+	default y
+	help
+	  Enable support for local timers on SMP platforms, rather then the
+	  legacy IPI broadcast method.  Local timers allows the system
+	  accounting to be spread across the timer interval, preventing a
+	  "thundering herd" at every timer tick.
+
 config PREEMPT
 	bool "Preemptible Kernel (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
@@ -585,7 +595,7 @@ config FPE_NWFPE
 
 config FPE_NWFPE_XP
 	bool "Support extended precision"
-	depends on FPE_NWFPE && !CPU_BIG_ENDIAN
+	depends on FPE_NWFPE
 	help
 	  Say Y to include 80-bit support in the kernel floating-point
 	  emulator.  Otherwise, only 32 and 64-bit support is compiled in.
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 50f13eec6cd7..5ab94584baee 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -283,8 +283,14 @@ void flush_window(void)
 	putstr(".");
 }
 
+#ifndef arch_error
+#define arch_error(x)
+#endif
+
 static void error(char *x)
 {
+	arch_error(x);
+
 	putstr("\n\n");
 	putstr(x);
 	putstr("\n\n -- System halted");
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index bb4eff614413..c7fdf390cef9 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -19,12 +19,6 @@
 
 #define SCOOP_REG(d,adr) (*(volatile unsigned short*)(d +(adr)))
 
-/* PCMCIA to Scoop linkage structures for pxa2xx_sharpsl.c
-   There is no easy way to link multiple scoop devices into one
-   single entity for the pxa2xx_pcmcia device */
-int scoop_num;
-struct scoop_pcmcia_dev *scoop_devs;
-
 struct  scoop_dev {
 	void  *base;
 	spinlock_t scoop_lock;
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 7b17a87a3311..7a3261f0bf79 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -9,6 +9,7 @@
  */
 #include <linux/module.h>
 #include <linux/string.h>
+#include <linux/cryptohash.h>
 #include <linux/delay.h>
 #include <linux/in6.h>
 #include <linux/syscalls.h>
@@ -126,6 +127,9 @@ EXPORT_SYMBOL(__put_user_2);
 EXPORT_SYMBOL(__put_user_4);
 EXPORT_SYMBOL(__put_user_8);
 
+	/* crypto hash */
+EXPORT_SYMBOL(sha_transform);
+
 	/* gcc lib functions */
 EXPORT_SYMBOL(__ashldi3);
 EXPORT_SYMBOL(__ashrdi3);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index a511ec5b11a3..d9fb819bf7cc 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -47,6 +47,13 @@
 	movne	r0, sp
 	adrne	lr, 1b
 	bne	do_IPI
+
+#ifdef CONFIG_LOCAL_TIMERS
+	test_for_ltirq r0, r6, r5, lr
+	movne	r0, sp
+	adrne	lr, 1b
+	bne	do_local_timer
+#endif
 #endif
 
 	.endm
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 9def4404e1f2..d7099dbbb879 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -264,6 +264,7 @@ unlock:
 #endif
 #ifdef CONFIG_SMP
 		show_ipi_list(p);
+		show_local_irqs(p);
 #endif
 		seq_printf(p, "Err: %10lu\n", irq_err_count);
 	}
@@ -995,7 +996,7 @@ void __init init_irq_proc(void)
 	struct proc_dir_entry *dir;
 	int irq;
 
-	dir = proc_mkdir("irq", 0);
+	dir = proc_mkdir("irq", NULL);
 	if (!dir)
 		return;
 
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index ba298277becd..30494aab829a 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -86,12 +86,16 @@ EXPORT_SYMBOL(pm_power_off);
  */
 void default_idle(void)
 {
-	local_irq_disable();
-	if (!need_resched() && !hlt_counter) {
-		timer_dyn_reprogram();
-		arch_idle();
+	if (hlt_counter)
+		cpu_relax();
+	else {
+		local_irq_disable();
+		if (!need_resched()) {
+			timer_dyn_reprogram();
+			arch_idle();
+		}
+		local_irq_enable();
 	}
-	local_irq_enable();
 }
 
 /*
@@ -116,13 +120,13 @@ void cpu_idle(void)
 
 		if (!idle)
 			idle = default_idle;
-		preempt_disable();
 		leds_event(led_idle_start);
 		while (!need_resched())
 			idle();
 		leds_event(led_idle_end);
-		preempt_enable();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
@@ -355,7 +359,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long stack_start,
 	struct thread_info *thread = p->thread_info;
 	struct pt_regs *childregs;
 
-	childregs = ((struct pt_regs *)((unsigned long)thread + THREAD_START_SP)) - 1;
+	childregs = (void *)thread + THREAD_START_SP - sizeof(*regs);
 	*childregs = *regs;
 	childregs->ARM_r0 = 0;
 	childregs->ARM_sp = stack_start;
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index edb5a406922f..e55ea952f7aa 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -142,7 +142,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
 			ret = -EIO;
 	}
 
-	secondary_data.stack = 0;
+	secondary_data.stack = NULL;
 	secondary_data.pgdir = 0;
 
 	*pmd_offset(pgd, PHYS_OFFSET) = __pmd(0);
@@ -185,6 +185,11 @@ int __cpuexit __cpu_disable(void)
 	migrate_irqs();
 
 	/*
+	 * Stop the local timer for this CPU.
+	 */
+	local_timer_stop(cpu);
+
+	/*
 	 * Flush user cache and TLB mappings, and then remove this CPU
 	 * from the vm mask set of all processes.
 	 */
@@ -251,7 +256,9 @@ void __cpuexit cpu_die(void)
 asmlinkage void __cpuinit secondary_start_kernel(void)
 {
 	struct mm_struct *mm = &init_mm;
-	unsigned int cpu = smp_processor_id();
+	unsigned int cpu;
+
+	cpu = smp_processor_id();
 
 	printk("CPU%u: Booted secondary processor\n", cpu);
 
@@ -268,6 +275,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	local_flush_tlb_all();
 
 	cpu_init();
+	preempt_disable();
 
 	/*
 	 * Give the platform a chance to do its own initialisation.
@@ -290,6 +298,11 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	cpu_set(cpu, cpu_online_map);
 
 	/*
+	 * Setup local timer for this CPU.
+	 */
+	local_timer_setup(cpu);
+
+	/*
 	 * OK, it's off to the idle thread for us
 	 */
 	cpu_idle();
@@ -359,8 +372,8 @@ static void send_ipi_message(cpumask_t callmap, enum ipi_msg_type msg)
  * You must not call this function with disabled interrupts, from a
  * hardware interrupt handler, nor from a bottom half handler.
  */
-int smp_call_function_on_cpu(void (*func)(void *info), void *info, int retry,
-                             int wait, cpumask_t callmap)
+static int smp_call_function_on_cpu(void (*func)(void *info), void *info,
+				    int retry, int wait, cpumask_t callmap)
 {
 	struct smp_call_struct data;
 	unsigned long timeout;
@@ -454,6 +467,18 @@ void show_ipi_list(struct seq_file *p)
 	seq_putc(p, '\n');
 }
 
+void show_local_irqs(struct seq_file *p)
+{
+	unsigned int cpu;
+
+	seq_printf(p, "LOC: ");
+
+	for_each_present_cpu(cpu)
+		seq_printf(p, "%10u ", irq_stat[cpu].local_timer_irqs);
+
+	seq_putc(p, '\n');
+}
+
 static void ipi_timer(struct pt_regs *regs)
 {
 	int user = user_mode(regs);
@@ -464,6 +489,18 @@ static void ipi_timer(struct pt_regs *regs)
 	irq_exit();
 }
 
+#ifdef CONFIG_LOCAL_TIMERS
+asmlinkage void do_local_timer(struct pt_regs *regs)
+{
+	int cpu = smp_processor_id();
+
+	if (local_timer_ack()) {
+		irq_stat[cpu].local_timer_irqs++;
+		ipi_timer(regs);
+	}
+}
+#endif
+
 /*
  * ipi_call_function - handle IPI from smp_call_function()
  *
@@ -515,7 +552,7 @@ static void ipi_cpu_stop(unsigned int cpu)
  *
  *  Bit 0 - Inter-processor function call
  */
-void do_IPI(struct pt_regs *regs)
+asmlinkage void do_IPI(struct pt_regs *regs)
 {
 	unsigned int cpu = smp_processor_id();
 	struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h
index f35d91fbe117..b8c14e936697 100644
--- a/arch/arm/lib/bitops.h
+++ b/arch/arm/lib/bitops.h
@@ -34,7 +34,7 @@
 	and	r2, r0, #7
 	mov	r3, #1
 	mov	r3, r3, lsl r2
-	save_and_disable_irqs ip, r2
+	save_and_disable_irqs ip
 	ldrb	r2, [r1, r0, lsr #3]
 	\instr	r2, r2, r3
 	strb	r2, [r1, r0, lsr #3]
@@ -54,7 +54,7 @@
 	add	r1, r1, r0, lsr #3
 	and	r3, r0, #7
 	mov	r0, #1
-	save_and_disable_irqs ip, r2
+	save_and_disable_irqs ip
 	ldrb	r2, [r1]
 	tst	r2, r0, lsl r3
 	\instr	r2, r2, r0, lsl r3
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index df140962bb0f..6851abaf5524 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -84,63 +84,54 @@ static struct map_desc ixp2000_io_desc[] __initdata = {
 		.virtual	= IXP2000_CAP_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_CAP_PHYS_BASE),
 		.length		= IXP2000_CAP_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}, {
 		.virtual	= IXP2000_INTCTL_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_INTCTL_PHYS_BASE),
 		.length		= IXP2000_INTCTL_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}, {
 		.virtual	= IXP2000_PCI_CREG_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_PCI_CREG_PHYS_BASE),
 		.length		= IXP2000_PCI_CREG_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}, {
 		.virtual	= IXP2000_PCI_CSR_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_PCI_CSR_PHYS_BASE),
 		.length		= IXP2000_PCI_CSR_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}, {
 		.virtual	= IXP2000_MSF_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_MSF_PHYS_BASE),
 		.length		= IXP2000_MSF_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}, {
 		.virtual	= IXP2000_PCI_IO_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_PCI_IO_PHYS_BASE),
 		.length		= IXP2000_PCI_IO_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}, {
 		.virtual	= IXP2000_PCI_CFG0_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_PCI_CFG0_PHYS_BASE),
 		.length		= IXP2000_PCI_CFG0_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}, {
 		.virtual	= IXP2000_PCI_CFG1_VIRT_BASE,
 		.pfn		= __phys_to_pfn(IXP2000_PCI_CFG1_PHYS_BASE),
 		.length		= IXP2000_PCI_CFG1_SIZE,
-		.type		= MT_DEVICE
+		.type		= MT_IXP2000_DEVICE,
 	}
 };
 
 void __init ixp2000_map_io(void)
 {
-	extern unsigned int processor_id;
-
 	/*
-	 * On IXP2400 CPUs we need to use MT_IXP2000_DEVICE for
-	 * tweaking the PMDs so XCB=101. On IXP2800s we use the normal
-	 * PMD flags.
+	 * On IXP2400 CPUs we need to use MT_IXP2000_DEVICE so that
+	 * XCB=101 (to avoid triggering erratum #66), and given that
+	 * this mode speeds up I/O accesses and we have write buffer
+	 * flushes in the right places anyway, it doesn't hurt to use
+	 * XCB=101 for all IXP2000s.
 	 */
-	if ((processor_id & 0xfffffff0) == 0x69054190) {
-		int i;
-
-		printk(KERN_INFO "Enabling IXP2400 erratum #66 workaround\n");
-
-		for(i=0;i<ARRAY_SIZE(ixp2000_io_desc);i++)
-			ixp2000_io_desc[i].type = MT_IXP2000_DEVICE;
-	}
-
 	iotable_init(ixp2000_io_desc, ARRAY_SIZE(ixp2000_io_desc));
 
 	/* Set slowport to 8-bit mode.  */
diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c
index be283cda63dd..399010c14036 100644
--- a/arch/arm/mach-omap1/leds-h2p2-debug.c
+++ b/arch/arm/mach-omap1/leds-h2p2-debug.c
@@ -13,7 +13,6 @@
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
 #include <linux/sched.h>
-#include <linux/version.h>
 
 #include <asm/io.h>
 #include <asm/hardware.h>
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index eb5f6d744a4a..100fb31b5156 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -62,6 +62,37 @@ static struct scoop_config corgi_scoop_setup = {
 	.io_out		= CORGI_SCOOP_IO_OUT,
 };
 
+struct platform_device corgiscoop_device = {
+	.name		= "sharp-scoop",
+	.id		= -1,
+	.dev		= {
+ 		.platform_data	= &corgi_scoop_setup,
+	},
+	.num_resources	= ARRAY_SIZE(corgi_scoop_resources),
+	.resource	= corgi_scoop_resources,
+};
+
+static void corgi_pcmcia_init(void)
+{
+	/* Setup default state of GPIO outputs
+	   before we enable them as outputs. */
+	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
+		GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
+		GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
+		GPIO_bit(GPIO53_nPCE_2);
+
+	pxa_gpio_mode(GPIO48_nPOE_MD);
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+	pxa_gpio_mode(GPIO50_nPIOR_MD);
+	pxa_gpio_mode(GPIO51_nPIOW_MD);
+	pxa_gpio_mode(GPIO55_nPREG_MD);
+	pxa_gpio_mode(GPIO56_nPWAIT_MD);
+	pxa_gpio_mode(GPIO57_nIOIS16_MD);
+	pxa_gpio_mode(GPIO52_nPCE_1_MD);
+	pxa_gpio_mode(GPIO53_nPCE_2_MD);
+	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
+}
+
 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
 {
 	.dev        = &corgiscoop_device.dev,
@@ -71,16 +102,14 @@ static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
 },
 };
 
-struct platform_device corgiscoop_device = {
-	.name		= "sharp-scoop",
-	.id		= -1,
-	.dev		= {
- 		.platform_data	= &corgi_scoop_setup,
-	},
-	.num_resources	= ARRAY_SIZE(corgi_scoop_resources),
-	.resource	= corgi_scoop_resources,
+static struct scoop_pcmcia_config corgi_pcmcia_config = {
+	.devs         = &corgi_pcmcia_scoop[0],
+	.num_devs     = 1,
+	.pcmcia_init  = corgi_pcmcia_init,
 };
 
+EXPORT_SYMBOL(corgiscoop_device);
+
 
 /*
  * Corgi SSP Device
@@ -294,8 +323,7 @@ static void __init corgi_init(void)
 	pxa_set_mci_info(&corgi_mci_platform_data);
 	pxa_set_ficp_info(&corgi_ficp_platform_data);
 
-	scoop_num = 1;
-	scoop_devs = &corgi_pcmcia_scoop[0];
+	platform_scoop_config = &corgi_pcmcia_config;
 
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index ad6a13f95a62..eef3de26ad37 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -65,6 +65,27 @@ struct platform_device poodle_scoop_device = {
 	.resource	= poodle_scoop_resources,
 };
 
+static void poodle_pcmcia_init(void)
+{
+	/* Setup default state of GPIO outputs
+	   before we enable them as outputs. */
+	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
+		GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
+		GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
+		GPIO_bit(GPIO53_nPCE_2);
+
+	pxa_gpio_mode(GPIO48_nPOE_MD);
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+	pxa_gpio_mode(GPIO50_nPIOR_MD);
+	pxa_gpio_mode(GPIO51_nPIOW_MD);
+	pxa_gpio_mode(GPIO55_nPREG_MD);
+	pxa_gpio_mode(GPIO56_nPWAIT_MD);
+	pxa_gpio_mode(GPIO57_nIOIS16_MD);
+	pxa_gpio_mode(GPIO52_nPCE_1_MD);
+	pxa_gpio_mode(GPIO53_nPCE_2_MD);
+	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
+}
+
 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 {
 	.dev        = &poodle_scoop_device.dev,
@@ -74,6 +95,14 @@ static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 },
 };
 
+static struct scoop_pcmcia_config poodle_pcmcia_config = {
+	.devs         = &poodle_pcmcia_scoop[0],
+	.num_devs     = 1,
+	.pcmcia_init  = poodle_pcmcia_init,
+};
+
+EXPORT_SYMBOL(poodle_scoop_device);
+
 
 /* LoCoMo device */
 static struct resource locomo_resources[] = {
@@ -268,8 +297,7 @@ static void __init poodle_init(void)
 	pxa_set_mci_info(&poodle_mci_platform_data);
 	pxa_set_ficp_info(&poodle_ficp_platform_data);
 
-	scoop_num = 1;
-	scoop_devs = &poodle_pcmcia_scoop[0];
+	platform_scoop_config = &poodle_pcmcia_config;
 
 	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 	if (ret) {
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 6c6878cd2207..4e9a699ee428 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -104,6 +104,66 @@ struct platform_device spitzscoop2_device = {
 	.resource	= spitz_scoop2_resources,
 };
 
+#define SPITZ_PWR_SD 0x01
+#define SPITZ_PWR_CF 0x02
+
+/* Power control is shared with between one of the CF slots and SD */
+static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
+{
+	unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
+
+	if (new_cpr & 0x0007) {
+	        set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+		if (!(cpr & 0x0002) && !(cpr & 0x0004))
+		        mdelay(5);
+		if (device == SPITZ_PWR_CF)
+		        cpr |= 0x0002;
+		if (device == SPITZ_PWR_SD)
+		        cpr |= 0x0004;
+	        write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
+	} else {
+		if (device == SPITZ_PWR_CF)
+		        cpr &= ~0x0002;
+		if (device == SPITZ_PWR_SD)
+		        cpr &= ~0x0004;
+	        write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
+		if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
+		        mdelay(1);
+		        reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+		}
+	}
+}
+
+static void spitz_pcmcia_init(void)
+{
+	/* Setup default state of GPIO outputs
+	   before we enable them as outputs. */
+	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
+		GPIO_bit(GPIO49_nPWE) |	GPIO_bit(GPIO50_nPIOR) |
+		GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO54_nPCE_2);
+	GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);
+
+	pxa_gpio_mode(GPIO48_nPOE_MD);
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+	pxa_gpio_mode(GPIO50_nPIOR_MD);
+	pxa_gpio_mode(GPIO51_nPIOW_MD);
+	pxa_gpio_mode(GPIO55_nPREG_MD);
+	pxa_gpio_mode(GPIO56_nPWAIT_MD);
+	pxa_gpio_mode(GPIO57_nIOIS16_MD);
+	pxa_gpio_mode(GPIO85_nPCE_1_MD);
+	pxa_gpio_mode(GPIO54_nPCE_2_MD);
+	pxa_gpio_mode(GPIO104_pSKTSEL_MD);
+}
+
+static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
+{
+	/* Only need to override behaviour for slot 0 */
+	if (nr == 0)
+		spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
+	else
+		write_scoop_reg(scoop, SCOOP_CPR, cpr);
+}
+
 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 {
 	.dev        = &spitzscoop_device.dev,
@@ -117,6 +177,16 @@ static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 },
 };
 
+static struct scoop_pcmcia_config spitz_pcmcia_config = {
+	.devs         = &spitz_pcmcia_scoop[0],
+	.num_devs     = 2,
+	.pcmcia_init  = spitz_pcmcia_init,
+	.power_ctrl   = spitz_pcmcia_pwr,
+};
+
+EXPORT_SYMBOL(spitzscoop_device);
+EXPORT_SYMBOL(spitzscoop2_device);
+
 
 /*
  * Spitz SSP Device
@@ -235,27 +305,14 @@ static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(in
 	return 0;
 }
 
-/* Power control is shared with one of the CF slots so we have a mess */
 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 {
 	struct pxamci_platform_data* p_d = dev->platform_data;
 
-	unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
-
-	if (( 1 << vdd) & p_d->ocr_mask) {
-		/* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */
-		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
-		mdelay(2);
-		write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04);
-	} else {
-		/* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */
-		write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04);
-
-		if (!(cpr | 0x02)) {
-			mdelay(1);
-			reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
-		}
-	}
+	if (( 1 << vdd) & p_d->ocr_mask)
+		spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
+	else
+		spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 }
 
 static int spitz_mci_get_ro(struct device *dev)
@@ -351,8 +408,8 @@ static void __init common_init(void)
 
 static void __init spitz_init(void)
 {
-	scoop_num = 2;
-	scoop_devs = &spitz_pcmcia_scoop[0];
+	platform_scoop_config = &spitz_pcmcia_config;
+
 	spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
 
 	common_init();
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 7dad3f1465e0..b9b2057349eb 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -132,11 +132,13 @@ static void __init pxa_timer_init(void)
 	tv.tv_sec = pxa_get_rtc_time();
 	do_settimeofday(&tv);
 
-	OSMR0 = 0;		/* set initial match at 0 */
+	OIER = 0;		/* disable any timer interrupts */
+	OSCR = LATCH*2;		/* push OSCR out of the way */
+	OSMR0 = LATCH;		/* set initial match */
 	OSSR = 0xf;		/* clear status on all timers */
 	setup_irq(IRQ_OST0, &pxa_timer_irq);
-	OIER |= OIER_E0;	/* enable match on timer 0 to cause interrupts */
-	OSCR = 0;		/* initialize free-running timer, force first match */
+	OIER = OIER_E0;		/* enable match on timer 0 to cause interrupts */
+	OSCR = 0;		/* initialize free-running timer */
 }
 
 #ifdef CONFIG_NO_IDLE_HZ
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 400609f8b6a8..c312054dfb88 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -98,6 +98,9 @@ struct platform_device tosascoop_jc_device = {
 	.resource	= tosa_scoop_jc_resources,
 };
 
+/*
+ * PCMCIA
+ */
 static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
 {
 	.dev        = &tosascoop_device.dev,
@@ -111,16 +114,155 @@ static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
 },
 };
 
+static void tosa_pcmcia_init(void)
+{
+	/* Setup default state of GPIO outputs
+	   before we enable them as outputs. */
+	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
+		GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
+		GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
+		GPIO_bit(GPIO53_nPCE_2);
+
+	pxa_gpio_mode(GPIO48_nPOE_MD);
+	pxa_gpio_mode(GPIO49_nPWE_MD);
+	pxa_gpio_mode(GPIO50_nPIOR_MD);
+	pxa_gpio_mode(GPIO51_nPIOW_MD);
+	pxa_gpio_mode(GPIO55_nPREG_MD);
+	pxa_gpio_mode(GPIO56_nPWAIT_MD);
+	pxa_gpio_mode(GPIO57_nIOIS16_MD);
+	pxa_gpio_mode(GPIO52_nPCE_1_MD);
+	pxa_gpio_mode(GPIO53_nPCE_2_MD);
+	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
+}
+
+static struct scoop_pcmcia_config tosa_pcmcia_config = {
+	.devs         = &tosa_pcmcia_scoop[0],
+	.num_devs     = 2,
+	.pcmcia_init  = tosa_pcmcia_init,
+};
+
+/*
+ * USB Device Controller
+ */
+static void tosa_udc_command(int cmd)
+{
+	switch(cmd)	{
+		case PXA2XX_UDC_CMD_CONNECT:
+			set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
+			break;
+		case PXA2XX_UDC_CMD_DISCONNECT:
+			reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
+			break;
+	}
+}
+
+static int tosa_udc_is_connected(void)
+{
+	return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
+}
+
+
+static struct pxa2xx_udc_mach_info udc_info __initdata = {
+	.udc_command		= tosa_udc_command,
+	.udc_is_connected	= tosa_udc_is_connected,
+};
+
+/*
+ * MMC/SD Device
+ */
+static struct pxamci_platform_data tosa_mci_platform_data;
+
+static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+	int err;
+
+	/* setup GPIO for PXA25x MMC controller */
+	pxa_gpio_mode(GPIO6_MMCCLK_MD);
+	pxa_gpio_mode(GPIO8_MMCCS0_MD);
+	pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN);
+
+	tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+
+	err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT,
+				"MMC/SD card detect", data);
+	if (err) {
+		printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+		return -1;
+	}
+
+	set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
+
+	return 0;
+}
+
+static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data* p_d = dev->platform_data;
+
+	if (( 1 << vdd) & p_d->ocr_mask) {
+		set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
+	} else {
+		reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
+	}
+}
+
+static int tosa_mci_get_ro(struct device *dev)
+{
+	return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
+}
+
+static void tosa_mci_exit(struct device *dev, void *data)
+{
+	free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
+}
+
+static struct pxamci_platform_data tosa_mci_platform_data = {
+	.ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+	.init           = tosa_mci_init,
+	.get_ro		= tosa_mci_get_ro,
+	.setpower       = tosa_mci_setpower,
+	.exit           = tosa_mci_exit,
+};
+
+/*
+ * Irda
+ */
+static void tosa_irda_transceiver_mode(struct device *dev, int mode)
+{
+	if (mode & IR_OFF) {
+		reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
+		pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW);
+		pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT);
+	} else {
+		pxa_gpio_mode(GPIO47_STTXD_MD);
+		set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
+	}
+}
+
+static struct pxaficp_platform_data tosa_ficp_platform_data = {
+	.transceiver_cap  = IR_SIRMODE | IR_OFF,
+	.transceiver_mode = tosa_irda_transceiver_mode,
+};
+
+/*
+ * Tosa Keyboard
+ */
+static struct platform_device tosakbd_device = {
+	.name		= "tosa-keyboard",
+	.id		= -1,
+};
 
 static struct platform_device *devices[] __initdata = {
 	&tosascoop_device,
 	&tosascoop_jc_device,
+	&tosakbd_device,
 };
 
 static void __init tosa_init(void)
 {
 	pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
 	pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
+	pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);
 
 	/* setup sleep mode values */
 	PWER  = 0x00000002;
@@ -131,13 +273,15 @@ static void __init tosa_init(void)
 	PGSR2 = 0x00014000;
 	PCFR |= PCFR_OPDE;
 
-	// enable batt_fault
+	/* enable batt_fault */
 	PMCR = 0x01;
 
-	platform_add_devices(devices, ARRAY_SIZE(devices));
+	pxa_set_mci_info(&tosa_mci_platform_data);
+	pxa_set_udc_info(&udc_info);
+	pxa_set_ficp_info(&tosa_ficp_platform_data);
+	platform_scoop_config = &tosa_pcmcia_config;
 
-	scoop_num = 2;
-	scoop_devs = &tosa_pcmcia_scoop[0];
+	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
 static void __init fixup_tosa(struct machine_desc *desc,
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index 4b63dc9eabfe..129976866d47 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -8,4 +8,13 @@ config MACH_REALVIEW_EB
 	help
 	  Include support for the ARM(R) RealView Emulation Baseboard platform.
 
+config REALVIEW_MPCORE
+	bool "Support MPcore tile"
+	depends on MACH_REALVIEW_EB
+	help
+	  Enable support for the MPCore tile on the Realview platform.
+	  Since there are device address and interrupt differences, a
+	  kernel built with this option enabled is not compatible with
+	  other tiles.
+
 endmenu
diff --git a/arch/arm/mach-realview/Makefile b/arch/arm/mach-realview/Makefile
index 8d37ea1605fd..36e76ba937fc 100644
--- a/arch/arm/mach-realview/Makefile
+++ b/arch/arm/mach-realview/Makefile
@@ -4,3 +4,6 @@
 
 obj-y					:= core.o clock.o
 obj-$(CONFIG_MACH_REALVIEW_EB)		+= realview_eb.o
+obj-$(CONFIG_SMP)			+= platsmp.o headsmp.o
+obj-$(CONFIG_HOTPLUG_CPU)		+= hotplug.o
+obj-$(CONFIG_LOCAL_TIMERS)		+= localtimer.o
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 482eb512ebe8..e2c6fa23d3cd 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -550,6 +550,11 @@ static irqreturn_t realview_timer_interrupt(int irq, void *dev_id, struct pt_reg
 
 	timer_tick(regs);
 
+#if defined(CONFIG_SMP) && !defined(CONFIG_LOCAL_TIMERS)
+	smp_send_timer();
+	update_process_times(user_mode(regs));
+#endif
+
 	write_sequnlock(&xtime_lock);
 
 	return IRQ_HANDLED;
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index 575599db74db..d83e8bad2038 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -23,6 +23,7 @@
 #define __ASM_ARCH_REALVIEW_H
 
 #include <asm/hardware/amba.h>
+#include <asm/leds.h>
 #include <asm/io.h>
 
 #define __io_address(n)		__io(IO_ADDRESS(n))
diff --git a/arch/arm/mach-realview/headsmp.S b/arch/arm/mach-realview/headsmp.S
new file mode 100644
index 000000000000..4075473cf68a
--- /dev/null
+++ b/arch/arm/mach-realview/headsmp.S
@@ -0,0 +1,39 @@
+/*
+ *  linux/arch/arm/mach-realview/headsmp.S
+ *
+ *  Copyright (c) 2003 ARM Limited
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+	__INIT
+
+/*
+ * Realview specific entry point for secondary CPUs.  This provides
+ * a "holding pen" into which all secondary cores are held until we're
+ * ready for them to initialise.
+ */
+ENTRY(realview_secondary_startup)
+	mrc	p15, 0, r0, c0, c0, 5
+	and	r0, r0, #15
+	adr	r4, 1f
+	ldmia	r4, {r5, r6}
+	sub	r4, r4, r5
+	add	r6, r6, r4
+pen:	ldr	r7, [r6]
+	cmp	r7, r0
+	bne	pen
+
+	/*
+	 * we've been released from the holding pen: secondary_stack
+	 * should now contain the SVC stack for this core
+	 */
+	b	secondary_startup
+
+1:	.long	.
+	.long	pen_release
diff --git a/arch/arm/mach-realview/hotplug.c b/arch/arm/mach-realview/hotplug.c
new file mode 100644
index 000000000000..09748cbcd10e
--- /dev/null
+++ b/arch/arm/mach-realview/hotplug.c
@@ -0,0 +1,138 @@
+/*
+ *  linux/arch/arm/mach-realview/hotplug.c
+ *
+ *  Copyright (C) 2002 ARM Ltd.
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/smp.h>
+#include <linux/completion.h>
+
+extern volatile int pen_release;
+
+static DECLARE_COMPLETION(cpu_killed);
+
+static inline void cpu_enter_lowpower(void)
+{
+	unsigned int v;
+
+	asm volatile(	"mcr	p15, 0, %1, c7, c14, 0\n"
+	"	mcr	p15, 0, %1, c7, c5, 0\n"
+	"	mcr	p15, 0, %1, c7, c10, 4\n"
+	/*
+	 * Turn off coherency
+	 */
+	"	mrc	p15, 0, %0, c1, c0, 1\n"
+	"	bic	%0, %0, #0x20\n"
+	"	mcr	p15, 0, %0, c1, c0, 1\n"
+	"	mrc	p15, 0, %0, c1, c0, 0\n"
+	"	bic	%0, %0, #0x04\n"
+	"	mcr	p15, 0, %0, c1, c0, 0\n"
+	  : "=&r" (v)
+	  : "r" (0)
+	  : "cc");
+}
+
+static inline void cpu_leave_lowpower(void)
+{
+	unsigned int v;
+
+	asm volatile(	"mrc	p15, 0, %0, c1, c0, 0\n"
+	"	orr	%0, %0, #0x04\n"
+	"	mcr	p15, 0, %0, c1, c0, 0\n"
+	"	mrc	p15, 0, %0, c1, c0, 1\n"
+	"	orr	%0, %0, #0x20\n"
+	"	mcr	p15, 0, %0, c1, c0, 1\n"
+	  : "=&r" (v)
+	  :
+	  : "cc");
+}
+
+static inline void platform_do_lowpower(unsigned int cpu)
+{
+	/*
+	 * there is no power-control hardware on this platform, so all
+	 * we can do is put the core into WFI; this is safe as the calling
+	 * code will have already disabled interrupts
+	 */
+	for (;;) {
+		/*
+		 * here's the WFI
+		 */
+		asm(".word	0xe320f003\n"
+		    :
+		    :
+		    : "memory", "cc");
+
+		if (pen_release == cpu) {
+			/*
+			 * OK, proper wakeup, we're done
+			 */
+			break;
+		}
+
+		/*
+		 * getting here, means that we have come out of WFI without
+		 * having been woken up - this shouldn't happen
+		 *
+		 * The trouble is, letting people know about this is not really
+		 * possible, since we are currently running incoherently, and
+		 * therefore cannot safely call printk() or anything else
+		 */
+#ifdef DEBUG
+		printk("CPU%u: spurious wakeup call\n", cpu);
+#endif
+	}
+}
+
+int platform_cpu_kill(unsigned int cpu)
+{
+	return wait_for_completion_timeout(&cpu_killed, 5000);
+}
+
+/*
+ * platform-specific code to shutdown a CPU
+ *
+ * Called with IRQs disabled
+ */
+void platform_cpu_die(unsigned int cpu)
+{
+#ifdef DEBUG
+	unsigned int this_cpu = hard_smp_processor_id();
+
+	if (cpu != this_cpu) {
+		printk(KERN_CRIT "Eek! platform_cpu_die running on %u, should be %u\n",
+			   this_cpu, cpu);
+		BUG();
+	}
+#endif
+
+	printk(KERN_NOTICE "CPU%u: shutdown\n", cpu);
+	complete(&cpu_killed);
+
+	/*
+	 * we're ready for shutdown now, so do it
+	 */
+	cpu_enter_lowpower();
+	platform_do_lowpower(cpu);
+
+	/*
+	 * bring this CPU back into the world of cache
+	 * coherency, and then restore interrupts
+	 */
+	cpu_leave_lowpower();
+}
+
+int mach_cpu_disable(unsigned int cpu)
+{
+	/*
+	 * we don't allow CPU 0 to be shutdown (it is still too special
+	 * e.g. clock tick interrupts)
+	 */
+	return cpu == 0 ? -EPERM : 0;
+}
diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c
new file mode 100644
index 000000000000..5e917e37d095
--- /dev/null
+++ b/arch/arm/mach-realview/localtimer.c
@@ -0,0 +1,130 @@
+/*
+ *  linux/arch/arm/mach-realview/localtimer.c
+ *
+ *  Copyright (C) 2002 ARM Ltd.
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/smp.h>
+
+#include <asm/mach/time.h>
+#include <asm/hardware/arm_twd.h>
+#include <asm/hardware/gic.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+#include "core.h"
+
+#define TWD_BASE(cpu)	(__io_address(REALVIEW_TWD_BASE) + \
+			 ((cpu) * REALVIEW_TWD_SIZE))
+
+static unsigned long mpcore_timer_rate;
+
+/*
+ * local_timer_ack: checks for a local timer interrupt.
+ *
+ * If a local timer interrupt has occured, acknowledge and return 1.
+ * Otherwise, return 0.
+ */
+int local_timer_ack(void)
+{
+	void __iomem *base = TWD_BASE(smp_processor_id());
+
+	if (__raw_readl(base + TWD_TIMER_INTSTAT)) {
+		__raw_writel(1, base + TWD_TIMER_INTSTAT);
+		return 1;
+	}
+
+	return 0;
+}
+
+void __cpuinit local_timer_setup(unsigned int cpu)
+{
+	void __iomem *base = TWD_BASE(cpu);
+	unsigned int load, offset;
+	u64 waitjiffies;
+	unsigned int count;
+
+	/*
+	 * If this is the first time round, we need to work out how fast
+	 * the timer ticks
+	 */
+	if (mpcore_timer_rate == 0) {
+		printk("Calibrating local timer... ");
+
+		/* Wait for a tick to start */
+		waitjiffies = get_jiffies_64() + 1;
+
+		while (get_jiffies_64() < waitjiffies)
+			udelay(10);
+
+		/* OK, now the tick has started, let's get the timer going */
+		waitjiffies += 5;
+
+				 /* enable, no interrupt or reload */
+		__raw_writel(0x1, base + TWD_TIMER_CONTROL);
+
+				 /* maximum value */
+		__raw_writel(0xFFFFFFFFU, base + TWD_TIMER_COUNTER);
+
+		while (get_jiffies_64() < waitjiffies)
+			udelay(10);
+
+		count = __raw_readl(base + TWD_TIMER_COUNTER);
+
+		mpcore_timer_rate = (0xFFFFFFFFU - count) * (HZ / 5);
+
+		printk("%lu.%02luMHz.\n", mpcore_timer_rate / 1000000,
+			(mpcore_timer_rate / 100000) % 100);
+	}
+
+	load = mpcore_timer_rate / HZ;
+
+	__raw_writel(load, base + TWD_TIMER_LOAD);
+	__raw_writel(0x7,  base + TWD_TIMER_CONTROL);
+
+	/*
+	 * Now maneuver our local tick into the right part of the jiffy.
+	 * Start by working out where within the tick our local timer
+	 * interrupt should go.
+	 */
+	offset = ((mpcore_timer_rate / HZ) / (NR_CPUS + 1)) * (cpu + 1);
+
+	/*
+	 * gettimeoffset() will return a number of us since the last tick.
+	 * Convert this number of us to a local timer tick count.
+	 * Be careful of integer overflow whilst keeping maximum precision.
+	 *
+	 * with HZ=100 and 1MHz (fpga) ~ 1GHz processor:
+	 * load = 1 ~ 10,000
+	 * mpcore_timer_rate/10000 = 100 ~ 100,000
+	 *
+	 * so the multiply value will be less than 10^9 always.
+	 */
+	load = (system_timer->offset() * (mpcore_timer_rate / 10000)) / 100;
+
+	/* Add on our offset to get the load value */
+	load = (load + offset) % (mpcore_timer_rate / HZ);
+
+	__raw_writel(load, base + TWD_TIMER_COUNTER);
+
+	/* Make sure our local interrupt controller has this enabled */
+	__raw_writel(1 << IRQ_LOCALTIMER,
+		     __io_address(REALVIEW_GIC_DIST_BASE) + GIC_DIST_ENABLE_SET);
+}
+
+/*
+ * take a local timer down
+ */
+void __cpuexit local_timer_stop(unsigned int cpu)
+{
+	__raw_writel(0, TWD_BASE(cpu) + TWD_TIMER_CONTROL);
+}
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
new file mode 100644
index 000000000000..0c7d4ac9a7b3
--- /dev/null
+++ b/arch/arm/mach-realview/platsmp.c
@@ -0,0 +1,200 @@
+/*
+ *  linux/arch/arm/mach-realview/platsmp.c
+ *
+ *  Copyright (C) 2002 ARM Ltd.
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/smp.h>
+
+#include <asm/cacheflush.h>
+#include <asm/hardware/arm_scu.h>
+#include <asm/hardware.h>
+
+#include "core.h"
+
+extern void realview_secondary_startup(void);
+
+/*
+ * control for which core is the next to come out of the secondary
+ * boot "holding pen"
+ */
+volatile int __cpuinitdata pen_release = -1;
+
+static unsigned int __init get_core_count(void)
+{
+	unsigned int ncores;
+
+	ncores = __raw_readl(__io_address(REALVIEW_MPCORE_SCU_BASE) + SCU_CONFIG);
+
+	return (ncores & 0x03) + 1;
+}
+
+static DEFINE_SPINLOCK(boot_lock);
+
+void __cpuinit platform_secondary_init(unsigned int cpu)
+{
+	/*
+	 * the primary core may have used a "cross call" soft interrupt
+	 * to get this processor out of WFI in the BootMonitor - make
+	 * sure that we are no longer being sent this soft interrupt
+	 */
+	smp_cross_call_done(cpumask_of_cpu(cpu));
+
+	/*
+	 * if any interrupts are already enabled for the primary
+	 * core (e.g. timer irq), then they will not have been enabled
+	 * for us: do so
+	 */
+	gic_cpu_init(__io_address(REALVIEW_GIC_CPU_BASE));
+
+	/*
+	 * let the primary processor know we're out of the
+	 * pen, then head off into the C entry point
+	 */
+	pen_release = -1;
+
+	/*
+	 * Synchronise with the boot thread.
+	 */
+	spin_lock(&boot_lock);
+	spin_unlock(&boot_lock);
+}
+
+int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+	unsigned long timeout;
+
+	/*
+	 * set synchronisation state between this boot processor
+	 * and the secondary one
+	 */
+	spin_lock(&boot_lock);
+
+	/*
+	 * The secondary processor is waiting to be released from
+	 * the holding pen - release it, then wait for it to flag
+	 * that it has been released by resetting pen_release.
+	 *
+	 * Note that "pen_release" is the hardware CPU ID, whereas
+	 * "cpu" is Linux's internal ID.
+	 */
+	pen_release = cpu;
+	flush_cache_all();
+
+	/*
+	 * XXX
+	 *
+	 * This is a later addition to the booting protocol: the
+	 * bootMonitor now puts secondary cores into WFI, so
+	 * poke_milo() no longer gets the cores moving; we need
+	 * to send a soft interrupt to wake the secondary core.
+	 * Use smp_cross_call() for this, since there's little
+	 * point duplicating the code here
+	 */
+	smp_cross_call(cpumask_of_cpu(cpu));
+
+	timeout = jiffies + (1 * HZ);
+	while (time_before(jiffies, timeout)) {
+		if (pen_release == -1)
+			break;
+
+		udelay(10);
+	}
+
+	/*
+	 * now the secondary core is starting up let it run its
+	 * calibrations, then wait for it to finish
+	 */
+	spin_unlock(&boot_lock);
+
+	return pen_release != -1 ? -ENOSYS : 0;
+}
+
+static void __init poke_milo(void)
+{
+	extern void secondary_startup(void);
+
+	/* nobody is to be released from the pen yet */
+	pen_release = -1;
+
+	/*
+	 * write the address of secondary startup into the system-wide
+	 * flags register, then clear the bottom two bits, which is what
+	 * BootMonitor is waiting for
+	 */
+#if 1
+#define REALVIEW_SYS_FLAGSS_OFFSET 0x30
+	__raw_writel(virt_to_phys(realview_secondary_startup),
+		     __io_address(REALVIEW_SYS_BASE) +
+		     REALVIEW_SYS_FLAGSS_OFFSET);
+#define REALVIEW_SYS_FLAGSC_OFFSET 0x34
+	__raw_writel(3,
+		     __io_address(REALVIEW_SYS_BASE) +
+		     REALVIEW_SYS_FLAGSC_OFFSET);
+#endif
+
+	mb();
+}
+
+void __init smp_prepare_cpus(unsigned int max_cpus)
+{
+	unsigned int ncores = get_core_count();
+	unsigned int cpu = smp_processor_id();
+	int i;
+
+	/* sanity check */
+	if (ncores == 0) {
+		printk(KERN_ERR
+		       "Realview: strange CM count of 0? Default to 1\n");
+
+		ncores = 1;
+	}
+
+	if (ncores > NR_CPUS) {
+		printk(KERN_WARNING
+		       "Realview: no. of cores (%d) greater than configured "
+		       "maximum of %d - clipping\n",
+		       ncores, NR_CPUS);
+		ncores = NR_CPUS;
+	}
+
+	smp_store_cpu_info(cpu);
+
+	/*
+	 * are we trying to boot more cores than exist?
+	 */
+	if (max_cpus > ncores)
+		max_cpus = ncores;
+
+	/*
+	 * Enable the local timer for primary CPU
+	 */
+	local_timer_setup(cpu);
+
+	/*
+	 * Initialise the possible/present maps.
+	 * cpu_possible_map describes the set of CPUs which may be present
+	 * cpu_present_map describes the set of CPUs populated
+	 */
+	for (i = 0; i < max_cpus; i++) {
+		cpu_set(i, cpu_possible_map);
+		cpu_set(i, cpu_present_map);
+	}
+
+	/*
+	 * Do we need any more CPUs? If so, then let them know where
+	 * to start. Note that, on modern versions of MILO, the "poke"
+	 * doesn't actually do anything until each individual core is
+	 * sent a soft interrupt to get it out of WFI
+	 */
+	if (max_cpus > 1)
+		poke_milo();
+}
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 267bb07e39b7..7dc32503fdf2 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -136,6 +136,11 @@ static struct amba_device *amba_devs[] __initdata = {
 
 static void __init gic_init_irq(void)
 {
+#ifdef CONFIG_REALVIEW_MPCORE
+	writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
+	writel(0x008003c0, __io_address(REALVIEW_SYS_BASE) + 0xd8);
+	writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
+#endif
 	gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE));
 	gic_cpu_init(__io_address(REALVIEW_GIC_CPU_BASE));
 }
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index c796bcdd6158..0b9d7ca49ec1 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -121,6 +121,14 @@ config S3C2410_BOOT_WATCHDOG
 	  system resets depends on the value of PCLK. The timeout on an
 	  200MHz s3c2410 should be about 30 seconds.
 
+config S3C2410_BOOT_ERROR_RESET
+	bool "S3C2410 Reboot on decompression error"
+	depends on ARCH_S3C2410
+	help
+	  Say y here to use the watchdog to reset the system if the
+	  kernel decompressor detects an error during decompression.
+
+
 comment "S3C2410 Setup"
 
 config S3C2410_DMA
diff --git a/arch/arm/mach-s3c2410/mach-anubis.c b/arch/arm/mach-s3c2410/mach-anubis.c
index 8390b685c2b6..0f81fc0c2f7f 100644
--- a/arch/arm/mach-s3c2410/mach-anubis.c
+++ b/arch/arm/mach-s3c2410/mach-anubis.c
@@ -56,8 +56,16 @@
 static struct map_desc anubis_iodesc[] __initdata = {
   /* ISA IO areas */
 
-  { (u32)S3C24XX_VA_ISA_BYTE, 0x0,	   SZ_16M, MT_DEVICE },
-  { (u32)S3C24XX_VA_ISA_WORD, 0x0,	   SZ_16M, MT_DEVICE },
+  {
+	.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
+	.pfn		= __phys_to_pfn(0x0),
+	.length		= SZ_4M,
+	.type		= MT_DEVICE
+  }, {
+	.virtual	= (u32)S3C24XX_VA_ISA_WORD,
+	.pfn		= __phys_to_pfn(0x0),
+	.length 	= SZ_4M, MT_DEVICE
+  },
 
   /* we could possibly compress the next set down into a set of smaller tables
    * pagetables, but that would mean using an L2 section, and it still means
@@ -66,16 +74,41 @@ static struct map_desc anubis_iodesc[] __initdata = {
 
   /* CPLD control registers */
 
-  { (u32)ANUBIS_VA_CTRL1,	ANUBIS_PA_CTRL1,	SZ_4K, MT_DEVICE },
-  { (u32)ANUBIS_VA_CTRL2,	ANUBIS_PA_CTRL2,	SZ_4K, MT_DEVICE },
+  {
+	.virtual	= (u32)ANUBIS_VA_CTRL1,
+	.pfn		= __phys_to_pfn(ANUBIS_PA_CTRL1),
+	.length		= SZ_4K,
+	.type		= MT_DEVICE
+  }, {
+	.virtual	= (u32)ANUBIS_VA_CTRL2,
+	.pfn		= __phys_to_pfn(ANUBIS_PA_CTRL2),
+	.length		= SZ_4K,
+	.type		=MT_DEVICE
+  },
 
   /* IDE drives */
 
-  { (u32)ANUBIS_IDEPRI,		S3C2410_CS3,		SZ_1M, MT_DEVICE },
-  { (u32)ANUBIS_IDEPRIAUX,	S3C2410_CS3+(1<<26),	SZ_1M, MT_DEVICE },
-
-  { (u32)ANUBIS_IDESEC,		S3C2410_CS4,		SZ_1M, MT_DEVICE },
-  { (u32)ANUBIS_IDESECAUX,	S3C2410_CS4+(1<<26),	SZ_1M, MT_DEVICE },
+  {
+	.virtual	= (u32)ANUBIS_IDEPRI,
+	.pfn		= __phys_to_pfn(S3C2410_CS3),
+	.length		= SZ_1M,
+	.type		= MT_DEVICE
+  }, {
+	.virtual	= (u32)ANUBIS_IDEPRIAUX,
+	.pfn		= __phys_to_pfn(S3C2410_CS3+(1<<26)),
+	.length		= SZ_1M,
+	.type		= MT_DEVICE
+  }, {
+	.virtual	= (u32)ANUBIS_IDESEC,
+	.pfn		= __phys_to_pfn(S3C2410_CS4),
+	.length		= SZ_1M,
+	.type		= MT_DEVICE
+  }, {
+	.virtual	= (u32)ANUBIS_IDESECAUX,
+	.pfn		= __phys_to_pfn(S3C2410_CS4+(1<<26)),
+	.length		= SZ_1M,
+	.type		= MT_DEVICE
+  },
 };
 
 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 0b71c896bbd1..1be2567a7486 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -89,32 +89,63 @@
 
 /* macros to modify the physical addresses for io space */
 
-#define PA_CS2(item) ((item) + S3C2410_CS2)
-#define PA_CS3(item) ((item) + S3C2410_CS3)
-#define PA_CS4(item) ((item) + S3C2410_CS4)
-#define PA_CS5(item) ((item) + S3C2410_CS5)
+#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
+#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
+#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
+#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
 
 static struct map_desc bast_iodesc[] __initdata = {
   /* ISA IO areas */
-
-  { (u32)S3C24XX_VA_ISA_BYTE, PA_CS2(BAST_PA_ISAIO),   SZ_16M, MT_DEVICE },
-  { (u32)S3C24XX_VA_ISA_WORD, PA_CS3(BAST_PA_ISAIO),   SZ_16M, MT_DEVICE },
-
-  /* we could possibly compress the next set down into a set of smaller tables
-   * pagetables, but that would mean using an L2 section, and it still means
-   * we cannot actually feed the same register to an LDR due to 16K spacing
-   */
-
+  {
+	  .virtual	= (u32)S3C24XX_VA_ISA_BYTE,
+	  .pfn		= PA_CS2(BAST_PA_ISAIO),
+	  .length	= SZ_16M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)S3C24XX_VA_ISA_WORD,
+	  .pfn		= PA_CS3(BAST_PA_ISAIO),
+	  .length	= SZ_16M,
+	  .type		= MT_DEVICE,
+  },
   /* bast CPLD control registers, and external interrupt controls */
-  { (u32)BAST_VA_CTRL1, BAST_PA_CTRL1,		   SZ_1M, MT_DEVICE },
-  { (u32)BAST_VA_CTRL2, BAST_PA_CTRL2,		   SZ_1M, MT_DEVICE },
-  { (u32)BAST_VA_CTRL3, BAST_PA_CTRL3,		   SZ_1M, MT_DEVICE },
-  { (u32)BAST_VA_CTRL4, BAST_PA_CTRL4,		   SZ_1M, MT_DEVICE },
-
+  {
+	  .virtual	= (u32)BAST_VA_CTRL1,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL1),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_CTRL2,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL2),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_CTRL3,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL3),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_CTRL4,
+	  .pfn		= __phys_to_pfn(BAST_PA_CTRL4),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  },
   /* PC104 IRQ mux */
-  { (u32)BAST_VA_PC104_IRQREQ,  BAST_PA_PC104_IRQREQ,   SZ_1M, MT_DEVICE },
-  { (u32)BAST_VA_PC104_IRQRAW,  BAST_PA_PC104_IRQRAW,   SZ_1M, MT_DEVICE },
-  { (u32)BAST_VA_PC104_IRQMASK, BAST_PA_PC104_IRQMASK,  SZ_1M, MT_DEVICE },
+  {
+	  .virtual	= (u32)BAST_VA_PC104_IRQREQ,
+	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQREQ),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_PC104_IRQRAW,
+	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQRAW),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)BAST_VA_PC104_IRQMASK,
+	  .pfn		= __phys_to_pfn(BAST_PA_PC104_IRQMASK),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  },
 
   /* peripheral space... one for each of fast/slow/byte/16bit */
   /* note, ide is only decoded in word space, even though some registers
diff --git a/arch/arm/mach-s3c2410/mach-rx3715.c b/arch/arm/mach-s3c2410/mach-rx3715.c
index 24d69019a843..f8d86d1e16b6 100644
--- a/arch/arm/mach-s3c2410/mach-rx3715.c
+++ b/arch/arm/mach-s3c2410/mach-rx3715.c
@@ -56,8 +56,17 @@
 static struct map_desc rx3715_iodesc[] __initdata = {
 	/* dump ISA space somewhere unused */
 
-	{ (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS3, SZ_16M, MT_DEVICE },
-	{ (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS3, SZ_16M, MT_DEVICE },
+	{
+		.virtual	= (u32)S3C24XX_VA_ISA_WORD,
+		.pfn		= __phys_to_pfn(S3C2410_CS3),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
+		.pfn		= __phys_to_pfn(S3C2410_CS3),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE,
+	},
 };
 
 
diff --git a/arch/arm/mach-s3c2410/mach-smdk2440.c b/arch/arm/mach-s3c2410/mach-smdk2440.c
index d666c621ad06..4e31118533e6 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2440.c
@@ -58,8 +58,27 @@
 static struct map_desc smdk2440_iodesc[] __initdata = {
 	/* ISA IO Space map (memory space selected by A24) */
 
-	{ (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS2, SZ_16M, MT_DEVICE },
-	{ (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS2, SZ_16M, MT_DEVICE },
+	{
+		.virtual	= (u32)S3C24XX_VA_ISA_WORD,
+		.pfn		= __phys_to_pfn(S3C2410_CS2),
+		.length		= 0x10000,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (u32)S3C24XX_VA_ISA_WORD + 0x10000,
+		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
+		.length		= SZ_4M,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
+		.pfn		= __phys_to_pfn(S3C2410_CS2),
+		.length		= 0x10000,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
+		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
+		.length		= SZ_4M,
+		.type		= MT_DEVICE,
+	}
 };
 
 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index 46b259673c18..ae7e099bf6c8 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -74,27 +74,47 @@
 
 /* macros to modify the physical addresses for io space */
 
-#define PA_CS2(item) ((item) + S3C2410_CS2)
-#define PA_CS3(item) ((item) + S3C2410_CS3)
-#define PA_CS4(item) ((item) + S3C2410_CS4)
-#define PA_CS5(item) ((item) + S3C2410_CS5)
+#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
+#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
+#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
+#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
 
 static struct map_desc vr1000_iodesc[] __initdata = {
   /* ISA IO areas */
-
-  { (u32)S3C24XX_VA_ISA_BYTE, PA_CS2(BAST_PA_ISAIO),	   SZ_16M, MT_DEVICE },
-  { (u32)S3C24XX_VA_ISA_WORD, PA_CS3(BAST_PA_ISAIO),	   SZ_16M, MT_DEVICE },
-
-  /* we could possibly compress the next set down into a set of smaller tables
-   * pagetables, but that would mean using an L2 section, and it still means
-   * we cannot actually feed the same register to an LDR due to 16K spacing
-   */
-
-  /* bast CPLD control registers, and external interrupt controls */
-  { (u32)VR1000_VA_CTRL1, VR1000_PA_CTRL1,	       SZ_1M, MT_DEVICE },
-  { (u32)VR1000_VA_CTRL2, VR1000_PA_CTRL2,	       SZ_1M, MT_DEVICE },
-  { (u32)VR1000_VA_CTRL3, VR1000_PA_CTRL3,	       SZ_1M, MT_DEVICE },
-  { (u32)VR1000_VA_CTRL4, VR1000_PA_CTRL4,	       SZ_1M, MT_DEVICE },
+  {
+	  .virtual	= (u32)S3C24XX_VA_ISA_BYTE,
+	  .pfn		= PA_CS2(BAST_PA_ISAIO),
+	  .length	= SZ_16M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)S3C24XX_VA_ISA_WORD,
+	  .pfn		= PA_CS3(BAST_PA_ISAIO),
+	  .length	= SZ_16M,
+	  .type		= MT_DEVICE,
+  },
+
+  /*  CPLD control registers, and external interrupt controls */
+  {
+	  .virtual	= (u32)VR1000_VA_CTRL1,
+	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL1),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)VR1000_VA_CTRL2,
+	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL2),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)VR1000_VA_CTRL3,
+	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL3),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)VR1000_VA_CTRL4,
+	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL4),
+	  .length	= SZ_1M,
+	  .type		= MT_DEVICE,
+  },
 
   /* peripheral space... one for each of fast/slow/byte/16bit */
   /* note, ide is only decoded in word space, even though some registers
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 47e0420623fc..e4b435e634e4 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -124,11 +124,13 @@ static void __init sa1100_timer_init(void)
 	tv.tv_sec = sa1100_get_rtc_time();
 	do_settimeofday(&tv);
 
-	OSMR0 = 0;		/* set initial match at 0 */
+	OIER = 0;		/* disable any timer interrupts */
+	OSCR = LATCH*2;		/* push OSCR out of the way */
+	OSMR0 = LATCH;		/* set initial match */
 	OSSR = 0xf;		/* clear status on all timers */
 	setup_irq(IRQ_OST0, &sa1100_timer_irq);
-	OIER |= OIER_E0;	/* enable match on timer 0 to cause interrupts */
-	OSCR = 0;		/* initialize free-running timer, force first match */
+	OIER = OIER_E0;		/* enable match on timer 0 to cause interrupts */
+	OSCR = 0;		/* initialize free-running timer */
 }
 
 #ifdef CONFIG_NO_IDLE_HZ
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c
index fb5b40289de2..9e50127be635 100644
--- a/arch/arm/mm/mm-armv.c
+++ b/arch/arm/mm/mm-armv.c
@@ -354,7 +354,7 @@ void __init build_mem_type_table(void)
 {
 	struct cachepolicy *cp;
 	unsigned int cr = get_cr();
-	unsigned int user_pgprot;
+	unsigned int user_pgprot, kern_pgprot;
 	int cpu_arch = cpu_architecture();
 	int i;
 
@@ -381,7 +381,7 @@ void __init build_mem_type_table(void)
 	}
 
 	cp = &cache_policies[cachepolicy];
-	user_pgprot = cp->pte;
+	kern_pgprot = user_pgprot = cp->pte;
 
 	/*
 	 * ARMv6 and above have extended page tables.
@@ -393,6 +393,7 @@ void __init build_mem_type_table(void)
 		 */
 		mem_types[MT_MEMORY].prot_sect &= ~PMD_BIT4;
 		mem_types[MT_ROM].prot_sect &= ~PMD_BIT4;
+
 		/*
 		 * Mark cache clean areas and XIP ROM read only
 		 * from SVC mode and no access from userspace.
@@ -412,32 +413,47 @@ void __init build_mem_type_table(void)
 		 * (iow, non-global)
 		 */
 		user_pgprot |= L_PTE_ASID;
+
+#ifdef CONFIG_SMP
+		/*
+		 * Mark memory with the "shared" attribute for SMP systems
+		 */
+		user_pgprot |= L_PTE_SHARED;
+		kern_pgprot |= L_PTE_SHARED;
+		mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S;
+#endif
 	}
 
+	for (i = 0; i < 16; i++) {
+		unsigned long v = pgprot_val(protection_map[i]);
+		v = (v & ~(L_PTE_BUFFERABLE|L_PTE_CACHEABLE)) | user_pgprot;
+		protection_map[i] = __pgprot(v);
+	}
+
+	mem_types[MT_LOW_VECTORS].prot_pte |= kern_pgprot;
+	mem_types[MT_HIGH_VECTORS].prot_pte |= kern_pgprot;
+
 	if (cpu_arch >= CPU_ARCH_ARMv5) {
-		mem_types[MT_LOW_VECTORS].prot_pte |= cp->pte & PTE_CACHEABLE;
-		mem_types[MT_HIGH_VECTORS].prot_pte |= cp->pte & PTE_CACHEABLE;
+#ifndef CONFIG_SMP
+		/*
+		 * Only use write-through for non-SMP systems
+		 */
+		mem_types[MT_LOW_VECTORS].prot_pte &= ~L_PTE_BUFFERABLE;
+		mem_types[MT_HIGH_VECTORS].prot_pte &= ~L_PTE_BUFFERABLE;
+#endif
 	} else {
-		mem_types[MT_LOW_VECTORS].prot_pte |= cp->pte;
-		mem_types[MT_HIGH_VECTORS].prot_pte |= cp->pte;
 		mem_types[MT_MINICLEAN].prot_sect &= ~PMD_SECT_TEX(1);
 	}
 
+	pgprot_kernel = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG |
+				 L_PTE_DIRTY | L_PTE_WRITE |
+				 L_PTE_EXEC | kern_pgprot);
+
 	mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask;
 	mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask;
 	mem_types[MT_MEMORY].prot_sect |= ecc_mask | cp->pmd;
 	mem_types[MT_ROM].prot_sect |= cp->pmd;
 
-	for (i = 0; i < 16; i++) {
-		unsigned long v = pgprot_val(protection_map[i]);
-		v = (v & ~(PTE_BUFFERABLE|PTE_CACHEABLE)) | user_pgprot;
-		protection_map[i] = __pgprot(v);
-	}
-
-	pgprot_kernel = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG |
-				 L_PTE_DIRTY | L_PTE_WRITE |
-				 L_PTE_EXEC | cp->pte);
-
 	switch (cp->pmd) {
 	case PMD_SECT_WT:
 		mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WT;
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 9bb5fff406fb..92f3ca31b7b9 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -12,6 +12,7 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
+#include <asm/hardware/arm_scu.h>
 #include <asm/procinfo.h>
 #include <asm/pgtable.h>
 
@@ -112,6 +113,9 @@ ENTRY(cpu_v6_dcache_clean_area)
 ENTRY(cpu_v6_switch_mm)
 	mov	r2, #0
 	ldr	r1, [r1, #MM_CONTEXT_ID]	@ get mm->context.id
+#ifdef CONFIG_SMP
+	orr	r0, r0, #2			@ set shared pgtable
+#endif
 	mcr	p15, 0, r2, c7, c5, 6		@ flush BTAC/BTB
 	mcr	p15, 0, r2, c7, c10, 4		@ drain write buffer
 	mcr	p15, 0, r0, c2, c0, 0		@ set TTB 0
@@ -140,7 +144,7 @@ ENTRY(cpu_v6_switch_mm)
 ENTRY(cpu_v6_set_pte)
 	str	r1, [r0], #-2048		@ linux version
 
-	bic	r2, r1, #0x000007f0
+	bic	r2, r1, #0x000003f0
 	bic	r2, r2, #0x00000003
 	orr	r2, r2, #PTE_EXT_AP0 | 2
 
@@ -191,6 +195,23 @@ cpu_v6_name:
  *	- cache type register is implemented
  */
 __v6_setup:
+#ifdef CONFIG_SMP
+	/* Set up the SCU on core 0 only */
+	mrc	p15, 0, r0, c0, c0, 5		@ CPU core number
+	ands	r0, r0, #15
+	moveq	r0, #0x10000000 @ SCU_BASE
+	orreq	r0, r0, #0x00100000
+	ldreq	r5, [r0, #SCU_CTRL]
+	orreq	r5, r5, #1
+	streq	r5, [r0, #SCU_CTRL]
+
+#ifndef CONFIG_CPU_DCACHE_DISABLE
+	mrc	p15, 0, r0, c1, c0, 1		@ Enable SMP/nAMP mode
+	orr	r0, r0, #0x20
+	mcr	p15, 0, r0, c1, c0, 1
+#endif
+#endif
+
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c14, 0		@ clean+invalidate D cache
 	mcr	p15, 0, r0, c7, c5, 0		@ invalidate I cache
@@ -198,6 +219,9 @@ __v6_setup:
 	mcr	p15, 0, r0, c7, c10, 4		@ drain write buffer
 	mcr	p15, 0, r0, c8, c7, 0		@ invalidate I + D TLBs
 	mcr	p15, 0, r0, c2, c0, 2		@ TTB control register
+#ifdef CONFIG_SMP
+	orr	r4, r4, #2			@ set shared pgtable
+#endif
 	mcr	p15, 0, r4, c2, c0, 1		@ load TTB1
 #ifdef CONFIG_VFP
 	mrc	p15, 0, r0, c1, c0, 2
diff --git a/arch/arm/nwfpe/fpa11.h b/arch/arm/nwfpe/fpa11.h
index 9677ae8448e8..da4c616b6c49 100644
--- a/arch/arm/nwfpe/fpa11.h
+++ b/arch/arm/nwfpe/fpa11.h
@@ -60,7 +60,7 @@ typedef union tagFPREG {
 #ifdef CONFIG_FPE_NWFPE_XP
 	floatx80 fExtended;
 #else
-	int padding[3];
+	u32 padding[3];
 #endif
 } FPREG;
 
diff --git a/arch/arm/nwfpe/fpa11_cpdt.c b/arch/arm/nwfpe/fpa11_cpdt.c
index b0db5cbcc3b1..32859fa8dcfc 100644
--- a/arch/arm/nwfpe/fpa11_cpdt.c
+++ b/arch/arm/nwfpe/fpa11_cpdt.c
@@ -59,8 +59,13 @@ static inline void loadExtended(const unsigned int Fn, const unsigned int __user
 	p = (unsigned int *) &fpa11->fpreg[Fn].fExtended;
 	fpa11->fType[Fn] = typeExtended;
 	get_user(p[0], &pMem[0]);	/* sign & exponent */
+#ifdef __ARMEB__
+	get_user(p[1], &pMem[1]);	/* ms bits */
+	get_user(p[2], &pMem[2]);	/* ls bits */
+#else
 	get_user(p[1], &pMem[2]);	/* ls bits */
 	get_user(p[2], &pMem[1]);	/* ms bits */
+#endif
 }
 #endif
 
@@ -177,8 +182,13 @@ static inline void storeExtended(const unsigned int Fn, unsigned int __user *pMe
 	}
 
 	put_user(val.i[0], &pMem[0]);	/* sign & exp */
+#ifdef __ARMEB__
+	put_user(val.i[1], &pMem[1]);	/* msw */
+	put_user(val.i[2], &pMem[2]);
+#else
 	put_user(val.i[1], &pMem[2]);
 	put_user(val.i[2], &pMem[1]);	/* msw */
+#endif
 }
 #endif
 
diff --git a/arch/arm/nwfpe/fpopcode.c b/arch/arm/nwfpe/fpopcode.c
index 4c9f5703148c..67ff2ab08ea0 100644
--- a/arch/arm/nwfpe/fpopcode.c
+++ b/arch/arm/nwfpe/fpopcode.c
@@ -29,14 +29,14 @@
 
 #ifdef CONFIG_FPE_NWFPE_XP
 const floatx80 floatx80Constant[] = {
-	{0x0000, 0x0000000000000000ULL},	/* extended 0.0 */
-	{0x3fff, 0x8000000000000000ULL},	/* extended 1.0 */
-	{0x4000, 0x8000000000000000ULL},	/* extended 2.0 */
-	{0x4000, 0xc000000000000000ULL},	/* extended 3.0 */
-	{0x4001, 0x8000000000000000ULL},	/* extended 4.0 */
-	{0x4001, 0xa000000000000000ULL},	/* extended 5.0 */
-	{0x3ffe, 0x8000000000000000ULL},	/* extended 0.5 */
-	{0x4002, 0xa000000000000000ULL}		/* extended 10.0 */
+	{ .high = 0x0000, .low = 0x0000000000000000ULL},/* extended 0.0 */
+	{ .high = 0x3fff, .low = 0x8000000000000000ULL},/* extended 1.0 */
+	{ .high = 0x4000, .low = 0x8000000000000000ULL},/* extended 2.0 */
+	{ .high = 0x4000, .low = 0xc000000000000000ULL},/* extended 3.0 */
+	{ .high = 0x4001, .low = 0x8000000000000000ULL},/* extended 4.0 */
+	{ .high = 0x4001, .low = 0xa000000000000000ULL},/* extended 5.0 */
+	{ .high = 0x3ffe, .low = 0x8000000000000000ULL},/* extended 0.5 */
+	{ .high = 0x4002, .low = 0xa000000000000000ULL},/* extended 10.0 */
 };
 #endif
 
diff --git a/arch/arm/nwfpe/softfloat-specialize b/arch/arm/nwfpe/softfloat-specialize
index acf409144763..d4a4c8e06635 100644
--- a/arch/arm/nwfpe/softfloat-specialize
+++ b/arch/arm/nwfpe/softfloat-specialize
@@ -332,6 +332,7 @@ static floatx80 commonNaNToFloatx80( commonNaNT a )
 
     z.low = LIT64( 0xC000000000000000 ) | ( a.high>>1 );
     z.high = ( ( (bits16) a.sign )<<15 ) | 0x7FFF;
+    z.__padding = 0;
     return z;
 
 }
diff --git a/arch/arm/nwfpe/softfloat.c b/arch/arm/nwfpe/softfloat.c
index f9f049132a17..0f9656e482ba 100644
--- a/arch/arm/nwfpe/softfloat.c
+++ b/arch/arm/nwfpe/softfloat.c
@@ -531,6 +531,7 @@ INLINE floatx80 packFloatx80( flag zSign, int32 zExp, bits64 zSig )
 
     z.low = zSig;
     z.high = ( ( (bits16) zSign )<<15 ) + zExp;
+    z.__padding = 0;
     return z;
 
 }
@@ -2831,6 +2832,7 @@ static floatx80 subFloatx80Sigs( struct roundingData *roundData, floatx80 a, flo
         roundData->exception |= float_flag_invalid;
         z.low = floatx80_default_nan_low;
         z.high = floatx80_default_nan_high;
+        z.__padding = 0;
         return z;
     }
     if ( aExp == 0 ) {
@@ -2950,6 +2952,7 @@ floatx80 floatx80_mul( struct roundingData *roundData, floatx80 a, floatx80 b )
             roundData->exception |= float_flag_invalid;
             z.low = floatx80_default_nan_low;
             z.high = floatx80_default_nan_high;
+            z.__padding = 0;
             return z;
         }
         return packFloatx80( zSign, 0x7FFF, LIT64( 0x8000000000000000 ) );
@@ -3015,6 +3018,7 @@ floatx80 floatx80_div( struct roundingData *roundData, floatx80 a, floatx80 b )
                 roundData->exception |= float_flag_invalid;
                 z.low = floatx80_default_nan_low;
                 z.high = floatx80_default_nan_high;
+                z.__padding = 0;
                 return z;
             }
             roundData->exception |= float_flag_divbyzero;
@@ -3093,6 +3097,7 @@ floatx80 floatx80_rem( struct roundingData *roundData, floatx80 a, floatx80 b )
             roundData->exception |= float_flag_invalid;
             z.low = floatx80_default_nan_low;
             z.high = floatx80_default_nan_high;
+            z.__padding = 0;
             return z;
         }
         normalizeFloatx80Subnormal( bSig, &bExp, &bSig );
@@ -3184,6 +3189,7 @@ floatx80 floatx80_sqrt( struct roundingData *roundData, floatx80 a )
         roundData->exception |= float_flag_invalid;
         z.low = floatx80_default_nan_low;
         z.high = floatx80_default_nan_high;
+        z.__padding = 0;
         return z;
     }
     if ( aExp == 0 ) {
diff --git a/arch/arm/nwfpe/softfloat.h b/arch/arm/nwfpe/softfloat.h
index 14151700b6b2..978c699673c6 100644
--- a/arch/arm/nwfpe/softfloat.h
+++ b/arch/arm/nwfpe/softfloat.h
@@ -51,11 +51,17 @@ input or output the `floatx80' type will be defined.
 Software IEC/IEEE floating-point types.
 -------------------------------------------------------------------------------
 */
-typedef unsigned long int float32;
-typedef unsigned long long float64;
+typedef u32 float32;
+typedef u64 float64;
 typedef struct {
-    unsigned short high;
-    unsigned long long low;
+#ifdef __ARMEB__
+    u16 __padding;
+    u16 high;
+#else
+    u16 high;
+    u16 __padding;
+#endif
+    u64 low;
 } floatx80;
 
 /*
diff --git a/arch/arm/plat-omap/ocpi.c b/arch/arm/plat-omap/ocpi.c
index 1fb16f9edfd5..2ede2ee8cae4 100644
--- a/arch/arm/plat-omap/ocpi.c
+++ b/arch/arm/plat-omap/ocpi.c
@@ -25,7 +25,6 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
diff --git a/arch/arm26/kernel/process.c b/arch/arm26/kernel/process.c
index 9eb9964d32a7..15833a0057dd 100644
--- a/arch/arm26/kernel/process.c
+++ b/arch/arm26/kernel/process.c
@@ -74,15 +74,13 @@ __setup("hlt", hlt_setup);
 void cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
-	preempt_disable();
 	while (1) {
-		while (!need_resched()) {
-			local_irq_disable();
-			if (!need_resched() && !hlt_counter)
-				local_irq_enable();
-		}
+		while (!need_resched())
+			cpu_relax();
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
 	}
-	schedule();
 }
 
 static char reboot_mode = 'h';
diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c
index 201f4c90d961..f2c55742e90c 100644
--- a/arch/cris/arch-v10/drivers/pcf8563.c
+++ b/arch/cris/arch-v10/drivers/pcf8563.c
@@ -19,7 +19,6 @@
  */
 
 #include <linux/config.h>
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
diff --git a/arch/cris/arch-v10/kernel/fasttimer.c b/arch/cris/arch-v10/kernel/fasttimer.c
index 094ff45ae85b..cac05a5e514c 100644
--- a/arch/cris/arch-v10/kernel/fasttimer.c
+++ b/arch/cris/arch-v10/kernel/fasttimer.c
@@ -112,7 +112,6 @@
 #include <asm/rtc.h>
 
 #include <linux/config.h>
-#include <linux/version.h>
 
 #include <asm/arch/svinto.h>
 #include <asm/fasttimer.h>
diff --git a/arch/cris/arch-v32/drivers/nandflash.c b/arch/cris/arch-v32/drivers/nandflash.c
index fc2a619b035d..93ddea4d9564 100644
--- a/arch/cris/arch-v32/drivers/nandflash.c
+++ b/arch/cris/arch-v32/drivers/nandflash.c
@@ -14,7 +14,6 @@
  *
  */
 
-#include <linux/version.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/module.h>
diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c
index f894580b648b..d788bda3578c 100644
--- a/arch/cris/arch-v32/drivers/pcf8563.c
+++ b/arch/cris/arch-v32/drivers/pcf8563.c
@@ -18,7 +18,6 @@
  */
 
 #include <linux/config.h>
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index 957f551ba5ce..13867f4fad16 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -161,6 +161,7 @@ void __init smp_callin(void)
 	REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask);
 	unmask_irq(IPI_INTR_VECT);
 	unmask_irq(TIMER_INTR_VECT);
+	preempt_disable();
 	local_irq_enable();
 
 	cpu_set(cpu, cpu_online_map);
diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index 949a0e40e03c..7c80afb10460 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -218,7 +218,9 @@ void cpu_idle (void)
 				idle = default_idle;
 			idle();
 		}
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 3001b82b1514..54a452136f00 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -77,16 +77,20 @@ void (*idle)(void) = core_sleep_idle;
  */
 void cpu_idle(void)
 {
+	int cpu = smp_processor_id();
+
 	/* endless idle loop with no priority at all */
 	while (1) {
 		while (!need_resched()) {
-			irq_stat[smp_processor_id()].idle_timestamp = jiffies;
+			irq_stat[cpu].idle_timestamp = jiffies;
 
 			if (!frv_dma_inprogress && idle)
 				idle();
 		}
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index 27f1fce64ce4..fe21adf3e75e 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -53,22 +53,18 @@ asmlinkage void ret_from_fork(void);
 #if !defined(CONFIG_H8300H_SIM) && !defined(CONFIG_H8S_SIM)
 void default_idle(void)
 {
-	while(1) {
-		if (!need_resched()) {
-			local_irq_enable();
-			__asm__("sleep");
-			local_irq_disable();
-		}
-		schedule();
-	}
+	local_irq_disable();
+	if (!need_resched()) {
+		local_irq_enable();
+		/* XXX: race here! What if need_resched() gets set now? */
+		__asm__("sleep");
+	} else
+		local_irq_enable();
 }
 #else
 void default_idle(void)
 {
-	while(1) {
-		if (need_resched())
-			schedule();
-	}
+	cpu_relax();
 }
 #endif
 void (*idle)(void) = default_idle;
@@ -81,7 +77,13 @@ void (*idle)(void) = default_idle;
  */
 void cpu_idle(void)
 {
-	idle();
+	while (1) {
+		while (!need_resched())
+			idle();
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+	}
 }
 
 void machine_restart(char * __unused)
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 86e80c551478..003548b8735f 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -769,8 +769,26 @@ static int set_system_power_state(u_short state)
 static int apm_do_idle(void)
 {
 	u32	eax;
+	u8	ret = 0;
+	int	idled = 0;
+	int	polling;
+
+	polling = test_thread_flag(TIF_POLLING_NRFLAG);
+	if (polling) {
+		clear_thread_flag(TIF_POLLING_NRFLAG);
+		smp_mb__after_clear_bit();
+	}
+	if (!need_resched()) {
+		idled = 1;
+		ret = apm_bios_call_simple(APM_FUNC_IDLE, 0, 0, &eax);
+	}
+	if (polling)
+		set_thread_flag(TIF_POLLING_NRFLAG);
+
+	if (!idled)
+		return 0;
 
-	if (apm_bios_call_simple(APM_FUNC_IDLE, 0, 0, &eax)) {
+	if (ret) {
 		static unsigned long t;
 
 		/* This always fails on some SMP boards running UP kernels.
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index caa9f7711343..871366b83b3f 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -377,10 +377,9 @@ acpi_cpufreq_cpu_init (
         arg0.buffer.length = 12;
         arg0.buffer.pointer = (u8 *) arg0_buf;
 
-	data = kmalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
+	data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
 	if (!data)
 		return (-ENOMEM);
-	memset(data, 0, sizeof(struct cpufreq_acpi_io));
 
 	acpi_io_data[cpu] = data;
 
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
index 73a5dc5b26b8..edcd626001da 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
@@ -171,10 +171,9 @@ static int get_ranges (unsigned char *pst)
 	unsigned int speed;
 	u8 fid, vid;
 
-	powernow_table = kmalloc((sizeof(struct cpufreq_frequency_table) * (number_scales + 1)), GFP_KERNEL);
+	powernow_table = kzalloc((sizeof(struct cpufreq_frequency_table) * (number_scales + 1)), GFP_KERNEL);
 	if (!powernow_table)
 		return -ENOMEM;
-	memset(powernow_table, 0, (sizeof(struct cpufreq_frequency_table) * (number_scales + 1)));
 
 	for (j=0 ; j < number_scales; j++) {
 		fid = *pst++;
@@ -305,16 +304,13 @@ static int powernow_acpi_init(void)
 		goto err0;
 	}
 
-	acpi_processor_perf = kmalloc(sizeof(struct acpi_processor_performance),
+	acpi_processor_perf = kzalloc(sizeof(struct acpi_processor_performance),
 				      GFP_KERNEL);
-
 	if (!acpi_processor_perf) {
 		retval = -ENOMEM;
 		goto err0;
 	}
 
-	memset(acpi_processor_perf, 0, sizeof(struct acpi_processor_performance));
-
 	if (acpi_processor_register_performance(acpi_processor_perf, 0)) {
 		retval = -EIO;
 		goto err1;
@@ -337,14 +333,12 @@ static int powernow_acpi_init(void)
 		goto err2;
 	}
 
-	powernow_table = kmalloc((number_scales + 1) * (sizeof(struct cpufreq_frequency_table)), GFP_KERNEL);
+	powernow_table = kzalloc((number_scales + 1) * (sizeof(struct cpufreq_frequency_table)), GFP_KERNEL);
 	if (!powernow_table) {
 		retval = -ENOMEM;
 		goto err2;
 	}
 
-	memset(powernow_table, 0, ((number_scales + 1) * sizeof(struct cpufreq_frequency_table)));
-
 	pc.val = (unsigned long) acpi_processor_perf->states[0].control;
 	for (i = 0; i < number_scales; i++) {
 		u8 fid, vid;
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index 2d5c9adba0cd..68a1fc87f4ca 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -462,7 +462,6 @@ static int check_supported_cpu(unsigned int cpu)
 
 	oldmask = current->cpus_allowed;
 	set_cpus_allowed(current, cpumask_of_cpu(cpu));
-	schedule();
 
 	if (smp_processor_id() != cpu) {
 		printk(KERN_ERR "limiting to cpu %u failed\n", cpu);
@@ -497,9 +496,7 @@ static int check_supported_cpu(unsigned int cpu)
 
 out:
 	set_cpus_allowed(current, oldmask);
-	schedule();
 	return rc;
-
 }
 
 static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, u8 maxvid)
@@ -913,7 +910,6 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
 	/* only run on specific CPU from here on */
 	oldmask = current->cpus_allowed;
 	set_cpus_allowed(current, cpumask_of_cpu(pol->cpu));
-	schedule();
 
 	if (smp_processor_id() != pol->cpu) {
 		printk(KERN_ERR "limiting to cpu %u failed\n", pol->cpu);
@@ -968,8 +964,6 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
 
 err_out:
 	set_cpus_allowed(current, oldmask);
-	schedule();
-
 	return ret;
 }
 
@@ -991,12 +985,11 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
 	if (!check_supported_cpu(pol->cpu))
 		return -ENODEV;
 
-	data = kmalloc(sizeof(struct powernow_k8_data), GFP_KERNEL);
+	data = kzalloc(sizeof(struct powernow_k8_data), GFP_KERNEL);
 	if (!data) {
 		printk(KERN_ERR PFX "unable to alloc powernow_k8_data");
 		return -ENOMEM;
 	}
-	memset(data,0,sizeof(struct powernow_k8_data));
 
 	data->cpu = pol->cpu;
 
@@ -1026,7 +1019,6 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
 	/* only run on specific CPU from here on */
 	oldmask = current->cpus_allowed;
 	set_cpus_allowed(current, cpumask_of_cpu(pol->cpu));
-	schedule();
 
 	if (smp_processor_id() != pol->cpu) {
 		printk(KERN_ERR "limiting to cpu %u failed\n", pol->cpu);
@@ -1045,7 +1037,6 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
 
 	/* run on any CPU again */
 	set_cpus_allowed(current, oldmask);
-	schedule();
 
 	pol->governor = CPUFREQ_DEFAULT_GOVERNOR;
 	pol->cpus = cpu_core_map[pol->cpu];
@@ -1080,7 +1071,6 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
 
 err_out:
 	set_cpus_allowed(current, oldmask);
-	schedule();
 	powernow_k8_cpu_exit_acpi(data);
 
 	kfree(data);
@@ -1116,17 +1106,14 @@ static unsigned int powernowk8_get (unsigned int cpu)
 		set_cpus_allowed(current, oldmask);
 		return 0;
 	}
-	preempt_disable();
-	
+
 	if (query_current_values_with_pending_wait(data))
 		goto out;
 
 	khz = find_khz_freq_from_fid(data->currfid);
 
- out:
-	preempt_enable_no_resched();
+out:
 	set_cpus_allowed(current, oldmask);
-
 	return khz;
 }
 
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index 0ea010a7afb1..edb9873e27e3 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -423,12 +423,11 @@ static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
 		}
 	}
 
-	centrino_model[cpu] = kmalloc(sizeof(struct cpu_model), GFP_KERNEL);
+	centrino_model[cpu] = kzalloc(sizeof(struct cpu_model), GFP_KERNEL);
 	if (!centrino_model[cpu]) {
 		result = -ENOMEM;
 		goto err_unreg;
 	}
-	memset(centrino_model[cpu], 0, sizeof(struct cpu_model));
 
 	centrino_model[cpu]->model_name=NULL;
 	centrino_model[cpu]->max_freq = p.states[0].core_frequency * 1000;
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 7a14fdfd3af9..1cb261f225d5 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -99,14 +99,22 @@ EXPORT_SYMBOL(enable_hlt);
  */
 void default_idle(void)
 {
+	local_irq_enable();
+
 	if (!hlt_counter && boot_cpu_data.hlt_works_ok) {
-		local_irq_disable();
-		if (!need_resched())
-			safe_halt();
-		else
-			local_irq_enable();
+		clear_thread_flag(TIF_POLLING_NRFLAG);
+		smp_mb__after_clear_bit();
+		while (!need_resched()) {
+			local_irq_disable();
+			if (!need_resched())
+				safe_halt();
+			else
+				local_irq_enable();
+		}
+		set_thread_flag(TIF_POLLING_NRFLAG);
 	} else {
-		cpu_relax();
+		while (!need_resched())
+			cpu_relax();
 	}
 }
 #ifdef CONFIG_APM_MODULE
@@ -120,29 +128,14 @@ EXPORT_SYMBOL(default_idle);
  */
 static void poll_idle (void)
 {
-	int oldval;
-
 	local_irq_enable();
 
-	/*
-	 * Deal with another CPU just having chosen a thread to
-	 * run here:
-	 */
-	oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
-
-	if (!oldval) {
-		set_thread_flag(TIF_POLLING_NRFLAG);
-		asm volatile(
-			"2:"
-			"testl %0, %1;"
-			"rep; nop;"
-			"je 2b;"
-			: : "i"(_TIF_NEED_RESCHED), "m" (current_thread_info()->flags));
-
-		clear_thread_flag(TIF_POLLING_NRFLAG);
-	} else {
-		set_need_resched();
-	}
+	asm volatile(
+		"2:"
+		"testl %0, %1;"
+		"rep; nop;"
+		"je 2b;"
+		: : "i"(_TIF_NEED_RESCHED), "m" (current_thread_info()->flags));
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -179,7 +172,9 @@ static inline void play_dead(void)
  */
 void cpu_idle(void)
 {
-	int cpu = raw_smp_processor_id();
+	int cpu = smp_processor_id();
+
+	set_thread_flag(TIF_POLLING_NRFLAG);
 
 	/* endless idle loop with no priority at all */
 	while (1) {
@@ -201,7 +196,9 @@ void cpu_idle(void)
 			__get_cpu_var(irq_stat).idle_timestamp = jiffies;
 			idle();
 		}
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
@@ -244,15 +241,12 @@ static void mwait_idle(void)
 {
 	local_irq_enable();
 
-	if (!need_resched()) {
-		set_thread_flag(TIF_POLLING_NRFLAG);
-		do {
-			__monitor((void *)&current_thread_info()->flags, 0, 0);
-			if (need_resched())
-				break;
-			__mwait(0, 0);
-		} while (!need_resched());
-		clear_thread_flag(TIF_POLLING_NRFLAG);
+	while (!need_resched()) {
+		__monitor((void *)&current_thread_info()->flags, 0, 0);
+		smp_mb();
+		if (need_resched())
+			break;
+		__mwait(0, 0);
 	}
 }
 
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index b48ac635f3c1..fdfcb0cba9b4 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -129,9 +129,7 @@ struct drive_info_struct { char dummy[32]; } drive_info;
 EXPORT_SYMBOL(drive_info);
 #endif
 struct screen_info screen_info;
-#ifdef CONFIG_VT
 EXPORT_SYMBOL(screen_info);
-#endif
 struct apm_info apm_info;
 EXPORT_SYMBOL(apm_info);
 struct sys_desc_table_struct {
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 47ec76794d02..bc5a9d97466b 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -485,6 +485,7 @@ static void __devinit start_secondary(void *unused)
 	 * things done here to the most necessary things.
 	 */
 	cpu_init();
+	preempt_disable();
 	smp_callin();
 	while (!cpu_isset(smp_processor_id(), smp_commenced_mask))
 		rep_nop();
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9f2093c1f44b..d4de8a4814be 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -191,6 +191,7 @@ config IOSAPIC
 
 config IA64_SGI_SN_XP
 	tristate "Support communication between SGI SSIs"
+	depends on IA64_GENERIC || IA64_SGI_SN2
 	select IA64_UNCACHED_ALLOCATOR
 	help
 	  An SGI machine can be divided into multiple Single System
diff --git a/arch/ia64/ia32/ia32_ioctl.c b/arch/ia64/ia32/ia32_ioctl.c
index 164b211f4174..88739394f6df 100644
--- a/arch/ia64/ia32/ia32_ioctl.c
+++ b/arch/ia64/ia32/ia32_ioctl.c
@@ -29,10 +29,8 @@
 #define CODE
 #include "compat_ioctl.c"
 
-typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, struct file *);
-
 #define COMPATIBLE_IOCTL(cmd)		HANDLE_IOCTL((cmd),sys_ioctl)
-#define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl32_handler_t)(handler), NULL },
+#define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl_trans_handler_t)(handler), NULL },
 #define IOCTL_TABLE_START \
 	struct ioctl_trans ioctl_start[] = {
 #define IOCTL_TABLE_END \
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index f081c60ab206..eb39bc9c133b 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -88,7 +88,7 @@ mca_page_isolate(unsigned long paddr)
 	if (!ia64_phys_addr_valid(paddr))
 		return ISOLATE_NONE;
 
-	if (!pfn_valid(paddr))
+	if (!pfn_valid(paddr >> PAGE_SHIFT))
 		return ISOLATE_NONE;
 
 	/* convert physical address to physical page number */
@@ -108,6 +108,7 @@ mca_page_isolate(unsigned long paddr)
 		return ISOLATE_NG;
 
 	/* add attribute 'Reserved' and register the page */
+	get_page(p);
 	SetPageReserved(p);
 	page_isolate[num_page_isolate++] = p;
 
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 051e050359e4..640d6908f8ec 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -197,11 +197,15 @@ void
 default_idle (void)
 {
 	local_irq_enable();
-	while (!need_resched())
-		if (can_do_pal_halt)
-			safe_halt();
-		else
+	while (!need_resched()) {
+		if (can_do_pal_halt) {
+			local_irq_disable();
+			if (!need_resched())
+				safe_halt();
+			local_irq_enable();
+		} else
 			cpu_relax();
+	}
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -263,16 +267,16 @@ void __attribute__((noreturn))
 cpu_idle (void)
 {
 	void (*mark_idle)(int) = ia64_mark_idle;
+  	int cpu = smp_processor_id();
+	set_thread_flag(TIF_POLLING_NRFLAG);
 
 	/* endless idle loop with no priority at all */
 	while (1) {
+		if (!need_resched()) {
+			void (*idle)(void);
 #ifdef CONFIG_SMP
-		if (!need_resched())
 			min_xtp();
 #endif
-		while (!need_resched()) {
-			void (*idle)(void);
-
 			if (__get_cpu_var(cpu_idle_state))
 				__get_cpu_var(cpu_idle_state) = 0;
 
@@ -284,17 +288,17 @@ cpu_idle (void)
 			if (!idle)
 				idle = default_idle;
 			(*idle)();
-		}
-
-		if (mark_idle)
-			(*mark_idle)(0);
-
+			if (mark_idle)
+				(*mark_idle)(0);
 #ifdef CONFIG_SMP
-		normal_xtp();
+			normal_xtp();
 #endif
+		}
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 		check_pgt_cache();
-		if (cpu_is_offline(smp_processor_id()))
+		if (cpu_is_offline(cpu))
 			play_dead();
 	}
 }
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 400a48987124..8f44e7d2df66 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -399,6 +399,7 @@ start_secondary (void *unused)
 	Dprintk("start_secondary: starting CPU 0x%x\n", hard_smp_processor_id());
 	efi_map_pal_code();
 	cpu_init();
+	preempt_disable();
 	smp_callin();
 
 	cpu_idle();
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 7b03b8084ffc..1f500c81002c 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -212,13 +212,13 @@ void pcibr_target_interrupt(struct sn_irq_info *sn_irq_info)
 		    pdi_pcibus_info;
 
 		/* Disable the device's IRQ   */
-		pcireg_intr_enable_bit_clr(pcibus_info, bit);
+		pcireg_intr_enable_bit_clr(pcibus_info, (1 << bit));
 
 		/* Change the device's IRQ    */
 		pcireg_intr_addr_addr_set(pcibus_info, bit, xtalk_addr);
 
 		/* Re-enable the device's IRQ */
-		pcireg_intr_enable_bit_set(pcibus_info, bit);
+		pcireg_intr_enable_bit_set(pcibus_info, (1 << bit));
 
 		pcibr_force_interrupt(sn_irq_info);
 	}
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
index 4f718c3e93d3..5d534091262c 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
@@ -131,7 +131,7 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 			__sn_clrq_relaxed(&ptr->tio.cp_int_enable, bits);
 			break;
 		case PCIBR_BRIDGETYPE_PIC:
-			__sn_clrq_relaxed(&ptr->pic.p_int_enable, ~bits);
+			__sn_clrq_relaxed(&ptr->pic.p_int_enable, bits);
 			break;
 		default:
 			panic
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index ea13a8f4d8b0..cc4b571e5db7 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -104,7 +104,9 @@ void cpu_idle (void)
 
 			idle();
 		}
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
index 640d592ea072..b90c54169fa5 100644
--- a/arch/m32r/kernel/smpboot.c
+++ b/arch/m32r/kernel/smpboot.c
@@ -426,6 +426,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
 int __init start_secondary(void *unused)
 {
 	cpu_init();
+	preempt_disable();
 	smp_callin();
 	while (!cpu_isset(smp_processor_id(), smp_commenced_mask))
 		cpu_relax();
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 11b1b90ba6ba..13d109328a42 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -102,7 +102,9 @@ void cpu_idle(void)
 	while (1) {
 		while (!need_resched())
 			idle();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index 1ef15d5ef943..4f21f42d096b 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -111,17 +111,6 @@ void __init plat_setup(void)
     }
 #endif
 
-#ifdef CONFIG_FB_E1356
-	if ((argptr = strstr(argptr, "video=")) == NULL) {
-		argptr = prom_getcmdline();
-#ifdef CONFIG_MIPS_PB1000
-		strcat(argptr, " video=e1356fb:system:pb1000,mmunalign:1");
-#else
-		strcat(argptr, " video=e1356fb:system:pb1500");
-#endif
-	}
-#endif
-
 #ifdef CONFIG_FB_XPERT98
 	if ((argptr = strstr(argptr, "video=")) == NULL) {
 		argptr = prom_getcmdline();
diff --git a/arch/mips/configs/ddb5476_defconfig b/arch/mips/configs/ddb5476_defconfig
index b260e51eb517..326f3aa63741 100644
--- a/arch/mips/configs/ddb5476_defconfig
+++ b/arch/mips/configs/ddb5476_defconfig
@@ -658,7 +658,6 @@ CONFIG_FB=y
 # CONFIG_FB_SMIVGX is not set
 # CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_E1356 is not set
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
diff --git a/arch/mips/configs/jmr3927_defconfig b/arch/mips/configs/jmr3927_defconfig
index 9a728c2d8fd5..6390a753e80b 100644
--- a/arch/mips/configs/jmr3927_defconfig
+++ b/arch/mips/configs/jmr3927_defconfig
@@ -628,7 +628,6 @@ CONFIG_FB=y
 # CONFIG_FB_SMIVGX is not set
 # CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_E1356 is not set
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
diff --git a/arch/mips/configs/ocelot_3_defconfig b/arch/mips/configs/ocelot_3_defconfig
index ffb23fcab862..f18d05c2ca77 100644
--- a/arch/mips/configs/ocelot_3_defconfig
+++ b/arch/mips/configs/ocelot_3_defconfig
@@ -758,7 +758,6 @@ CONFIG_FB_MODE_HELPERS=y
 # CONFIG_FB_SMIVGX is not set
 # CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_E1356 is not set
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig b/arch/mips/configs/pnx8550-v2pci_defconfig
index 05e65206a7b4..37bd8d5c865d 100644
--- a/arch/mips/configs/pnx8550-v2pci_defconfig
+++ b/arch/mips/configs/pnx8550-v2pci_defconfig
@@ -897,7 +897,6 @@ CONFIG_FB=y
 # CONFIG_FB_SMIVGX is not set
 # CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_E1356 is not set
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
diff --git a/arch/mips/configs/rbhma4500_defconfig b/arch/mips/configs/rbhma4500_defconfig
index 2bc61ca4ba08..897420d39053 100644
--- a/arch/mips/configs/rbhma4500_defconfig
+++ b/arch/mips/configs/rbhma4500_defconfig
@@ -876,7 +876,6 @@ CONFIG_FB_ATY_CT=y
 # CONFIG_FB_SMIVGX is not set
 # CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_E1356 is not set
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
diff --git a/arch/mips/kernel/ioctl32.c b/arch/mips/kernel/ioctl32.c
index ed9b2da510be..9ea1fc748864 100644
--- a/arch/mips/kernel/ioctl32.c
+++ b/arch/mips/kernel/ioctl32.c
@@ -26,10 +26,8 @@ long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
 #define CODE
 #include "compat_ioctl.c"
 
-typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, struct file *);
-
 #define COMPATIBLE_IOCTL(cmd)		HANDLE_IOCTL((cmd),sys_ioctl)
-#define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl32_handler_t)(handler), NULL },
+#define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl_trans_handler_t)(handler), NULL },
 #define IOCTL_TABLE_START \
 	struct ioctl_trans ioctl_start[] = {
 #define IOCTL_TABLE_END \
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 4fe3d5715c41..dd725779d91f 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -52,7 +52,9 @@ ATTRIB_NORET void cpu_idle(void)
 		while (!need_resched())
 			if (cpu_wait)
 				(*cpu_wait)();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index fcacf1aae98a..25472fcaf715 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -82,7 +82,7 @@ extern ATTRIB_NORET void cpu_idle(void);
  */
 asmlinkage void start_secondary(void)
 {
-	unsigned int cpu = smp_processor_id();
+	unsigned int cpu;
 
 	cpu_probe();
 	cpu_report();
@@ -95,6 +95,8 @@ asmlinkage void start_secondary(void)
 	 */
 
 	calibrate_delay();
+	preempt_disable();
+	cpu = smp_processor_id();
 	cpu_data[cpu].udelay_val = loops_per_jiffy;
 
 	prom_smp_finish();
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
index 230f5a93c2e6..9cd9c0fe2265 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
@@ -84,7 +84,6 @@ IRQ  Device
 #include <asm/ptrace.h>
 #include <asm/reboot.h>
 #include <asm/time.h>
-#include <linux/version.h>
 #include <linux/bootmem.h>
 #include <asm/tx4938/rbtx4938.h>
 
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index 1ad44f92d6e4..e23c4e1e3a25 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -30,7 +30,6 @@
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/thread_info.h>
-#include <linux/version.h>
 #include <linux/ptrace.h>
 #include <linux/hardirq.h>
 
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 7fdca87ef647..fee4f1f09adc 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -88,11 +88,15 @@ void default_idle(void)
  */
 void cpu_idle(void)
 {
+	set_thread_flag(TIF_POLLING_NRFLAG);
+
 	/* endless idle loop with no priority at all */
 	while (1) {
 		while (!need_resched())
 			barrier();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 		check_pgt_cache();
 	}
 }
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 5db3be4e2704..a9ecf6465784 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -463,6 +463,7 @@ void __init smp_callin(void)
 #endif
 
 	smp_cpu_init(slave_id);
+	preempt_disable();
 
 #if 0	/* NOT WORKING YET - see entry.S */
 	istack = (void *)__get_free_pages(GFP_KERNEL,ISTACK_ORDER);
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 32f215825e8d..0578f8387603 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -887,10 +887,6 @@ void altivec_unavailable_exception(struct pt_regs *regs)
 	die("Unrecoverable VMX/Altivec Unavailable Exception", regs, SIGABRT);
 }
 
-#ifdef CONFIG_PPC64
-extern perf_irq_t perf_irq;
-#endif
-
 #if defined(CONFIG_PPC64) || defined(CONFIG_E500)
 void performance_monitor_exception(struct pt_regs *regs)
 {
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 97082a4203ad..71a6addf9f7f 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -21,6 +21,7 @@
 #include <asm/iommu.h>
 #include <asm/dma.h>
 #include <asm/vio.h>
+#include <asm/prom.h>
 
 static const struct vio_device_id *vio_match_device(
 		const struct vio_device_id *, const struct vio_dev *);
@@ -265,7 +266,33 @@ static int vio_bus_match(struct device *dev, struct device_driver *drv)
 	return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
 }
 
+static int vio_hotplug(struct device *dev, char **envp, int num_envp,
+			char *buffer, int buffer_size)
+{
+	const struct vio_dev *vio_dev = to_vio_dev(dev);
+	char *cp;
+	int length;
+
+	if (!num_envp)
+		return -ENOMEM;
+
+	if (!vio_dev->dev.platform_data)
+		return -ENODEV;
+	cp = (char *)get_property(vio_dev->dev.platform_data, "compatible", &length);
+	if (!cp)
+		return -ENODEV;
+
+	envp[0] = buffer;
+	length = scnprintf(buffer, buffer_size, "MODALIAS=vio:T%sS%s",
+				vio_dev->type, cp);
+	if (buffer_size - length <= 0)
+		return -ENOMEM;
+	envp[1] = NULL;
+	return 0;
+}
+
 struct bus_type vio_bus_type = {
 	.name = "vio",
+	.hotplug = vio_hotplug,
 	.match = vio_bus_match,
 };
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index d3e4bf756c83..7f8f0cda6a74 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -694,20 +694,19 @@ static void iseries_shared_idle(void)
 		if (hvlpevent_is_pending())
 			process_iSeries_events();
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
 static void iseries_dedicated_idle(void)
 {
 	long oldval;
+	set_thread_flag(TIF_POLLING_NRFLAG);
 
 	while (1) {
-		oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
-
-		if (!oldval) {
-			set_thread_flag(TIF_POLLING_NRFLAG);
-
+		if (!need_resched()) {
 			while (!need_resched()) {
 				ppc64_runlatch_off();
 				HMT_low();
@@ -720,13 +719,12 @@ static void iseries_dedicated_idle(void)
 			}
 
 			HMT_medium();
-			clear_thread_flag(TIF_POLLING_NRFLAG);
-		} else {
-			set_need_resched();
 		}
 
 		ppc64_runlatch_on();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index e78c39368841..a093a0d4dd69 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -469,6 +469,7 @@ static inline void dedicated_idle_sleep(unsigned int cpu)
 		 * more.
 		 */
 		clear_thread_flag(TIF_POLLING_NRFLAG);
+		smp_mb__after_clear_bit();
 
 		/*
 		 * SMT dynamic mode. Cede will result in this thread going
@@ -481,6 +482,7 @@ static inline void dedicated_idle_sleep(unsigned int cpu)
 			cede_processor();
 		else
 			local_irq_enable();
+		set_thread_flag(TIF_POLLING_NRFLAG);
 	} else {
 		/*
 		 * Give the HV an opportunity at the processor, since we are
@@ -492,11 +494,11 @@ static inline void dedicated_idle_sleep(unsigned int cpu)
 
 static void pseries_dedicated_idle(void)
 { 
-	long oldval;
 	struct paca_struct *lpaca = get_paca();
 	unsigned int cpu = smp_processor_id();
 	unsigned long start_snooze;
 	unsigned long *smt_snooze_delay = &__get_cpu_var(smt_snooze_delay);
+	set_thread_flag(TIF_POLLING_NRFLAG);
 
 	while (1) {
 		/*
@@ -505,10 +507,7 @@ static void pseries_dedicated_idle(void)
 		 */
 		lpaca->lppaca.idle = 1;
 
-		oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
-		if (!oldval) {
-			set_thread_flag(TIF_POLLING_NRFLAG);
-
+		if (!need_resched()) {
 			start_snooze = __get_tb() +
 				*smt_snooze_delay * tb_ticks_per_usec;
 
@@ -531,15 +530,14 @@ static void pseries_dedicated_idle(void)
 			}
 
 			HMT_medium();
-			clear_thread_flag(TIF_POLLING_NRFLAG);
-		} else {
-			set_need_resched();
 		}
 
 		lpaca->lppaca.idle = 0;
 		ppc64_runlatch_on();
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 
 		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
 			cpu_die();
@@ -583,7 +581,9 @@ static void pseries_shared_idle(void)
 		lpaca->lppaca.idle = 0;
 		ppc64_runlatch_on();
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 
 		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
 			cpu_die();
diff --git a/arch/ppc/configs/mpc834x_sys_defconfig b/arch/ppc/configs/mpc834x_sys_defconfig
index 4a5522ca8207..673dc64ebcb1 100644
--- a/arch/ppc/configs/mpc834x_sys_defconfig
+++ b/arch/ppc/configs/mpc834x_sys_defconfig
@@ -1,16 +1,17 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc4
-# Thu Feb 17 16:12:23 2005
+# Linux kernel version: 2.6.14
+# Mon Nov  7 15:38:29 2005
 #
 CONFIG_MMU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_HAVE_DEC_LOCK=y
 CONFIG_PPC=y
 CONFIG_PPC32=y
 CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
 
 #
 # Code maturity level options
@@ -18,23 +19,28 @@ CONFIG_GENERIC_NVRAM=y
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
 #
 CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_HOTPLUG is not set
 CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
+CONFIG_INITRAMFS_SOURCE=""
 CONFIG_EMBEDDED=y
 # CONFIG_KALLSYMS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 # CONFIG_EPOLL is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -44,6 +50,7 @@ CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
 
 #
 # Loadable module support
@@ -59,34 +66,84 @@ CONFIG_6xx=y
 # CONFIG_POWER3 is not set
 # CONFIG_POWER4 is not set
 # CONFIG_8xx is not set
+# CONFIG_E200 is not set
 # CONFIG_E500 is not set
+CONFIG_PPC_FPU=y
+# CONFIG_KEXEC is not set
 # CONFIG_CPU_FREQ is not set
+# CONFIG_WANT_EARLY_SERIAL is not set
 CONFIG_PPC_GEN550=y
-CONFIG_83xx=y
-
-#
-# Freescale 83xx options
-#
-CONFIG_MPC834x_SYS=y
-CONFIG_MPC834x=y
 CONFIG_PPC_STD_MMU=y
 
 #
 # Platform options
 #
+# CONFIG_PPC_MULTIPLATFORM is not set
+# CONFIG_APUS is not set
+# CONFIG_KATANA is not set
+# CONFIG_WILLOW is not set
+# CONFIG_CPCI690 is not set
+# CONFIG_POWERPMC250 is not set
+# CONFIG_CHESTNUT is not set
+# CONFIG_SPRUCE is not set
+# CONFIG_HDPU is not set
+# CONFIG_EV64260 is not set
+# CONFIG_LOPEC is not set
+# CONFIG_MVME5100 is not set
+# CONFIG_PPLUS is not set
+# CONFIG_PRPMC750 is not set
+# CONFIG_PRPMC800 is not set
+# CONFIG_SANDPOINT is not set
+# CONFIG_RADSTONE_PPC7D is not set
+# CONFIG_PAL4 is not set
+# CONFIG_GEMINI is not set
+# CONFIG_EST8260 is not set
+# CONFIG_SBC82xx is not set
+# CONFIG_SBS8260 is not set
+# CONFIG_RPX8260 is not set
+# CONFIG_TQM8260 is not set
+# CONFIG_ADS8272 is not set
+# CONFIG_PQ2FADS is not set
+# CONFIG_LITE5200 is not set
+CONFIG_MPC834x_SYS=y
+# CONFIG_EV64360 is not set
+CONFIG_83xx=y
+CONFIG_MPC834x=y
 # CONFIG_SMP is not set
-# CONFIG_PREEMPT is not set
 # CONFIG_HIGHMEM is not set
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 # CONFIG_CMDLINE_BOOL is not set
+# CONFIG_PM is not set
+# CONFIG_SOFTWARE_SUSPEND is not set
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
 
 #
 # Bus options
 #
 CONFIG_GENERIC_ISA_DMA=y
-# CONFIG_PCI is not set
-# CONFIG_PCI_DOMAINS is not set
+# CONFIG_PPC_I8259 is not set
+CONFIG_PPC_INDIRECT_PCI=y
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+# CONFIG_MPC83xx_PCI2 is not set
+CONFIG_PCI_LEGACY_PROC=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -94,10 +151,6 @@ CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_PCCARD is not set
 
 #
-# PC-card bridges
-#
-
-#
 # Advanced setup
 #
 # CONFIG_ADVANCED_OPTIONS is not set
@@ -112,6 +165,75 @@ CONFIG_TASK_SIZE=0x80000000
 CONFIG_BOOT_LOAD=0x00800000
 
 #
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_NETFILTER is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_NET_CLS_ROUTE is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
 # Device Drivers
 #
 
@@ -123,6 +245,11 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
 
 #
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
 # Memory Technology Devices (MTD)
 #
 # CONFIG_MTD is not set
@@ -140,15 +267,19 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # Block devices
 #
 # CONFIG_BLK_DEV_FD is not set
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=32768
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_LBD is not set
 # CONFIG_CDROM_PKTCDVD is not set
 
@@ -159,6 +290,11 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ATA_OVER_ETH is not set
 
 #
@@ -169,6 +305,7 @@ CONFIG_IOSCHED_CFQ=y
 #
 # SCSI device support
 #
+# CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
 
 #
@@ -179,110 +316,116 @@ CONFIG_IOSCHED_CFQ=y
 #
 # Fusion MPT device support
 #
+# CONFIG_FUSION is not set
 
 #
 # IEEE 1394 (FireWire) support
 #
+# CONFIG_IEEE1394 is not set
 
 #
 # I2O device support
 #
+# CONFIG_I2O is not set
 
 #
 # Macintosh device drivers
 #
 
 #
-# Networking support
+# Network device support
 #
-CONFIG_NET=y
-
-#
-# Networking options
-#
-CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IP_PNP_RARP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_IP_MROUTE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
 
 #
-# SCTP Configuration (EXPERIMENTAL)
+# ARCnet devices
 #
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
+# CONFIG_ARCNET is not set
 
 #
-# QoS and/or fair queueing
+# PHY device support
 #
-# CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
+CONFIG_PHYLIB=y
 
 #
-# Network testing
+# MII PHY device drivers
 #
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
-CONFIG_NETDEVICES=y
-# CONFIG_DUMMY is not set
-# CONFIG_BONDING is not set
-# CONFIG_EQUALIZER is not set
-# CONFIG_TUN is not set
+CONFIG_MARVELL_PHY=y
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
 
 #
 # Ethernet (10 or 100Mbit)
 #
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+
+#
+# Tulip family network device support
+#
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+CONFIG_NET_PCI=y
+# CONFIG_PCNET32 is not set
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_DGRS is not set
+# CONFIG_EEPRO100 is not set
+CONFIG_E100=y
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+# CONFIG_8139CP is not set
+# CONFIG_8139TOO is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+# CONFIG_VIA_RHINE is not set
 
 #
 # Ethernet (1000 Mbit)
 #
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+CONFIG_E1000=y
+# CONFIG_E1000_NAPI is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SK98LIN is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
 CONFIG_GIANFAR=y
 # CONFIG_GFAR_NAPI is not set
 
 #
 # Ethernet (10000 Mbit)
 #
+# CONFIG_CHELSIO_T1 is not set
+# CONFIG_IXGB is not set
+# CONFIG_S2IO is not set
 
 #
 # Token Ring devices
 #
+# CONFIG_TR is not set
 
 #
 # Wireless LAN (non-hamradio)
@@ -293,10 +436,14 @@ CONFIG_GIANFAR=y
 # Wan interfaces
 #
 # CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 
 #
 # ISDN subsystem
@@ -323,14 +470,6 @@ CONFIG_INPUT=y
 # CONFIG_INPUT_EVBUG is not set
 
 #
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-# CONFIG_SERIO is not set
-# CONFIG_SERIO_I8042 is not set
-
-#
 # Input Device Drivers
 #
 # CONFIG_INPUT_KEYBOARD is not set
@@ -340,6 +479,12 @@ CONFIG_SOUND_GAMEPORT=y
 # CONFIG_INPUT_MISC is not set
 
 #
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
 # Character devices
 #
 # CONFIG_VT is not set
@@ -358,6 +503,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -376,6 +522,7 @@ CONFIG_GEN_RTC=y
 # CONFIG_GEN_RTC_X is not set
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
 
 #
 # Ftape, the floppy tape device driver
@@ -385,6 +532,12 @@ CONFIG_GEN_RTC=y
 # CONFIG_RAW_DRIVER is not set
 
 #
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
 # I2C support
 #
 CONFIG_I2C=y
@@ -400,23 +553,68 @@ CONFIG_I2C_CHARDEV=y
 #
 # I2C Hardware Bus support
 #
-# CONFIG_I2C_ISA is not set
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
 CONFIG_I2C_MPC=y
+# CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_SCx200_ACB is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
 # CONFIG_I2C_PCA_ISA is not set
 
 #
-# Hardware Sensors Chip support
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_M41T00 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_RTC_X1205_I2C is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
 #
-# CONFIG_I2C_SENSOR is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
 # CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
 # CONFIG_SENSORS_ASB100 is not set
+# CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
 # CONFIG_SENSORS_LM75 is not set
@@ -427,33 +625,26 @@ CONFIG_I2C_MPC=y
 # CONFIG_SENSORS_LM85 is not set
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
-# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_SIS5595 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83792D is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
 
 #
-# Other I2C Chip support
-#
-# CONFIG_SENSORS_EEPROM is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
-
-#
-# Dallas's 1-wire bus
+# Misc devices
 #
-# CONFIG_W1 is not set
 
 #
-# Misc devices
+# Multimedia Capabilities Port drivers
 #
 
 #
@@ -479,11 +670,12 @@ CONFIG_I2C_MPC=y
 #
 # USB support
 #
-# CONFIG_USB_ARCH_HAS_HCD is not set
-# CONFIG_USB_ARCH_HAS_OHCI is not set
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 
 #
@@ -502,10 +694,15 @@ CONFIG_I2C_MPC=y
 # CONFIG_INFINIBAND is not set
 
 #
+# SN Devices
+#
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
@@ -515,17 +712,16 @@ CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
-
-#
-# XFS support
-#
+# CONFIG_FS_POSIX_ACL is not set
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
 
 #
 # CD-ROM/DVD Filesystems
@@ -546,12 +742,10 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_DEVFS_FS is not set
-# CONFIG_DEVPTS_FS_XATTR is not set
 CONFIG_TMPFS=y
-# CONFIG_TMPFS_XATTR is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
+# CONFIG_RELAYFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -580,6 +774,7 @@ CONFIG_NFS_FS=y
 # CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
+CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
@@ -588,6 +783,7 @@ CONFIG_SUNRPC=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
 
 #
 # Partition Types
@@ -614,6 +810,7 @@ CONFIG_PARTITION_ADVANCED=y
 # Library routines
 #
 # CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
 CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 
@@ -625,7 +822,9 @@ CONFIG_CRC32=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 # CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_SERIAL_TEXT_DEBUG is not set
 
 #
diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
index 11e5b44713f7..3c4e4cb61074 100644
--- a/arch/ppc/kernel/idle.c
+++ b/arch/ppc/kernel/idle.c
@@ -53,10 +53,6 @@ void default_idle(void)
 		}
 #endif
 	}
-	if (need_resched())
-		schedule();
-	if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
-		cpu_die();
 }
 
 /*
@@ -64,11 +60,22 @@ void default_idle(void)
  */
 void cpu_idle(void)
 {
-	for (;;)
-		if (ppc_md.idle != NULL)
-			ppc_md.idle();
-		else
-			default_idle();
+	int cpu = smp_processor_id();
+
+	for (;;) {
+		while (need_resched()) {
+			if (ppc_md.idle != NULL)
+				ppc_md.idle();
+			else
+				default_idle();
+		}
+
+		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
+			cpu_die();
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+	}
 }
 
 #if defined(CONFIG_SYSCTL) && defined(CONFIG_6xx)
diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c
index bc5bf1124836..43b8fc2ca591 100644
--- a/arch/ppc/kernel/smp.c
+++ b/arch/ppc/kernel/smp.c
@@ -341,6 +341,7 @@ int __devinit start_secondary(void *unused)
 	cpu = smp_processor_id();
         smp_store_cpu_info(cpu);
 	set_dec(tb_ticks_per_jiffy);
+	preempt_disable();
 	cpu_callin_map[cpu] = 1;
 
 	printk("CPU %d done callin...\n", cpu);
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c
index 79b3f533d0a3..98edc75f4105 100644
--- a/arch/ppc/platforms/83xx/mpc834x_sys.c
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.c
@@ -51,6 +51,9 @@
 
 #include <syslib/ppc83xx_setup.h>
 
+static const char *GFAR_PHY_0 = "phy0:0";
+static const char *GFAR_PHY_1 = "phy0:1";
+
 #ifndef CONFIG_PCI
 unsigned long isa_io_base = 0;
 unsigned long isa_mem_base = 0;
@@ -97,6 +100,7 @@ mpc834x_sys_setup_arch(void)
 	bd_t *binfo = (bd_t *) __res;
 	unsigned int freq;
 	struct gianfar_platform_data *pdata;
+	struct gianfar_mdio_data *mdata;
 
 	/* get the core frequency */
 	freq = binfo->bi_intfreq;
@@ -111,24 +115,27 @@ mpc834x_sys_setup_arch(void)
 #endif
 	mpc83xx_early_serial_map();
 
+	/* setup the board related info for the MDIO bus */
+	mdata = (struct gianfar_mdio_data *) ppc_sys_get_pdata(MPC83xx_MDIO);
+
+	mdata->irq[0] = MPC83xx_IRQ_EXT1;
+	mdata->irq[1] = MPC83xx_IRQ_EXT2;
+	mdata->irq[2] = -1;
+	mdata->irq[31] = -1;
+	mdata->paddr += binfo->bi_immr_base;
+
 	/* setup the board related information for the enet controllers */
 	pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_TSEC1);
 	if (pdata) {
 		pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
-		pdata->interruptPHY = MPC83xx_IRQ_EXT1;
-		pdata->phyid = 0;
-		/* fixup phy address */
-		pdata->phy_reg_addr += binfo->bi_immr_base;
+		pdata->bus_id = GFAR_PHY_0;
 		memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
 	}
 
 	pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_TSEC2);
 	if (pdata) {
 		pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
-		pdata->interruptPHY = MPC83xx_IRQ_EXT2;
-		pdata->phyid = 1;
-		/* fixup phy address */
-		pdata->phy_reg_addr += binfo->bi_immr_base;
+		pdata->bus_id = GFAR_PHY_1;
 		memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
 	}
 
diff --git a/arch/ppc/platforms/85xx/stx_gp3.h b/arch/ppc/platforms/85xx/stx_gp3.h
index 95fdf4b0680b..7bcc6c35a417 100644
--- a/arch/ppc/platforms/85xx/stx_gp3.h
+++ b/arch/ppc/platforms/85xx/stx_gp3.h
@@ -21,6 +21,7 @@
 
 #include <linux/config.h>
 #include <linux/init.h>
+#include <linux/seq_file.h>
 #include <asm/ppcboot.h>
 
 #define BOARD_CCSRBAR		((uint)0xe0000000)
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 5bd33baac243..5b7f2b80e56e 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -33,7 +33,6 @@ obj-$(CONFIG_PPC4xx_DMA)	+= ppc4xx_dma.o
 obj-$(CONFIG_PPC4xx_EDMA)	+= ppc4xx_sgdma.o
 ifeq ($(CONFIG_40x),y)
 obj-$(CONFIG_PCI)		+= pci_auto.o ppc405_pci.o
-obj-$(CONFIG_RAPIDIO)		+= ppc85xx_rio.o
 endif
 endif
 obj-$(CONFIG_8xx)		+= m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \
@@ -96,6 +95,7 @@ obj-$(CONFIG_85xx)		+= open_pic.o ppc85xx_common.o ppc85xx_setup.o \
 ifeq ($(CONFIG_85xx),y)
 obj-$(CONFIG_PCI)		+= pci_auto.o
 endif
+obj-$(CONFIG_RAPIDIO)		+= ppc85xx_rio.o
 obj-$(CONFIG_83xx)		+= ipic.o ppc83xx_setup.o ppc_sys.o \
 					mpc83xx_sys.o mpc83xx_devices.o
 ifeq ($(CONFIG_83xx),y)
diff --git a/arch/ppc/syslib/mpc83xx_devices.c b/arch/ppc/syslib/mpc83xx_devices.c
index dbf8acac507f..f43fbf9a9389 100644
--- a/arch/ppc/syslib/mpc83xx_devices.c
+++ b/arch/ppc/syslib/mpc83xx_devices.c
@@ -27,18 +27,20 @@
  * what IMMRBAR is, will get fixed up by mach_mpc83xx_fixup
  */
 
+struct gianfar_mdio_data mpc83xx_mdio_pdata = {
+	.paddr = 0x24520,
+};
+
 static struct gianfar_platform_data mpc83xx_tsec1_pdata = {
 	.device_flags = FSL_GIANFAR_DEV_HAS_GIGABIT |
 	    FSL_GIANFAR_DEV_HAS_COALESCE | FSL_GIANFAR_DEV_HAS_RMON |
 	    FSL_GIANFAR_DEV_HAS_MULTI_INTR,
-	.phy_reg_addr = 0x24000,
 };
 
 static struct gianfar_platform_data mpc83xx_tsec2_pdata = {
 	.device_flags = FSL_GIANFAR_DEV_HAS_GIGABIT |
 	    FSL_GIANFAR_DEV_HAS_COALESCE | FSL_GIANFAR_DEV_HAS_RMON |
 	    FSL_GIANFAR_DEV_HAS_MULTI_INTR,
-	.phy_reg_addr = 0x24000,
 };
 
 static struct fsl_i2c_platform_data mpc83xx_fsl_i2c1_pdata = {
@@ -220,6 +222,12 @@ struct platform_device ppc_sys_platform_devices[] = {
 			},
 		},
 	},
+	[MPC83xx_MDIO] = {
+		.name = "fsl-gianfar_mdio",
+		.id = 0,
+		.dev.platform_data = &mpc83xx_mdio_pdata,
+		.num_resources = 0,
+	},
 };
 
 static int __init mach_mpc83xx_fixup(struct platform_device *pdev)
diff --git a/arch/ppc/syslib/mpc83xx_sys.c b/arch/ppc/syslib/mpc83xx_sys.c
index 29aa63350025..da743446789b 100644
--- a/arch/ppc/syslib/mpc83xx_sys.c
+++ b/arch/ppc/syslib/mpc83xx_sys.c
@@ -24,72 +24,72 @@ struct ppc_sys_spec ppc_sys_specs[] = {
 		.ppc_sys_name	= "8349E",
 		.mask 		= 0xFFFF0000,
 		.value 		= 0x80500000,
-		.num_devices	= 8,
+		.num_devices	= 9,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC83xx_TSEC1, MPC83xx_TSEC2, MPC83xx_IIC1,
 			MPC83xx_IIC2, MPC83xx_DUART, MPC83xx_SEC2,
-			MPC83xx_USB2_DR, MPC83xx_USB2_MPH
+			MPC83xx_USB2_DR, MPC83xx_USB2_MPH, MPC83xx_MDIO
 		},
 	},
 	{
 		.ppc_sys_name	= "8349",
 		.mask 		= 0xFFFF0000,
 		.value 		= 0x80510000,
-		.num_devices	= 7,
+		.num_devices	= 8,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC83xx_TSEC1, MPC83xx_TSEC2, MPC83xx_IIC1,
 			MPC83xx_IIC2, MPC83xx_DUART,
-			MPC83xx_USB2_DR, MPC83xx_USB2_MPH
+			MPC83xx_USB2_DR, MPC83xx_USB2_MPH, MPC83xx_MDIO
 		},
 	},
 	{
 		.ppc_sys_name	= "8347E",
 		.mask 		= 0xFFFF0000,
 		.value 		= 0x80520000,
-		.num_devices	= 8,
+		.num_devices	= 9,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC83xx_TSEC1, MPC83xx_TSEC2, MPC83xx_IIC1,
 			MPC83xx_IIC2, MPC83xx_DUART, MPC83xx_SEC2,
-			MPC83xx_USB2_DR, MPC83xx_USB2_MPH
+			MPC83xx_USB2_DR, MPC83xx_USB2_MPH, MPC83xx_MDIO
 		},
 	},
 	{
 		.ppc_sys_name	= "8347",
 		.mask 		= 0xFFFF0000,
 		.value 		= 0x80530000,
-		.num_devices	= 7,
+		.num_devices	= 8,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC83xx_TSEC1, MPC83xx_TSEC2, MPC83xx_IIC1,
 			MPC83xx_IIC2, MPC83xx_DUART,
-			MPC83xx_USB2_DR, MPC83xx_USB2_MPH
+			MPC83xx_USB2_DR, MPC83xx_USB2_MPH, MPC83xx_MDIO
 		},
 	},
 	{
 		.ppc_sys_name	= "8343E",
 		.mask 		= 0xFFFF0000,
 		.value 		= 0x80540000,
-		.num_devices	= 7,
+		.num_devices	= 8,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC83xx_TSEC1, MPC83xx_TSEC2, MPC83xx_IIC1,
 			MPC83xx_IIC2, MPC83xx_DUART, MPC83xx_SEC2,
-			MPC83xx_USB2_DR,
+			MPC83xx_USB2_DR, MPC83xx_MDIO
 		},
 	},
 	{
 		.ppc_sys_name	= "8343",
 		.mask 		= 0xFFFF0000,
 		.value 		= 0x80550000,
-		.num_devices	= 6,
+		.num_devices	= 7,
 		.device_list	= (enum ppc_sys_devices[])
 		{
 			MPC83xx_TSEC1, MPC83xx_TSEC2, MPC83xx_IIC1,
 			MPC83xx_IIC2, MPC83xx_DUART,
-			MPC83xx_USB2_DR,
+			MPC83xx_USB2_DR, MPC83xx_MDIO
 		},
 	},
 	{	/* default match */
diff --git a/arch/ppc/syslib/prom.c b/arch/ppc/syslib/prom.c
index 03b1fc9b9501..af4deace49e0 100644
--- a/arch/ppc/syslib/prom.c
+++ b/arch/ppc/syslib/prom.c
@@ -13,7 +13,6 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/threads.h>
 #include <linux/spinlock.h>
 #include <linux/ioport.h>
diff --git a/arch/ppc/syslib/prom_init.c b/arch/ppc/syslib/prom_init.c
index 7f15136830f4..df14422ae1c6 100644
--- a/arch/ppc/syslib/prom_init.c
+++ b/arch/ppc/syslib/prom_init.c
@@ -9,7 +9,6 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/threads.h>
 #include <linux/spinlock.h>
 #include <linux/ioport.h>
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 8fec27469802..715bc0e71e0f 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -34,15 +34,11 @@ extern void power4_idle(void);
 
 void default_idle(void)
 {
-	long oldval;
 	unsigned int cpu = smp_processor_id();
+	set_thread_flag(TIF_POLLING_NRFLAG);
 
 	while (1) {
-		oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
-
-		if (!oldval) {
-			set_thread_flag(TIF_POLLING_NRFLAG);
-
+		if (!need_resched()) {
 			while (!need_resched() && !cpu_is_offline(cpu)) {
 				ppc64_runlatch_off();
 
@@ -55,13 +51,12 @@ void default_idle(void)
 			}
 
 			HMT_medium();
-			clear_thread_flag(TIF_POLLING_NRFLAG);
-		} else {
-			set_need_resched();
 		}
 
 		ppc64_runlatch_on();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
 			cpu_die();
 	}
@@ -77,7 +72,9 @@ void native_idle(void)
 
 		if (need_resched()) {
 			ppc64_runlatch_on();
+			preempt_enable_no_resched();
 			schedule();
+			preempt_disable();
 		}
 
 		if (cpu_is_offline(smp_processor_id()) &&
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index c9f2f60cfa58..dee6ab54984d 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -592,12 +592,15 @@ int appldata_register_ops(struct appldata_ops *ops)
  */
 void appldata_unregister_ops(struct appldata_ops *ops)
 {
+	void *table;
 	spin_lock(&appldata_ops_lock);
-	unregister_sysctl_table(ops->sysctl_header);
 	list_del(&ops->list);
-	kfree(ops->ctl_table);
+	/* at that point any incoming access will fail */
+	table = ops->ctl_table;
 	ops->ctl_table = NULL;
 	spin_unlock(&appldata_ops_lock);
+	unregister_sysctl_table(ops->sysctl_header);
+	kfree(table);
 	P_INFO("%s-ops unregistered!\n", ops->name);
 }
 /********************** module-ops management <END> **************************/
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index bc59282da762..896d39d0e4ce 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -486,7 +486,7 @@ out:
  * - goto next entry in p_info
  */
 
-extern inline int
+static inline int
 debug_next_entry(file_private_info_t *p_info)
 {
 	debug_info_t *id;
@@ -800,7 +800,7 @@ debug_set_level(debug_info_t* id, int new_level)
  * - set active entry to next in the ring buffer
  */
 
-extern inline void
+static inline void
 proceed_active_entry(debug_info_t * id)
 {
 	if ((id->active_entries[id->active_area] += id->entry_size)
@@ -817,7 +817,7 @@ proceed_active_entry(debug_info_t * id)
  * - set active area to next in the ring buffer
  */
 
-extern inline void
+static inline void
 proceed_active_area(debug_info_t * id)
 {
 	id->active_area++;
@@ -828,7 +828,7 @@ proceed_active_area(debug_info_t * id)
  * get_active_entry:
  */
 
-extern inline debug_entry_t*
+static inline debug_entry_t*
 get_active_entry(debug_info_t * id)
 {
 	return (debug_entry_t *) (((char *) id->areas[id->active_area]
@@ -841,7 +841,7 @@ get_active_entry(debug_info_t * id)
  * - set timestamp, caller address, cpu number etc.
  */
 
-extern inline void
+static inline void
 debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level,
 			int exception)
 {
@@ -971,7 +971,7 @@ debug_entry_t
  * counts arguments in format string for sprintf view
  */
 
-extern inline int
+static inline int
 debug_count_numargs(char *string)
 {
 	int numargs=0;
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 9f3dff6c0b72..78b64fe5e7c2 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -99,15 +99,15 @@ void default_idle(void)
 {
 	int cpu, rc;
 
+	/* CPU is going idle. */
+	cpu = smp_processor_id();
+
 	local_irq_disable();
-        if (need_resched()) {
+	if (need_resched()) {
 		local_irq_enable();
-                schedule();
-                return;
-        }
+		return;
+	}
 
-	/* CPU is going idle. */
-	cpu = smp_processor_id();
 	rc = notifier_call_chain(&idle_chain, CPU_IDLE, (void *)(long) cpu);
 	if (rc != NOTIFY_OK && rc != NOTIFY_DONE)
 		BUG();
@@ -120,7 +120,7 @@ void default_idle(void)
 	__ctl_set_bit(8, 15);
 
 #ifdef CONFIG_HOTPLUG_CPU
-	if (cpu_is_offline(smp_processor_id()))
+	if (cpu_is_offline(cpu))
 		cpu_die();
 #endif
 
@@ -139,8 +139,14 @@ void default_idle(void)
 
 void cpu_idle(void)
 {
-	for (;;)
-		default_idle();
+	for (;;) {
+		while (!need_resched())
+			default_idle();
+
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+	}
 }
 
 void show_regs(struct pt_regs *regs)
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index e13c87b446b2..5856b3fda6bf 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -533,6 +533,7 @@ int __devinit start_secondary(void *cpuvoid)
 {
         /* Setup the cpu */
         cpu_init();
+	preempt_disable();
         /* init per CPU timer */
         init_cpu_timer();
 #ifdef CONFIG_VIRT_TIMER
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 64e32da77754..fb2607c369ed 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -160,7 +160,7 @@ static void do_sigsegv(struct pt_regs *regs, unsigned long error_code,
  *   11       Page translation     ->  Not present       (nullification)
  *   3b       Region third trans.  ->  Not present       (nullification)
  */
-extern inline void
+static inline void
 do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection)
 {
         struct task_struct *tsk;
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 6dce9d0b81f8..fd4f240b833d 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -51,28 +51,24 @@ void enable_hlt(void)
 
 EXPORT_SYMBOL(enable_hlt);
 
-void default_idle(void)
+void cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
 	while (1) {
 		if (hlt_counter) {
-			while (1)
-				if (need_resched())
-					break;
+			while (!need_resched())
+				cpu_relax();
 		} else {
 			while (!need_resched())
 				cpu_sleep();
 		}
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
-void cpu_idle(void)
-{
-	default_idle();
-}
-
 void machine_restart(char * __unused)
 {
 	/* SR.BL=1 and invoke address error to let CPU reset (manual reset) */
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 5ecefc02896a..59e49b18252c 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -112,7 +112,9 @@ int __cpu_up(unsigned int cpu)
 
 int start_secondary(void *unused)
 {
-	unsigned int cpu = smp_processor_id();
+	unsigned int cpu;
+
+	cpu = smp_processor_id();
 
 	atomic_inc(&init_mm.mm_count);
 	current->active_mm = &init_mm;
@@ -120,6 +122,7 @@ int start_secondary(void *unused)
 	smp_store_cpu_info(cpu);
 
 	__smp_slave_init(cpu);
+	preempt_disable();
 	per_cpu_trap_init();
 	
 	atomic_inc(&cpus_booted);
diff --git a/arch/sh64/kernel/process.c b/arch/sh64/kernel/process.c
index efde41c0cd66..b95d04141855 100644
--- a/arch/sh64/kernel/process.c
+++ b/arch/sh64/kernel/process.c
@@ -307,23 +307,19 @@ __setup("hlt", hlt_setup);
 
 static inline void hlt(void)
 {
-	if (hlt_counter)
-		return;
-
 	__asm__ __volatile__ ("sleep" : : : "memory");
 }
 
 /*
  * The idle loop on a uniprocessor SH..
  */
-void default_idle(void)
+void cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
 	while (1) {
 		if (hlt_counter) {
-			while (1)
-				if (need_resched())
-					break;
+			while (!need_resched())
+				cpu_relax();
 		} else {
 			local_irq_disable();
 			while (!need_resched()) {
@@ -334,13 +330,11 @@ void default_idle(void)
 			}
 			local_irq_enable();
 		}
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
-}
 
-void cpu_idle(void)
-{
-	default_idle();
 }
 
 void machine_restart(char * __unused)
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 6537445dac0e..3cfb8be3ff6d 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -201,6 +201,14 @@ config SUN_OPENPROMFS
 	  Only choose N if you know in advance that you will not need to modify
 	  OpenPROM settings on the running system.
 
+config SPARC_LED
+	tristate "Sun4m LED driver"
+	help
+	  This driver toggles the front-panel LED on sun4m systems
+	  in a user-specifyable manner.  It's state can be probed
+	  by reading /proc/led and it's blinking mode can be changed
+	  via writes to /proc/led
+
 source "fs/Kconfig.binfmt"
 
 config SUNOS_EMUL
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 3d22ba2af01c..1b83e21841b5 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_SUN_AUXIO) += auxio.o
 obj-$(CONFIG_PCI) += ebus.o
 obj-$(CONFIG_SUN_PM) += apc.o pmc.o
 obj-$(CONFIG_MODULES) += module.o sparc_ksyms.o
+obj-$(CONFIG_SPARC_LED) += led.o
 
 ifdef CONFIG_SUNOS_EMUL
 obj-y += sys_sunos.o sunos_ioctl.o
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 6a4ebc62193e..d7bfc61d2879 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -75,7 +75,7 @@ struct cpu_fp_info linux_sparc_fpu[] = {
   { 9, 3, "Fujitsu or Weitek on-chip FPU"},
 };
 
-#define NSPARCFPU  (sizeof(linux_sparc_fpu)/sizeof(struct cpu_fp_info))
+#define NSPARCFPU  ARRAY_SIZE(linux_sparc_fpu)
 
 struct cpu_iu_info linux_sparc_chips[] = {
   /* Sun4/100, 4/200, SLC */
@@ -120,7 +120,7 @@ struct cpu_iu_info linux_sparc_chips[] = {
   { 0xf, 0, "UNKNOWN CPU-VENDOR/TYPE"},
 };
 
-#define NSPARCCHIPS  (sizeof(linux_sparc_chips)/sizeof(struct cpu_iu_info))
+#define NSPARCCHIPS  ARRAY_SIZE(linux_sparc_chips)
 
 char *sparc_cpu_type;
 char *sparc_fpu_type;
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
new file mode 100644
index 000000000000..2a3afca453c9
--- /dev/null
+++ b/arch/sparc/kernel/led.c
@@ -0,0 +1,139 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/string.h>
+
+#include <asm/auxio.h>
+
+#define LED_MAX_LENGTH 8 /* maximum chars written to proc file */
+
+static inline void led_toggle(void)
+{
+	unsigned char val = get_auxio();
+	unsigned char on, off;
+
+	if (val & AUXIO_LED) {
+		on = 0;
+		off = AUXIO_LED;
+	} else {
+		on = AUXIO_LED;
+		off = 0;
+	}
+
+	set_auxio(on, off);
+}
+
+static struct timer_list led_blink_timer;
+
+static void led_blink(unsigned long timeout)
+{
+	led_toggle();
+
+	/* reschedule */
+	if (!timeout) { /* blink according to load */
+		led_blink_timer.expires = jiffies +
+			((1 + (avenrun[0] >> FSHIFT)) * HZ);
+		led_blink_timer.data = 0;
+	} else { /* blink at user specified interval */
+		led_blink_timer.expires = jiffies + (timeout * HZ);
+		led_blink_timer.data = timeout;
+	}
+	add_timer(&led_blink_timer);
+}
+
+static int led_read_proc(char *buf, char **start, off_t offset, int count,
+			 int *eof, void *data)
+{
+	int len = 0;
+
+	if (get_auxio() & AUXIO_LED)
+		len = sprintf(buf, "on\n");
+	else
+		len = sprintf(buf, "off\n");
+
+	return len;
+}
+
+static int led_write_proc(struct file *file, const char *buffer,
+			  unsigned long count, void *data)
+{
+	char *buf = NULL;
+
+	if (count > LED_MAX_LENGTH)
+		count = LED_MAX_LENGTH;
+
+	buf = kmalloc(sizeof(char) * (count + 1), GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	if (copy_from_user(buf, buffer, count)) {
+		kfree(buf);
+		return -EFAULT;
+	}
+
+	buf[count] = '\0';
+
+	/* work around \n when echo'ing into proc */
+	if (buf[count - 1] == '\n')
+		buf[count - 1] = '\0';
+
+	/* before we change anything we want to stop any running timers,
+	 * otherwise calls such as on will have no persistent effect
+	 */
+	del_timer_sync(&led_blink_timer);
+
+	if (!strcmp(buf, "on")) {
+		auxio_set_led(AUXIO_LED_ON);
+	} else if (!strcmp(buf, "toggle")) {
+		led_toggle();
+	} else if ((*buf > '0') && (*buf <= '9')) {
+		led_blink(simple_strtoul(buf, NULL, 10));
+	} else if (!strcmp(buf, "load")) {
+		led_blink(0);
+	} else {
+		auxio_set_led(AUXIO_LED_OFF);
+	}
+
+	kfree(buf);
+
+	return count;
+}
+
+static struct proc_dir_entry *led;
+
+#define LED_VERSION	"0.1"
+
+static int __init led_init(void)
+{
+	init_timer(&led_blink_timer);
+	led_blink_timer.function = led_blink;
+
+	led = create_proc_entry("led", 0, NULL);
+	if (!led)
+		return -ENOMEM;
+
+	led->read_proc = led_read_proc; /* reader function */
+	led->write_proc = led_write_proc; /* writer function */
+	led->owner = THIS_MODULE;
+
+	printk(KERN_INFO
+	       "led: version %s, Lars Kotthoff <metalhead@metalhead.ws>\n",
+	       LED_VERSION);
+
+	return 0;
+}
+
+static void __exit led_exit(void)
+{
+	remove_proc_entry("led", NULL);
+	del_timer_sync(&led_blink_timer);
+}
+
+module_init(led_init);
+module_exit(led_exit);
+
+MODULE_AUTHOR("Lars Kotthoff <metalhead@metalhead.ws>");
+MODULE_DESCRIPTION("Provides control of the front LED on SPARC systems.");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(LED_VERSION);
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 25e31d5ec99b..cccfc12802ed 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -143,7 +143,7 @@ static struct pcic_ca2irq pcic_i_jk[] = {
  * as several PROMs may be installed on the same physical board.
  */
 #define SN2L_INIT(name, map)	\
-  { name, map, sizeof(map)/sizeof(struct pcic_ca2irq) }
+  { name, map, ARRAY_SIZE(map) }
 
 static struct pcic_sn2list pcic_known_sysnames[] = {
 	SN2L_INIT("SUNW,JavaEngine1", pcic_i_je1a),	/* JE1, PROM 2.32 */
diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c
index 29e72b57d4fd..ea8647411462 100644
--- a/arch/sparc/kernel/process.c
+++ b/arch/sparc/kernel/process.c
@@ -67,13 +67,6 @@ extern void fpsave(unsigned long *, unsigned long *, void *, unsigned long *);
 struct task_struct *last_task_used_math = NULL;
 struct thread_info *current_set[NR_CPUS];
 
-/*
- * default_idle is new in 2.5. XXX Review, currently stolen from sparc64.
- */
-void default_idle(void)
-{
-}
-
 #ifndef CONFIG_SMP
 
 #define SUN4C_FAULT_HIGH 100
@@ -92,12 +85,11 @@ void cpu_idle(void)
 			static unsigned long fps;
 			unsigned long now;
 			unsigned long faults;
-			unsigned long flags;
 
 			extern unsigned long sun4c_kernel_faults;
 			extern void sun4c_grow_kernel_ring(void);
 
-			local_irq_save(flags);
+			local_irq_disable();
 			now = jiffies;
 			count -= (now - last_jiffies);
 			last_jiffies = now;
@@ -113,14 +105,19 @@ void cpu_idle(void)
 					sun4c_grow_kernel_ring();
 				}
 			}
-			local_irq_restore(flags);
+			local_irq_enable();
 		}
 
-		while((!need_resched()) && pm_idle) {
-			(*pm_idle)();
+		if (pm_idle) {
+			while (!need_resched())
+				(*pm_idle)();
+		} else {
+			while (!need_resched())
+				cpu_relax();
 		}
-
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 		check_pgt_cache();
 	}
 }
@@ -130,13 +127,15 @@ void cpu_idle(void)
 /* This is being executed in task 0 'user space'. */
 void cpu_idle(void)
 {
+        set_thread_flag(TIF_POLLING_NRFLAG);
 	/* endless idle loop with no priority at all */
 	while(1) {
-		if(need_resched()) {
-			schedule();
-			check_pgt_cache();
-		}
-		barrier(); /* or else gcc optimizes... */
+		while (!need_resched())
+			cpu_relax();
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+		check_pgt_cache();
 	}
 }
 
diff --git a/arch/sparc/kernel/sunos_ioctl.c b/arch/sparc/kernel/sunos_ioctl.c
index df1c0b31a930..a6ba3d26222c 100644
--- a/arch/sparc/kernel/sunos_ioctl.c
+++ b/arch/sparc/kernel/sunos_ioctl.c
@@ -23,7 +23,6 @@
 #include <linux/smp_lock.h>
 #include <linux/syscalls.h>
 #include <linux/file.h>
-#include <asm/kbio.h>
 
 #if 0
 extern char sunkbd_type;
diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c
index 2bbd53f3cafb..9eeed3347df3 100644
--- a/arch/sparc/mm/fault.c
+++ b/arch/sparc/mm/fault.c
@@ -33,8 +33,6 @@
 #include <asm/kdebug.h>
 #include <asm/uaccess.h>
 
-#define ELEMENTS(arr) (sizeof (arr)/sizeof (arr[0]))
-
 extern int prom_node_root;
 
 /* At boot time we determine these two values necessary for setting
diff --git a/arch/sparc64/kernel/cpu.c b/arch/sparc64/kernel/cpu.c
index 77ef5df4e5a7..00eed88ef2e8 100644
--- a/arch/sparc64/kernel/cpu.c
+++ b/arch/sparc64/kernel/cpu.c
@@ -43,7 +43,7 @@ struct cpu_fp_info linux_sparc_fpu[] = {
   { 0x3e, 0x22, 0, "UltraSparc IIIi+ integrated FPU"},
 };
 
-#define NSPARCFPU  (sizeof(linux_sparc_fpu)/sizeof(struct cpu_fp_info))
+#define NSPARCFPU  ARRAY_SIZE(linux_sparc_fpu)
 
 struct cpu_iu_info linux_sparc_chips[] = {
   { 0x17, 0x10, "TI UltraSparc I   (SpitFire)"},
@@ -59,7 +59,7 @@ struct cpu_iu_info linux_sparc_chips[] = {
   { 0x3e, 0x22, "TI UltraSparc IIIi+ (Serrano)"},
 };
 
-#define NSPARCCHIPS  (sizeof(linux_sparc_chips)/sizeof(struct cpu_iu_info))
+#define NSPARCCHIPS  ARRAY_SIZE(linux_sparc_chips)
 
 char *sparc_cpu_type = "cpu-oops";
 char *sparc_fpu_type = "fpu-oops";
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c
index e6a00325075a..e62214354bb5 100644
--- a/arch/sparc64/kernel/ioctl32.c
+++ b/arch/sparc64/kernel/ioctl32.c
@@ -11,33 +11,14 @@
 
 #define INCLUDES
 #include "compat_ioctl.c"
-#include <linux/ncp_fs.h>
 #include <linux/syscalls.h>
 #include <asm/fbio.h>
-#include <asm/kbio.h>
-#include <asm/vuid_event.h>
-#include <asm/envctrl.h>
-#include <asm/display7seg.h>
-#include <asm/openpromio.h>
-#include <asm/audioio.h>
-#include <asm/watchdog.h>
 
 /* Use this to get at 32-bit user passed pointers. 
  * See sys_sparc32.c for description about it.
  */
 #define A(__x) compat_ptr(__x)
 
-static __inline__ void *alloc_user_space(long len)
-{
-	struct pt_regs *regs = current_thread_info()->kregs;
-	unsigned long usp = regs->u_regs[UREG_I6];
-
-	if (!(test_thread_flag(TIF_32BIT)))
-		usp += STACK_BIAS;
-
-	return (void *) (usp - len);
-}
-
 #define CODE
 #include "compat_ioctl.c"
 
@@ -111,361 +92,8 @@ static int fbiogscursor(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return sys_ioctl (fd, FBIOSCURSOR, (unsigned long)p);
 }
 
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-/* This really belongs in include/linux/drm.h -DaveM */
-#include "../../../drivers/char/drm/drm.h"
-
-typedef struct drm32_version {
-	int    version_major;	  /* Major version			    */
-	int    version_minor;	  /* Minor version			    */
-	int    version_patchlevel;/* Patch level			    */
-	int    name_len;	  /* Length of name buffer		    */
-	u32    name;		  /* Name of driver			    */
-	int    date_len;	  /* Length of date buffer		    */
-	u32    date;		  /* User-space buffer to hold date	    */
-	int    desc_len;	  /* Length of desc buffer		    */
-	u32    desc;		  /* User-space buffer to hold desc	    */
-} drm32_version_t;
-#define DRM32_IOCTL_VERSION    DRM_IOWR(0x00, drm32_version_t)
-
-static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_version_t __user *uversion = (drm32_version_t __user *)arg;
-	drm_version_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-	int ret;
-
-	if (clear_user(p, 3 * sizeof(int)) ||
-	    get_user(n, &uversion->name_len) ||
-	    put_user(n, &p->name_len) ||
-	    get_user(addr, &uversion->name) ||
-	    put_user(compat_ptr(addr), &p->name) ||
-	    get_user(n, &uversion->date_len) ||
-	    put_user(n, &p->date_len) ||
-	    get_user(addr, &uversion->date) ||
-	    put_user(compat_ptr(addr), &p->date) ||
-	    get_user(n, &uversion->desc_len) ||
-	    put_user(n, &p->desc_len) ||
-	    get_user(addr, &uversion->desc) ||
-	    put_user(compat_ptr(addr), &p->desc))
-		return -EFAULT;
-
-        ret = sys_ioctl(fd, DRM_IOCTL_VERSION, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (copy_in_user(uversion, p, 3 * sizeof(int)) ||
-	    get_user(n, &p->name_len) ||
-	    put_user(n, &uversion->name_len) ||
-	    get_user(n, &p->date_len) ||
-	    put_user(n, &uversion->date_len) ||
-	    get_user(n, &p->desc_len) ||
-	    put_user(n, &uversion->desc_len))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_unique {
-	int	unique_len;	  /* Length of unique			    */
-	u32	unique;		  /* Unique name for driver instantiation   */
-} drm32_unique_t;
-#define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t)
-#define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t)
-
-static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_unique_t __user *uarg = (drm32_unique_t __user *)arg;
-	drm_unique_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-	int ret;
-
-	if (get_user(n, &uarg->unique_len) ||
-	    put_user(n, &p->unique_len) ||
-	    get_user(addr, &uarg->unique) ||
-	    put_user(compat_ptr(addr), &p->unique))
-		return -EFAULT;
-
-	if (cmd == DRM32_IOCTL_GET_UNIQUE)
-		ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)p);
-	else
-		ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)p);
-
-	if (ret)
-		return ret;
-
-	if (get_user(n, &p->unique_len) || put_user(n, &uarg->unique_len))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_map {
-	u32		offset;	 /* Requested physical address (0 for SAREA)*/
-	u32		size;	 /* Requested physical size (bytes)	    */
-	drm_map_type_t	type;	 /* Type of memory to map		    */
-	drm_map_flags_t flags;	 /* Flags				    */
-	u32		handle;  /* User-space: "Handle" to pass to mmap    */
-				 /* Kernel-space: kernel-virtual address    */
-	int		mtrr;	 /* MTRR slot used			    */
-				 /* Private data			    */
-} drm32_map_t;
-#define DRM32_IOCTL_ADD_MAP    DRM_IOWR(0x15, drm32_map_t)
-
-static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_map_t __user *uarg = (drm32_map_t __user *) arg;
-	drm_map_t karg;
-	mm_segment_t old_fs;
-	u32 tmp;
-	int ret;
-
-	ret  = get_user(karg.offset, &uarg->offset);
-	ret |= get_user(karg.size, &uarg->size);
-	ret |= get_user(karg.type, &uarg->type);
-	ret |= get_user(karg.flags, &uarg->flags);
-	ret |= get_user(tmp, &uarg->handle);
-	ret |= get_user(karg.mtrr, &uarg->mtrr);
-	if (ret)
-		return -EFAULT;
-
-	karg.handle = (void *) (unsigned long) tmp;
-
-	old_fs = get_fs();
-	set_fs(KERNEL_DS);
-	ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg);
-	set_fs(old_fs);
-
-	if (!ret) {
-		ret  = put_user(karg.offset, &uarg->offset);
-		ret |= put_user(karg.size, &uarg->size);
-		ret |= put_user(karg.type, &uarg->type);
-		ret |= put_user(karg.flags, &uarg->flags);
-		tmp = (u32) (long)karg.handle;
-		ret |= put_user(tmp, &uarg->handle);
-		ret |= put_user(karg.mtrr, &uarg->mtrr);
-		if (ret)
-			ret = -EFAULT;
-	}
-
-	return ret;
-}
-
-typedef struct drm32_buf_info {
-	int	       count;	/* Entries in list			     */
-	u32	       list;    /* (drm_buf_desc_t *) */ 
-} drm32_buf_info_t;
-#define DRM32_IOCTL_INFO_BUFS  DRM_IOWR(0x18, drm32_buf_info_t)
-
-static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_buf_info_t __user *uarg = (drm32_buf_info_t __user *)arg;
-	drm_buf_info_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-	int ret;
-
-	if (get_user(n, &uarg->count) || put_user(n, &p->count) ||
-	    get_user(addr, &uarg->list) || put_user(compat_ptr(addr), &p->list))
-		return -EFAULT;
-
-	ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (get_user(n, &p->count) || put_user(n, &uarg->count))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_buf_free {
-	int	       count;
-	u32	       list;	/* (int *) */
-} drm32_buf_free_t;
-#define DRM32_IOCTL_FREE_BUFS  DRM_IOW( 0x1a, drm32_buf_free_t)
-
-static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_buf_free_t __user *uarg = (drm32_buf_free_t __user *)arg;
-	drm_buf_free_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-
-	if (get_user(n, &uarg->count) || put_user(n, &p->count) ||
-	    get_user(addr, &uarg->list) || put_user(compat_ptr(addr), &p->list))
-		return -EFAULT;
-
-	return sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long)p);
-}
-
-typedef struct drm32_buf_pub {
-	int		  idx;	       /* Index into master buflist	     */
-	int		  total;       /* Buffer size			     */
-	int		  used;	       /* Amount of buffer in use (for DMA)  */
-	u32		  address;     /* Address of buffer (void *)	     */
-} drm32_buf_pub_t;
-
-typedef struct drm32_buf_map {
-	int	      count;	/* Length of buflist			    */
-	u32	      virtual;	/* Mmaped area in user-virtual (void *)	    */
-	u32 	      list;	/* Buffer information (drm_buf_pub_t *)	    */
-} drm32_buf_map_t;
-#define DRM32_IOCTL_MAP_BUFS   DRM_IOWR(0x19, drm32_buf_map_t)
-
-static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_buf_map_t __user *uarg = (drm32_buf_map_t __user *)arg;
-	drm32_buf_pub_t __user *ulist;
-	drm_buf_map_t __user *arg64;
-	drm_buf_pub_t __user *list;
-	int orig_count, ret, i;
-	int n;
-	compat_uptr_t addr;
-
-	if (get_user(orig_count, &uarg->count))
-		return -EFAULT;
-
-	arg64 = compat_alloc_user_space(sizeof(drm_buf_map_t) +
-				(size_t)orig_count * sizeof(drm_buf_pub_t));
-	list = (void __user *)(arg64 + 1);
-
-	if (put_user(orig_count, &arg64->count) ||
-	    put_user(list, &arg64->list) ||
-	    get_user(addr, &uarg->virtual) ||
-	    put_user(compat_ptr(addr), &arg64->virtual) ||
-	    get_user(addr, &uarg->list))
-		return -EFAULT;
-
-	ulist = compat_ptr(addr);
-
-	for (i = 0; i < orig_count; i++) {
-		if (get_user(n, &ulist[i].idx) ||
-		    put_user(n, &list[i].idx) ||
-		    get_user(n, &ulist[i].total) ||
-		    put_user(n, &list[i].total) ||
-		    get_user(n, &ulist[i].used) ||
-		    put_user(n, &list[i].used) ||
-		    get_user(addr, &ulist[i].address) ||
-		    put_user(compat_ptr(addr), &list[i].address))
-			return -EFAULT;
-	}
-
-	ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) arg64);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < orig_count; i++) {
-		void __user *p;
-		if (get_user(n, &list[i].idx) ||
-		    put_user(n, &ulist[i].idx) ||
-		    get_user(n, &list[i].total) ||
-		    put_user(n, &ulist[i].total) ||
-		    get_user(n, &list[i].used) ||
-		    put_user(n, &ulist[i].used) ||
-		    get_user(p, &list[i].address) ||
-		    put_user((unsigned long)p, &ulist[i].address))
-			return -EFAULT;
-	}
-
-	if (get_user(n, &arg64->count) || put_user(n, &uarg->count))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_dma {
-				/* Indices here refer to the offset into
-				   buflist in drm_buf_get_t.  */
-	int		context;	  /* Context handle		    */
-	int		send_count;	  /* Number of buffers to send	    */
-	u32		send_indices;	  /* List of handles to buffers (int *) */
-	u32		send_sizes;	  /* Lengths of data to send (int *) */
-	drm_dma_flags_t flags;		  /* Flags			    */
-	int		request_count;	  /* Number of buffers requested    */
-	int		request_size;	  /* Desired size for buffers	    */
-	u32		request_indices;  /* Buffer information (int *)	    */
-	u32		request_sizes;    /* (int *) */
-	int		granted_count;	  /* Number of buffers granted	    */
-} drm32_dma_t;
-#define DRM32_IOCTL_DMA	     DRM_IOWR(0x29, drm32_dma_t)
-
-/* RED PEN	The DRM layer blindly dereferences the send/request
- * 		index/size arrays even though they are userland
- * 		pointers.  -DaveM
- */
-static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_dma_t __user *uarg = (drm32_dma_t __user *) arg;
-	drm_dma_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int ret;
-
-	if (copy_in_user(p, uarg, 2 * sizeof(int)) ||
-	    get_user(addr, &uarg->send_indices) ||
-	    put_user(compat_ptr(addr), &p->send_indices) ||
-	    get_user(addr, &uarg->send_sizes) ||
-	    put_user(compat_ptr(addr), &p->send_sizes) ||
-	    copy_in_user(&p->flags, &uarg->flags, sizeof(drm_dma_flags_t)) ||
-	    copy_in_user(&p->request_count, &uarg->request_count, sizeof(int))||
-	    copy_in_user(&p->request_size, &uarg->request_size, sizeof(int)) ||
-	    get_user(addr, &uarg->request_indices) ||
-	    put_user(compat_ptr(addr), &p->request_indices) ||
-	    get_user(addr, &uarg->request_sizes) ||
-	    put_user(compat_ptr(addr), &p->request_sizes) ||
-	    copy_in_user(&p->granted_count, &uarg->granted_count, sizeof(int)))
-		return -EFAULT;
-
-	ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (copy_in_user(uarg, p, 2 * sizeof(int)) ||
-	    copy_in_user(&uarg->flags, &p->flags, sizeof(drm_dma_flags_t)) ||
-	    copy_in_user(&uarg->request_count, &p->request_count, sizeof(int))||
-	    copy_in_user(&uarg->request_size, &p->request_size, sizeof(int)) ||
-	    copy_in_user(&uarg->granted_count, &p->granted_count, sizeof(int)))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_ctx_res {
-	int		count;
-	u32		contexts; /* (drm_ctx_t *) */
-} drm32_ctx_res_t;
-#define DRM32_IOCTL_RES_CTX    DRM_IOWR(0x26, drm32_ctx_res_t)
-
-static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_ctx_res_t __user *uarg = (drm32_ctx_res_t __user *) arg;
-	drm_ctx_res_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int ret;
-
-	if (copy_in_user(p, uarg, sizeof(int)) ||
-	    get_user(addr, &uarg->contexts) ||
-	    put_user(compat_ptr(addr), &p->contexts))
-		return -EFAULT;
-
-	ret = sys_ioctl(fd, DRM_IOCTL_RES_CTX, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (copy_in_user(uarg, p, sizeof(int)))
-		return -EFAULT;
-
-	return 0;
-}
-
-#endif
-
-typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, struct file *);
-
 #define COMPATIBLE_IOCTL(cmd)		HANDLE_IOCTL((cmd),sys_ioctl)
-#define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl32_handler_t)(handler), NULL },
+#define HANDLE_IOCTL(cmd,handler)	{ (cmd), (ioctl_trans_handler_t)(handler), NULL },
 #define IOCTL_TABLE_START \
 	struct ioctl_trans ioctl_start[] = {
 #define IOCTL_TABLE_END \
@@ -485,103 +113,12 @@ COMPATIBLE_IOCTL(FBIOSCURPOS)
 COMPATIBLE_IOCTL(FBIOGCURPOS)
 COMPATIBLE_IOCTL(FBIOGCURMAX)
 /* Little k */
-COMPATIBLE_IOCTL(KIOCTYPE)
-COMPATIBLE_IOCTL(KIOCLAYOUT)
-COMPATIBLE_IOCTL(KIOCGTRANS)
-COMPATIBLE_IOCTL(KIOCTRANS)
-COMPATIBLE_IOCTL(KIOCCMD)
-COMPATIBLE_IOCTL(KIOCSDIRECT)
-COMPATIBLE_IOCTL(KIOCSLED)
-COMPATIBLE_IOCTL(KIOCGLED)
-COMPATIBLE_IOCTL(KIOCSRATE)
-COMPATIBLE_IOCTL(KIOCGRATE)
-COMPATIBLE_IOCTL(VUIDSFORMAT)
-COMPATIBLE_IOCTL(VUIDGFORMAT)
 /* Little v, the video4linux ioctls */
-COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
-COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
-COMPATIBLE_IOCTL(ENVCTRL_RD_WARNING_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_SHUTDOWN_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_CPU_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_FAN_STATUS)
-COMPATIBLE_IOCTL(ENVCTRL_RD_VOLTAGE_STATUS)
-COMPATIBLE_IOCTL(ENVCTRL_RD_SCSI_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_ETHERNET_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_MTHRBD_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_CPU_VOLTAGE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_GLOBALADDRESS)
-/* COMPATIBLE_IOCTL(D7SIOCRD) same value as ENVCTRL_RD_VOLTAGE_STATUS */
-COMPATIBLE_IOCTL(D7SIOCWR)
-COMPATIBLE_IOCTL(D7SIOCTM)
-/* OPENPROMIO, SunOS/Solaris only, the NetBSD one's have
- * embedded pointers in the arg which we'd need to clean up...
- */
-COMPATIBLE_IOCTL(OPROMGETOPT)
-COMPATIBLE_IOCTL(OPROMSETOPT)
-COMPATIBLE_IOCTL(OPROMNXTOPT)
-COMPATIBLE_IOCTL(OPROMSETOPT2)
-COMPATIBLE_IOCTL(OPROMNEXT)
-COMPATIBLE_IOCTL(OPROMCHILD)
-COMPATIBLE_IOCTL(OPROMGETPROP)
-COMPATIBLE_IOCTL(OPROMNXTPROP)
-COMPATIBLE_IOCTL(OPROMU2P)
-COMPATIBLE_IOCTL(OPROMGETCONS)
-COMPATIBLE_IOCTL(OPROMGETFBNAME)
-COMPATIBLE_IOCTL(OPROMGETBOOTARGS)
-COMPATIBLE_IOCTL(OPROMSETCUR)
-COMPATIBLE_IOCTL(OPROMPCI2NODE)
-COMPATIBLE_IOCTL(OPROMPATH2NODE)
-/* Big L */
-COMPATIBLE_IOCTL(LOOP_SET_STATUS64)
-COMPATIBLE_IOCTL(LOOP_GET_STATUS64)
-/* Big A */
-COMPATIBLE_IOCTL(AUDIO_GETINFO)
-COMPATIBLE_IOCTL(AUDIO_SETINFO)
-COMPATIBLE_IOCTL(AUDIO_DRAIN)
-COMPATIBLE_IOCTL(AUDIO_GETDEV)
-COMPATIBLE_IOCTL(AUDIO_GETDEV_SUNOS)
-COMPATIBLE_IOCTL(AUDIO_FLUSH)
-COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI)
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-COMPATIBLE_IOCTL(DRM_IOCTL_GET_MAGIC)
-COMPATIBLE_IOCTL(DRM_IOCTL_IRQ_BUSID)
-COMPATIBLE_IOCTL(DRM_IOCTL_AUTH_MAGIC)
-COMPATIBLE_IOCTL(DRM_IOCTL_BLOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_UNBLOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_CONTROL)
-COMPATIBLE_IOCTL(DRM_IOCTL_ADD_BUFS)
-COMPATIBLE_IOCTL(DRM_IOCTL_MARK_BUFS)
-COMPATIBLE_IOCTL(DRM_IOCTL_ADD_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_RM_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_MOD_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_GET_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_SWITCH_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_NEW_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_ADD_DRAW)
-COMPATIBLE_IOCTL(DRM_IOCTL_RM_DRAW)
-COMPATIBLE_IOCTL(DRM_IOCTL_LOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_UNLOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_FINISH)
-#endif /* DRM */
-COMPATIBLE_IOCTL(WIOCSTART)
-COMPATIBLE_IOCTL(WIOCSTOP)
-COMPATIBLE_IOCTL(WIOCGSTAT)
 /* And these ioctls need translation */
 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
 HANDLE_IOCTL(FBIOPUTCMAP32, fbiogetputcmap)
 HANDLE_IOCTL(FBIOGETCMAP32, fbiogetputcmap)
 HANDLE_IOCTL(FBIOSCURSOR32, fbiogscursor)
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-HANDLE_IOCTL(DRM32_IOCTL_VERSION, drm32_version)
-HANDLE_IOCTL(DRM32_IOCTL_GET_UNIQUE, drm32_getsetunique)
-HANDLE_IOCTL(DRM32_IOCTL_SET_UNIQUE, drm32_getsetunique)
-HANDLE_IOCTL(DRM32_IOCTL_ADD_MAP, drm32_addmap)
-HANDLE_IOCTL(DRM32_IOCTL_INFO_BUFS, drm32_info_bufs)
-HANDLE_IOCTL(DRM32_IOCTL_FREE_BUFS, drm32_free_bufs)
-HANDLE_IOCTL(DRM32_IOCTL_MAP_BUFS, drm32_map_bufs)
-HANDLE_IOCTL(DRM32_IOCTL_DMA, drm32_dma)
-HANDLE_IOCTL(DRM32_IOCTL_RES_CTX, drm32_res_ctx)
-#endif /* DRM */
 #if 0
 HANDLE_IOCTL(RTC32_IRQP_READ, do_rtc_ioctl)
 HANDLE_IOCTL(RTC32_IRQP_SET, do_rtc_ioctl)
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 7d10b0397091..02f9dec1d459 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -74,7 +74,9 @@ void cpu_idle(void)
 		while (!need_resched())
 			barrier();
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 		check_pgt_cache();
 	}
 }
@@ -83,21 +85,31 @@ void cpu_idle(void)
 
 /*
  * the idle loop on a UltraMultiPenguin...
+ *
+ * TIF_POLLING_NRFLAG is set because we do not sleep the cpu
+ * inside of the idler task, so an interrupt is not needed
+ * to get a clean fast response.
+ *
+ * XXX Reverify this assumption... -DaveM
+ *
+ * Addendum: We do want it to do something for the signal
+ *           delivery case, we detect that by just seeing
+ *           if we are trying to send this to an idler or not.
  */
-#define idle_me_harder()	(cpu_data(smp_processor_id()).idle_volume += 1)
-#define unidle_me()		(cpu_data(smp_processor_id()).idle_volume = 0)
 void cpu_idle(void)
 {
+	cpuinfo_sparc *cpuinfo = &local_cpu_data();
 	set_thread_flag(TIF_POLLING_NRFLAG);
+
 	while(1) {
 		if (need_resched()) {
-			unidle_me();
-			clear_thread_flag(TIF_POLLING_NRFLAG);
+			cpuinfo->idle_volume = 0;
+			preempt_enable_no_resched();
 			schedule();
-			set_thread_flag(TIF_POLLING_NRFLAG);
+			preempt_disable();
 			check_pgt_cache();
 		}
-		idle_me_harder();
+		cpuinfo->idle_volume++;
 
 		/* The store ordering is so that IRQ handlers on
 		 * other cpus see our increasing idleness for the buddy
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index e09ddf927655..96b825055668 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -790,7 +790,7 @@ static unsigned long sysio_irq_offsets[] = {
 
 #undef bogon
 
-#define NUM_SYSIO_OFFSETS (sizeof(sysio_irq_offsets) / sizeof(sysio_irq_offsets[0]))
+#define NUM_SYSIO_OFFSETS ARRAY_SIZE(sysio_irq_offsets)
 
 /* Convert Interrupt Mapping register pointer to associated
  * Interrupt Clear register pointer, SYSIO specific version.
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index c1f34237cdf2..bf1849dd9c49 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -154,6 +154,7 @@ int prom_callback(long *args)
 			pud_t *pudp;
 			pmd_t *pmdp;
 			pte_t *ptep;
+			pte_t pte;
 
 			for_each_process(p) {
 				mm = p->mm;
@@ -178,8 +179,9 @@ int prom_callback(long *args)
 			 * being called from inside OBP.
 			 */
 			ptep = pte_offset_map(pmdp, va);
-			if (pte_present(*ptep)) {
-				tte = pte_val(*ptep);
+			pte = *ptep;
+			if (pte_present(pte)) {
+				tte = pte_val(pte);
 				res = PROM_TRUE;
 			}
 			pte_unmap(ptep);
@@ -218,6 +220,7 @@ int prom_callback(long *args)
 			pud_t *pudp;
 			pmd_t *pmdp;
 			pte_t *ptep;
+			pte_t pte;
 			int error;
 
 			if ((va >= LOW_OBP_ADDRESS) && (va < HI_OBP_ADDRESS)) {
@@ -240,8 +243,9 @@ int prom_callback(long *args)
 			 * being called from inside OBP.
 			 */
 			ptep = pte_offset_kernel(pmdp, va);
-			if (pte_present(*ptep)) {
-				tte = pte_val(*ptep);
+			pte = *ptep;
+			if (pte_present(pte)) {
+				tte = pte_val(pte);
 				res = PROM_TRUE;
 			}
 			goto done;
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c
index aecccd0df1d1..009a86e5ded4 100644
--- a/arch/sparc64/kernel/signal32.c
+++ b/arch/sparc64/kernel/signal32.c
@@ -863,6 +863,7 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
 		pud_t *pudp = pud_offset(pgdp, address);
 		pmd_t *pmdp = pmd_offset(pudp, address);
 		pte_t *ptep;
+		pte_t pte;
 
 		regs->u_regs[UREG_I7] = (unsigned long) (&(sf->insns[0]) - 2);
 	
@@ -873,9 +874,10 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
 
 		preempt_disable();
 		ptep = pte_offset_map(pmdp, address);
-		if (pte_present(*ptep)) {
+		pte = *ptep;
+		if (pte_present(pte)) {
 			unsigned long page = (unsigned long)
-				page_address(pte_page(*ptep));
+				page_address(pte_page(pte));
 
 			wmb();
 			__asm__ __volatile__("flush	%0 + %1"
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index b137fd63f5e1..797a65493fb8 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -168,6 +168,9 @@ void __init smp_callin(void)
 		rmb();
 
 	cpu_set(cpuid, cpu_online_map);
+
+	/* idle thread is expected to have preempt disabled */
+	preempt_disable();
 }
 
 void cpu_panic(void)
@@ -839,43 +842,29 @@ void smp_flush_tlb_all(void)
  *    questionable (in theory the big win for threads is the massive sharing of
  *    address space state across processors).
  */
+
+/* This currently is only used by the hugetlb arch pre-fault
+ * hook on UltraSPARC-III+ and later when changing the pagesize
+ * bits of the context register for an address space.
+ */
 void smp_flush_tlb_mm(struct mm_struct *mm)
 {
-        /*
-         * This code is called from two places, dup_mmap and exit_mmap. In the
-         * former case, we really need a flush. In the later case, the callers
-         * are single threaded exec_mmap (really need a flush), multithreaded
-         * exec_mmap case (do not need to flush, since the caller gets a new
-         * context via activate_mm), and all other callers of mmput() whence
-         * the flush can be optimized since the associated threads are dead and
-         * the mm is being torn down (__exit_mm and other mmput callers) or the
-         * owning thread is dissociating itself from the mm. The
-         * (atomic_read(&mm->mm_users) == 0) check ensures real work is done
-         * for single thread exec and dup_mmap cases. An alternate check might
-         * have been (current->mm != mm).
-         *                                              Kanoj Sarcar
-         */
-        if (atomic_read(&mm->mm_users) == 0)
-                return;
-
-	{
-		u32 ctx = CTX_HWBITS(mm->context);
-		int cpu = get_cpu();
+	u32 ctx = CTX_HWBITS(mm->context);
+	int cpu = get_cpu();
 
-		if (atomic_read(&mm->mm_users) == 1) {
-			mm->cpu_vm_mask = cpumask_of_cpu(cpu);
-			goto local_flush_and_out;
-		}
+	if (atomic_read(&mm->mm_users) == 1) {
+		mm->cpu_vm_mask = cpumask_of_cpu(cpu);
+		goto local_flush_and_out;
+	}
 
-		smp_cross_call_masked(&xcall_flush_tlb_mm,
-				      ctx, 0, 0,
-				      mm->cpu_vm_mask);
+	smp_cross_call_masked(&xcall_flush_tlb_mm,
+			      ctx, 0, 0,
+			      mm->cpu_vm_mask);
 
-	local_flush_and_out:
-		__flush_tlb_mm(ctx, SECONDARY_CONTEXT);
+local_flush_and_out:
+	__flush_tlb_mm(ctx, SECONDARY_CONTEXT);
 
-		put_cpu();
-	}
+	put_cpu();
 }
 
 void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long *vaddrs)
@@ -883,34 +872,13 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
 	u32 ctx = CTX_HWBITS(mm->context);
 	int cpu = get_cpu();
 
-	if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1) {
+	if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1)
 		mm->cpu_vm_mask = cpumask_of_cpu(cpu);
-		goto local_flush_and_out;
-	} else {
-		/* This optimization is not valid.  Normally
-		 * we will be holding the page_table_lock, but
-		 * there is an exception which is copy_page_range()
-		 * when forking.  The lock is held during the individual
-		 * page table updates in the parent, but not at the
-		 * top level, which is where we are invoked.
-		 */
-		if (0) {
-			cpumask_t this_cpu_mask = cpumask_of_cpu(cpu);
-
-			/* By virtue of running under the mm->page_table_lock,
-			 * and mmu_context.h:switch_mm doing the same, the
-			 * following operation is safe.
-			 */
-			if (cpus_equal(mm->cpu_vm_mask, this_cpu_mask))
-				goto local_flush_and_out;
-		}
-	}
-
-	smp_cross_call_masked(&xcall_flush_tlb_pending,
-			      ctx, nr, (unsigned long) vaddrs,
-			      mm->cpu_vm_mask);
+	else
+		smp_cross_call_masked(&xcall_flush_tlb_pending,
+				      ctx, nr, (unsigned long) vaddrs,
+				      mm->cpu_vm_mask);
 
-local_flush_and_out:
 	__flush_tlb_pending(ctx, nr, vaddrs);
 
 	put_cpu();
@@ -1184,20 +1152,9 @@ void __init smp_cpus_done(unsigned int max_cpus)
 	       (bogosum/(5000/HZ))%100);
 }
 
-/* This needn't do anything as we do not sleep the cpu
- * inside of the idler task, so an interrupt is not needed
- * to get a clean fast response.
- *
- * XXX Reverify this assumption... -DaveM
- *
- * Addendum: We do want it to do something for the signal
- *           delivery case, we detect that by just seeing
- *           if we are trying to send this to an idler or not.
- */
 void smp_send_reschedule(int cpu)
 {
-	if (cpu_data(cpu).idle_volume == 0)
-		smp_receive_signal(cpu);
+	smp_receive_signal(cpu);
 }
 
 /* This is a nop because we capture all other cpus
diff --git a/arch/sparc64/kernel/sunos_ioctl32.c b/arch/sparc64/kernel/sunos_ioctl32.c
index 7654b8a7f03a..3f619ead22cc 100644
--- a/arch/sparc64/kernel/sunos_ioctl32.c
+++ b/arch/sparc64/kernel/sunos_ioctl32.c
@@ -24,7 +24,6 @@
 #include <linux/smp_lock.h>
 #include <linux/syscalls.h>
 #include <linux/compat.h>
-#include <asm/kbio.h>
 
 #define SUNOS_NR_OPEN	256
 
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 38c5525087a2..459c8fbe02b4 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -60,17 +60,6 @@ static void __iomem *mstk48t59_regs;
 
 static int set_rtc_mmss(unsigned long);
 
-static __init unsigned long dummy_get_tick(void)
-{
-	return 0;
-}
-
-static __initdata struct sparc64_tick_ops dummy_tick_ops = {
-	.get_tick	= dummy_get_tick,
-};
-
-struct sparc64_tick_ops *tick_ops __read_mostly = &dummy_tick_ops;
-
 #define TICK_PRIV_BIT	(1UL << 63)
 
 #ifdef CONFIG_SMP
@@ -200,6 +189,8 @@ static struct sparc64_tick_ops tick_operations __read_mostly = {
 	.softint_mask	=	1UL << 0,
 };
 
+struct sparc64_tick_ops *tick_ops __read_mostly = &tick_operations;
+
 static void stick_init_tick(unsigned long offset)
 {
 	tick_disable_protection();
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 31fbc67719a1..6f0539aa44d0 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -30,8 +30,6 @@
 #include <asm/sections.h>
 #include <asm/kdebug.h>
 
-#define ELEMENTS(arr) (sizeof (arr)/sizeof (arr[0]))
-
 /*
  * To debug kernel to catch accesses to certain virtual/physical addresses.
  * Mode = 0 selects physical watchpoints, mode = 1 selects virtual watchpoints.
@@ -109,7 +107,7 @@ static void bad_kernel_pc(struct pt_regs *regs)
  * this. Additionally, to prevent kswapd from ripping ptes from
  * under us, raise interrupts around the time that we look at the
  * pte, kswapd will have to wait to get his smp ipi response from
- * us. This saves us having to get page_table_lock.
+ * us. vmtruncate likewise. This saves us having to get pte lock.
  */
 static unsigned int get_user_insn(unsigned long tpc)
 {
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index fe865d9a3721..4cf31a2ae19c 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -243,34 +243,18 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
 	return err;
 }
 
-static int uml_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
-	static const struct ethtool_drvinfo info = {
-		.cmd     = ETHTOOL_GDRVINFO,
-		.driver  = DRIVER_NAME,
-		.version = "42",
-	};
-	void *useraddr;
-	u32 ethcmd;
-
-	switch (cmd) {
-	case SIOCETHTOOL:
-		useraddr = ifr->ifr_data;
-		if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
-			return -EFAULT;
-		switch (ethcmd) {
-		case ETHTOOL_GDRVINFO:
-			if (copy_to_user(useraddr, &info, sizeof(info)))
-				return -EFAULT;
-			return 0;
-		default:
-			return -EOPNOTSUPP;
-		}
-	default:
-		return -EINVAL;
-	}
+static void uml_net_get_drvinfo(struct net_device *dev,
+				struct ethtool_drvinfo *info)
+{
+	strcpy(info->driver, DRIVER_NAME);
+	strcpy(info->version, "42");
 }
 
+static struct ethtool_ops uml_net_ethtool_ops = {
+	.get_drvinfo	= uml_net_get_drvinfo,
+	.get_link	= ethtool_op_get_link,
+};
+
 void uml_net_user_timer_expire(unsigned long _conn)
 {
 #ifdef undef
@@ -359,7 +343,7 @@ static int eth_configure(int n, void *init, char *mac,
 	dev->tx_timeout = uml_net_tx_timeout;
 	dev->set_mac_address = uml_net_set_mac;
 	dev->change_mtu = uml_net_change_mtu;
-	dev->do_ioctl = uml_net_ioctl;
+	dev->ethtool_ops = &uml_net_ethtool_ops;
 	dev->watchdog_timeo = (HZ >> 1);
 	dev->irq = UM_ETH_IRQ;
 
diff --git a/arch/v850/kernel/process.c b/arch/v850/kernel/process.c
index 9c708c32c1f0..39cf247cdae4 100644
--- a/arch/v850/kernel/process.c
+++ b/arch/v850/kernel/process.c
@@ -36,11 +36,8 @@ extern void ret_from_fork (void);
 /* The idle loop.  */
 void default_idle (void)
 {
-	while (1) {
-		while (! need_resched ())
-			asm ("halt; nop; nop; nop; nop; nop" ::: "cc");
-		schedule ();
-	}
+	while (! need_resched ())
+		asm ("halt; nop; nop; nop; nop; nop" ::: "cc");
 }
 
 void (*idle)(void) = default_idle;
@@ -54,7 +51,14 @@ void (*idle)(void) = default_idle;
 void cpu_idle (void)
 {
 	/* endless idle loop with no priority at all */
-	(*idle) ();
+	while (1) {
+		while (!need_resched())
+			(*idle) ();
+
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+	}
 }
 
 /*
diff --git a/arch/x86_64/ia32/ia32_ioctl.c b/arch/x86_64/ia32/ia32_ioctl.c
index 4ba0e293d5e5..e335bd0b637d 100644
--- a/arch/x86_64/ia32/ia32_ioctl.c
+++ b/arch/x86_64/ia32/ia32_ioctl.c
@@ -64,12 +64,6 @@ struct ioctl_trans ioctl_start[] = {
 #include <linux/compat_ioctl.h>
 #define DECLARES
 #include "compat_ioctl.c"
-COMPATIBLE_IOCTL(HDIO_SET_KEEPSETTINGS)
-COMPATIBLE_IOCTL(HDIO_SCAN_HWIF)
-COMPATIBLE_IOCTL(BLKRASET)
-COMPATIBLE_IOCTL(0x4B50)   /* KDGHWCLK - not in the kernel, but don't complain */
-COMPATIBLE_IOCTL(0x4B51)   /* KDSHWCLK - not in the kernel, but don't complain */
-COMPATIBLE_IOCTL(FIOQSIZE)
 
 /* And these ioctls need translation */
 /* realtime device */
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index b5a89c0bdf59..59be85d9a4bc 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -86,12 +86,22 @@ EXPORT_SYMBOL(enable_hlt);
  */
 void default_idle(void)
 {
+	local_irq_enable();
+
 	if (!atomic_read(&hlt_counter)) {
-		local_irq_disable();
-		if (!need_resched())
-			safe_halt();
-		else
-			local_irq_enable();
+		clear_thread_flag(TIF_POLLING_NRFLAG);
+		smp_mb__after_clear_bit();
+		while (!need_resched()) {
+			local_irq_disable();
+			if (!need_resched())
+				safe_halt();
+			else
+				local_irq_enable();
+		}
+		set_thread_flag(TIF_POLLING_NRFLAG);
+	} else {
+		while (!need_resched())
+			cpu_relax();
 	}
 }
 
@@ -102,30 +112,16 @@ void default_idle(void)
  */
 static void poll_idle (void)
 {
-	int oldval;
-
 	local_irq_enable();
 
-	/*
-	 * Deal with another CPU just having chosen a thread to
-	 * run here:
-	 */
-	oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
-
-	if (!oldval) {
-		set_thread_flag(TIF_POLLING_NRFLAG); 
-		asm volatile(
-			"2:"
-			"testl %0,%1;"
-			"rep; nop;"
-			"je 2b;"
-			: :
-			"i" (_TIF_NEED_RESCHED), 
-			"m" (current_thread_info()->flags));
-		clear_thread_flag(TIF_POLLING_NRFLAG);
-	} else {
-		set_need_resched();
-	}
+	asm volatile(
+		"2:"
+		"testl %0,%1;"
+		"rep; nop;"
+		"je 2b;"
+		: :
+		"i" (_TIF_NEED_RESCHED),
+		"m" (current_thread_info()->flags));
 }
 
 void cpu_idle_wait(void)
@@ -187,6 +183,8 @@ static inline void play_dead(void)
  */
 void cpu_idle (void)
 {
+	set_thread_flag(TIF_POLLING_NRFLAG);
+
 	/* endless idle loop with no priority at all */
 	while (1) {
 		while (!need_resched()) {
@@ -204,7 +202,9 @@ void cpu_idle (void)
 			idle();
 		}
 
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
@@ -219,15 +219,12 @@ static void mwait_idle(void)
 {
 	local_irq_enable();
 
-	if (!need_resched()) {
-		set_thread_flag(TIF_POLLING_NRFLAG);
-		do {
-			__monitor((void *)&current_thread_info()->flags, 0, 0);
-			if (need_resched())
-				break;
-			__mwait(0, 0);
-		} while (!need_resched());
-		clear_thread_flag(TIF_POLLING_NRFLAG);
+	while (!need_resched()) {
+		__monitor((void *)&current_thread_info()->flags, 0, 0);
+		smp_mb();
+		if (need_resched())
+			break;
+		__mwait(0, 0);
 	}
 }
 
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 4b5b088ec102..c4e59bbdc187 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -472,6 +472,7 @@ void __cpuinit start_secondary(void)
 	 * things done here to the most necessary things.
 	 */
 	cpu_init();
+	preempt_disable();
 	smp_callin();
 
 	/* otherwise gcc will move up the smp_processor_id before the cpu_init */
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 08ef6d82ee51..6a44b54ae817 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -96,8 +96,9 @@ void cpu_idle(void)
 	while (1) {
 		while (!need_resched())
 			platform_idle();
-		preempt_enable();
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
diff --git a/arch/xtensa/platform-iss/network.c b/arch/xtensa/platform-iss/network.c
index 0682ffd38175..96b9bb4a478d 100644
--- a/arch/xtensa/platform-iss/network.c
+++ b/arch/xtensa/platform-iss/network.c
@@ -611,38 +611,6 @@ static int iss_net_change_mtu(struct net_device *dev, int new_mtu)
 	return -EINVAL;
 }
 
-static int iss_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
-#if 0
-	static const struct ethtool_drvinfo info = {
-		.cmd     = ETHTOOL_GDRVINFO,
-		.driver  = DRIVER_NAME,
-		.version = "42",
-	};
-	void *useraddr;
-	u32 ethcmd;
-
-	switch (cmd) {
-	case SIOCETHTOOL:
-		useraddr = ifr->ifr_data;
-		if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
-			return -EFAULT;
-
-		switch (ethcmd) {
-			case ETHTOOL_GDRVINFO:
-				if (copy_to_user(useraddr, &info, sizeof(info)))
-					return -EFAULT;
-				return 0;
-			default:
-				return -EOPNOTSUPP;
-		}
-	default:
-		return -EINVAL;
-	}
-#endif
-	return -EINVAL;
-}
-
 void iss_net_user_timer_expire(unsigned long _conn)
 {
 }
@@ -730,7 +698,6 @@ static int iss_net_configure(int index, char *init)
 	dev->tx_timeout = iss_net_tx_timeout;
 	dev->set_mac_address = iss_net_set_mac;
 	dev->change_mtu = iss_net_change_mtu;
-	dev->do_ioctl = iss_net_ioctl;
 	dev->watchdog_timeo = (HZ >> 1);
 	dev->irq = -1;