Merge branch 'linus' into cpus4096

15 files changed, 53 insertions, 26 deletions

diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 47ccec95f3e8..ef12794c3c68 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -630,7 +630,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 		return -ENOMEM;
 
 	sachip->clk = clk_get(me, "SA1111_CLK");
-	if (!sachip->clk) {
+	if (IS_ERR(sachip->clk)) {
 		ret = PTR_ERR(sachip->clk);
 		goto err_free;
 	}
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index c74f766ffc12..23af3c972c9a 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -115,6 +115,8 @@ EXPORT_SYMBOL(__strnlen_user);
 EXPORT_SYMBOL(__strncpy_from_user);
 
 #ifdef CONFIG_MMU
+EXPORT_SYMBOL(copy_page);
+
 EXPORT_SYMBOL(__copy_from_user);
 EXPORT_SYMBOL(__copy_to_user);
 EXPORT_SYMBOL(__clear_user);
@@ -181,8 +183,6 @@ EXPORT_SYMBOL(_find_first_bit_be);
 EXPORT_SYMBOL(_find_next_bit_be);
 #endif
 
-EXPORT_SYMBOL(copy_page);
-
 #ifdef CONFIG_FUNCTION_TRACER
 EXPORT_SYMBOL(mcount);
 #endif
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 57e6874d0b80..79abc4ddc0cf 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -18,6 +18,7 @@
 #include <linux/personality.h>
 #include <linux/kallsyms.h>
 #include <linux/delay.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/uaccess.h>
 
diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h
index 7b8842cfa5fc..31e6a7b6ad80 100644
--- a/arch/arm/mach-pxa/include/mach/reset.h
+++ b/arch/arm/mach-pxa/include/mach/reset.h
@@ -12,9 +12,8 @@ extern void clear_reset_status(unsigned int mask);
 
 /**
  * init_gpio_reset() - register GPIO as reset generator
- *
- * @gpio - gpio nr
- * @output - set gpio as out/low instead of input during normal work
+ * @gpio: gpio nr
+ * @output: set gpio as out/low instead of input during normal work
  */
 extern int init_gpio_reset(int gpio, int output);
 
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 2df8d9facf57..22c9530e91e2 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/signal.h>
 #include <linux/mm.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>
diff --git a/arch/ia64/hp/sim/Kconfig b/arch/ia64/hp/sim/Kconfig
index f92306bbedb8..8d513a8c5266 100644
--- a/arch/ia64/hp/sim/Kconfig
+++ b/arch/ia64/hp/sim/Kconfig
@@ -4,6 +4,7 @@ menu "HP Simulator drivers"
 
 config HP_SIMETH
 	bool "Simulated Ethernet "
+	depends on NET
 
 config HP_SIMSERIAL
 	bool "Simulated serial driver support"
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index bdc8b0e860e5..d108715129e2 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -479,6 +479,8 @@ _GLOBAL(_tlbil_pid)
  * (no broadcast)
  */
 _GLOBAL(_tlbil_va)
+	mfmsr	r10
+	wrteei	0
 	slwi	r4,r4,16
 	mtspr	SPRN_MAS6,r4		/* assume AS=0 for now */
 	tlbsx	0,r3
@@ -490,6 +492,7 @@ _GLOBAL(_tlbil_va)
 	tlbwe
 	msync
 	isync
+	wrtee	r10
 	blr
 #endif /* CONFIG_FSL_BOOKE */
 
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 7bbf4e4ed430..f0c3b88d50fa 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -507,6 +507,9 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 {
 	struct hstate *hstate = hstate_file(file);
 	int mmu_psize = shift_to_mmu_psize(huge_page_shift(hstate));
+
+	if (!mmu_huge_psizes[mmu_psize])
+		return -EINVAL;
 	return slice_get_unmapped_area(addr, len, flags, mmu_psize, 1, 0);
 }
 
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index a8397bbad3d4..cf81049e1e51 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -901,10 +901,17 @@ static void mark_reserved_regions_for_nid(int nid)
 			if (end_pfn > node_ar.end_pfn)
 				reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
 					- (start_pfn << PAGE_SHIFT);
-			dbg("reserve_bootmem %lx %lx nid=%d\n", physbase,
-				reserve_size, node_ar.nid);
-			reserve_bootmem_node(NODE_DATA(node_ar.nid), physbase,
-						reserve_size, BOOTMEM_DEFAULT);
+			/*
+			 * Only worry about *this* node, others may not
+			 * yet have valid NODE_DATA().
+			 */
+			if (node_ar.nid == nid) {
+				dbg("reserve_bootmem %lx %lx nid=%d\n",
+					physbase, reserve_size, node_ar.nid);
+				reserve_bootmem_node(NODE_DATA(node_ar.nid),
+						physbase, reserve_size,
+						BOOTMEM_DEFAULT);
+			}
 			/*
 			 * if reserved region is contained in the active region
 			 * then done.
@@ -929,7 +936,6 @@ static void mark_reserved_regions_for_nid(int nid)
 void __init do_init_bootmem(void)
 {
 	int nid;
-	unsigned int i;
 
 	min_low_pfn = 0;
 	max_low_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 442cf36aa172..0ce45c2b42f8 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -413,6 +413,9 @@ static int axon_msi_probe(struct of_device *device,
 			MSIC_CTRL_IRQ_ENABLE | MSIC_CTRL_ENABLE |
 			MSIC_CTRL_FIFO_SIZE);
 
+	msic->read_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG)
+				& MSIC_FIFO_SIZE_MASK;
+
 	device->dev.platform_data = msic;
 
 	ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs;
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 80119b3398e7..5c9cbfc14c4d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -55,6 +55,8 @@ config GENERIC_HARDIRQS
 
 config GENERIC_HARDIRQS_NO__DO_IRQ
 	def_bool y
+	depends on SUPERH32 && (!SH_DREAMCAST && !SH_SH4202_MICRODEV && \
+				!SH_7751_SYSTEMH && !HD64461)
 
 config GENERIC_IRQ_PROBE
 	def_bool y
diff --git a/arch/x86/include/asm/vmi.h b/arch/x86/include/asm/vmi.h
index b7c0dea119fe..61e08c0a2907 100644
--- a/arch/x86/include/asm/vmi.h
+++ b/arch/x86/include/asm/vmi.h
@@ -223,9 +223,15 @@ struct pci_header {
 } __attribute__((packed));
 
 /* Function prototypes for bootstrapping */
+#ifdef CONFIG_VMI
 extern void vmi_init(void);
+extern void vmi_activate(void);
 extern void vmi_bringup(void);
-extern void vmi_apply_boot_page_allocations(void);
+#else
+static inline void vmi_init(void) {}
+static inline void vmi_activate(void) {}
+static inline void vmi_bringup(void) {}
+#endif
 
 /* State needed to start an application processor in an SMP system. */
 struct vmi_ap_state {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b9018955a04f..32fe42f26e79 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -807,6 +807,9 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_INFO "Command line: %s\n", boot_command_line);
 #endif
 
+	/* VMI may relocate the fixmap; do this before touching ioremap area */
+	vmi_init();
+
 	early_cpu_init();
 	early_ioremap_init();
 
@@ -893,13 +896,8 @@ void __init setup_arch(char **cmdline_p)
 	check_efer();
 #endif
 
-#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
-	/*
-	 * Must be before kernel pagetables are setup
-	 * or fixmap area is touched.
-	 */
-	vmi_init();
-#endif
+	/* Must be before kernel pagetables are setup */
+	vmi_activate();
 
 	/* after early param, so could get panic from serial */
 	reserve_early_setup_data();
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 9d58134e0231..199dcbb73d37 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -289,9 +289,7 @@ static void __cpuinit start_secondary(void *unused)
 	 * fragile that we want to limit the things done here to the
 	 * most necessary things.
 	 */
-#ifdef CONFIG_VMI
 	vmi_bringup();
-#endif
 	cpu_init();
 	preempt_disable();
 	smp_callin();
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 8b6c393ab9fd..22fd6577156a 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -960,8 +960,6 @@ static inline int __init activate_vmi(void)
 
 void __init vmi_init(void)
 {
-	unsigned long flags;
-
 	if (!vmi_rom)
 		probe_vmi_rom();
 	else
@@ -973,13 +971,21 @@ void __init vmi_init(void)
 
 	reserve_top_address(-vmi_rom->virtual_top);
 
-	local_irq_save(flags);
-	activate_vmi();
-
 #ifdef CONFIG_X86_IO_APIC
 	/* This is virtual hardware; timer routing is wired correctly */
 	no_timer_check = 1;
 #endif
+}
+
+void vmi_activate(void)
+{
+	unsigned long flags;
+
+	if (!vmi_rom)
+		return;
+
+	local_irq_save(flags);
+	activate_vmi();
 	local_irq_restore(flags & X86_EFLAGS_IF);
 }