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-rw-r--r--arch/ia64/Kconfig1
-rw-r--r--arch/ia64/hp/sim/simserial.c2
-rw-r--r--arch/ia64/include/asm/iommu.h1
-rw-r--r--arch/ia64/include/asm/rwsem.h22
-rw-r--r--arch/ia64/include/asm/sn/ioc3.h2
-rw-r--r--arch/ia64/include/asm/sn/shubio.h4
-rw-r--r--arch/ia64/kernel/efi.c4
-rw-r--r--arch/ia64/kernel/mca.c5
-rw-r--r--arch/ia64/kernel/perfmon.c4
-rw-r--r--arch/ia64/kernel/process.c14
-rw-r--r--arch/ia64/kernel/traps.c1
-rw-r--r--arch/ia64/kernel/unaligned.c1
-rw-r--r--arch/ia64/lib/idiv32.S2
-rw-r--r--arch/ia64/lib/idiv64.S2
-rw-r--r--arch/ia64/sn/kernel/io_acpi_init.c1
-rw-r--r--arch/ia64/sn/kernel/io_init.c4
-rw-r--r--arch/ia64/sn/kernel/sn2/sn2_smp.c35
17 files changed, 64 insertions, 41 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index b534ebab36ea..f80758cb7157 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -18,6 +18,7 @@ config IA64
select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select HAVE_UNSTABLE_SCHED_CLOCK
+ select HAVE_EXIT_THREAD
select HAVE_IDE
select HAVE_OPROFILE
select HAVE_KPROBES
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index e70cadec7ce6..21fd50def270 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -300,7 +300,7 @@ static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
(cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
(cmd != TIOCMIWAIT)) {
- if (tty->flags & (1 << TTY_IO_ERROR))
+ if (tty_io_error(tty))
return -EIO;
}
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 105c93b00b1b..1d1212901ae7 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -1,7 +1,6 @@
#ifndef _ASM_IA64_IOMMU_H
#define _ASM_IA64_IOMMU_H 1
-#define cpu_has_x2apic 0
/* 10 seconds */
#define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10)
diff --git a/arch/ia64/include/asm/rwsem.h b/arch/ia64/include/asm/rwsem.h
index ce112472bdd6..8b23e070b844 100644
--- a/arch/ia64/include/asm/rwsem.h
+++ b/arch/ia64/include/asm/rwsem.h
@@ -49,8 +49,8 @@ __down_read (struct rw_semaphore *sem)
/*
* lock for writing
*/
-static inline void
-__down_write (struct rw_semaphore *sem)
+static inline long
+___down_write (struct rw_semaphore *sem)
{
long old, new;
@@ -59,10 +59,26 @@ __down_write (struct rw_semaphore *sem)
new = old + RWSEM_ACTIVE_WRITE_BIAS;
} while (cmpxchg_acq(&sem->count, old, new) != old);
- if (old != 0)
+ return old;
+}
+
+static inline void
+__down_write (struct rw_semaphore *sem)
+{
+ if (___down_write(sem))
rwsem_down_write_failed(sem);
}
+static inline int
+__down_write_killable (struct rw_semaphore *sem)
+{
+ if (___down_write(sem))
+ if (IS_ERR(rwsem_down_write_failed_killable(sem)))
+ return -EINTR;
+
+ return 0;
+}
+
/*
* unlock after reading
*/
diff --git a/arch/ia64/include/asm/sn/ioc3.h b/arch/ia64/include/asm/sn/ioc3.h
index 95ed6cc83cf1..6eaa3cc1e919 100644
--- a/arch/ia64/include/asm/sn/ioc3.h
+++ b/arch/ia64/include/asm/sn/ioc3.h
@@ -131,7 +131,7 @@ struct ioc3 {
#define SSCR_PAUSE_STATE 0x40000000 /* set when PAUSE takes effect*/
#define SSCR_RESET 0x80000000 /* reset DMA channels */
-/* all producer/comsumer pointers are the same bitfield */
+/* all producer/consumer pointers are the same bitfield */
#define PROD_CONS_PTR_4K 0x00000ff8 /* for 4K buffers */
#define PROD_CONS_PTR_1K 0x000003f8 /* for 1K buffers */
#define PROD_CONS_PTR_OFF 3
diff --git a/arch/ia64/include/asm/sn/shubio.h b/arch/ia64/include/asm/sn/shubio.h
index ecb8a49476b6..8a1ec139f977 100644
--- a/arch/ia64/include/asm/sn/shubio.h
+++ b/arch/ia64/include/asm/sn/shubio.h
@@ -1385,7 +1385,7 @@ typedef union ii_ibcr_u {
* respones are captured until IXSS[VALID] is cleared by setting the *
* appropriate bit in IECLR. Every time a spurious read response is *
* detected, the SPUR_RD bit of the PRB corresponding to the incoming *
- * message's SIDN field is set. This always happens, regarless of *
+ * message's SIDN field is set. This always happens, regardless of *
* whether a header is captured. The programmer should check *
* IXSM[SIDN] to determine which widget sent the spurious response, *
* because there may be more than one SPUR_RD bit set in the PRB *
@@ -2997,7 +2997,7 @@ typedef union ii_ippr_u {
/*
* Values for field imsgtype
*/
-#define IIO_ICRB_IMSGT_XTALK 0 /* Incoming Meessage from Xtalk */
+#define IIO_ICRB_IMSGT_XTALK 0 /* Incoming message from Xtalk */
#define IIO_ICRB_IMSGT_BTE 1 /* Incoming message from BTE */
#define IIO_ICRB_IMSGT_SN1NET 2 /* Incoming message from SN1 net */
#define IIO_ICRB_IMSGT_CRB 3 /* Incoming message from CRB ??? */
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 300dac3702f1..3b7a60e40e8a 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -531,8 +531,6 @@ efi_init (void)
efi.systab->hdr.revision >> 16,
efi.systab->hdr.revision & 0xffff, vendor);
- set_bit(EFI_SYSTEM_TABLES, &efi.flags);
-
palo_phys = EFI_INVALID_TABLE_ADDR;
if (efi_config_init(arch_tables) != 0)
@@ -966,7 +964,7 @@ efi_uart_console_only(void)
/*
* Look for the first granule aligned memory descriptor memory
* that is big enough to hold EFI memory map. Make sure this
- * descriptor is atleast granule sized so it does not get trimmed
+ * descriptor is at least granule sized so it does not get trimmed
*/
struct kern_memdesc *
find_memmap_space (void)
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 2889412e03eb..07a4e32ae96a 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1904,13 +1904,10 @@ static int mca_cpu_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
- int hotcpu = (unsigned long) hcpu;
-
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
- smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust,
- NULL, 0);
+ ia64_mca_cmc_vector_adjust(NULL);
break;
}
return NOTIFY_OK;
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 9cd607b06964..2436ad5f92c1 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -4542,8 +4542,8 @@ pfm_context_unload(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
/*
- * called only from exit_thread(): task == current
- * we come here only if current has a context attached (loaded or masked)
+ * called only from exit_thread()
+ * we come here only if the task has a context attached (loaded or masked)
*/
void
pfm_exit_thread(struct task_struct *task)
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index b51514957620..aae6c4dc7ae7 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -570,22 +570,22 @@ flush_thread (void)
}
/*
- * Clean up state associated with current thread. This is called when
+ * Clean up state associated with a thread. This is called when
* the thread calls exit().
*/
void
-exit_thread (void)
+exit_thread (struct task_struct *tsk)
{
- ia64_drop_fpu(current);
+ ia64_drop_fpu(tsk);
#ifdef CONFIG_PERFMON
/* if needed, stop monitoring and flush state to perfmon context */
- if (current->thread.pfm_context)
- pfm_exit_thread(current);
+ if (tsk->thread.pfm_context)
+ pfm_exit_thread(tsk);
/* free debug register resources */
- if (current->thread.flags & IA64_THREAD_DBG_VALID)
- pfm_release_debug_registers(current);
+ if (tsk->thread.flags & IA64_THREAD_DBG_VALID)
+ pfm_release_debug_registers(tsk);
#endif
}
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 6f7d4a4dcf24..77edd68c5161 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -548,6 +548,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
return;
}
switch (vector) {
+ default:
case 29:
siginfo.si_code = TRAP_HWBKPT;
#ifdef CONFIG_ITANIUM
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index e7ae6088350a..7f0d31656b4d 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1378,6 +1378,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
* extract the instruction from the bundle given the slot number
*/
switch (ipsr->ri) {
+ default:
case 0: u.l = (bundle[0] >> 5); break;
case 1: u.l = (bundle[0] >> 46) | (bundle[1] << 18); break;
case 2: u.l = (bundle[1] >> 23); break;
diff --git a/arch/ia64/lib/idiv32.S b/arch/ia64/lib/idiv32.S
index 2ac28bf0a662..c91b5b0129ff 100644
--- a/arch/ia64/lib/idiv32.S
+++ b/arch/ia64/lib/idiv32.S
@@ -11,7 +11,7 @@
*
* For more details on the theory behind these algorithms, see "IA-64
* and Elementary Functions" by Peter Markstein; HP Professional Books
- * (http://www.hp.com/go/retailbooks/)
+ * (http://www.goodreads.com/book/show/2019887.Ia_64_and_Elementary_Functions)
*/
#include <asm/asmmacro.h>
diff --git a/arch/ia64/lib/idiv64.S b/arch/ia64/lib/idiv64.S
index f69bd2b0987a..627573c4ceb1 100644
--- a/arch/ia64/lib/idiv64.S
+++ b/arch/ia64/lib/idiv64.S
@@ -11,7 +11,7 @@
*
* For more details on the theory behind these algorithms, see "IA-64
* and Elementary Functions" by Peter Markstein; HP Professional Books
- * (http://www.hp.com/go/retailbooks/)
+ * (http://www.goodreads.com/book/show/2019887.Ia_64_and_Elementary_Functions)
*/
#include <asm/asmmacro.h>
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 231234c8d113..c31fe637b0b4 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -426,7 +426,6 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
void
sn_acpi_slot_fixup(struct pci_dev *dev)
{
- void __iomem *addr;
struct pcidev_info *pcidev_info = NULL;
struct sn_irq_info *sn_irq_info = NULL;
struct resource *res;
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index c15a41e2d1f2..d63809a6adfa 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -151,7 +151,7 @@ sn_io_slot_fixup(struct pci_dev *dev)
{
int idx;
struct resource *res;
- unsigned long addr, size;
+ unsigned long size;
struct pcidev_info *pcidev_info;
struct sn_irq_info *sn_irq_info;
int status;
@@ -186,7 +186,7 @@ sn_io_slot_fixup(struct pci_dev *dev)
continue;
res->start = pcidev_info->pdi_pio_mapped_addr[idx];
- res->end = addr + size;
+ res->end = res->start + size;
/*
* if it's already in the device structure, remove it before
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index f9c8d9fc5939..c98dc965fe82 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -54,7 +54,7 @@ sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long);
void
-sn2_ptc_deadlock_recovery(short *, short, short, int,
+sn2_ptc_deadlock_recovery(nodemask_t, short, short, int,
volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long);
@@ -169,7 +169,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
int use_cpu_ptcga;
volatile unsigned long *ptc0, *ptc1;
unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value, old_rr = 0;
- short nasids[MAX_NUMNODES], nix;
+ short nix;
nodemask_t nodes_flushed;
int active, max_active, deadlock, flush_opt = sn2_flush_opt;
@@ -218,9 +218,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
}
itc = ia64_get_itc();
- nix = 0;
- for_each_node_mask(cnode, nodes_flushed)
- nasids[nix++] = cnodeid_to_nasid(cnode);
+ nix = nodes_weight(nodes_flushed);
rr_value = (mm->context << 3) | REGION_NUMBER(start);
@@ -270,8 +268,10 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
data0 = (data0 & ~SH2_PTC_ADDR_MASK) | (start & SH2_PTC_ADDR_MASK);
deadlock = 0;
active = 0;
- for (ibegin = 0, i = 0; i < nix; i++) {
- nasid = nasids[i];
+ ibegin = 0;
+ i = 0;
+ for_each_node_mask(cnode, nodes_flushed) {
+ nasid = cnodeid_to_nasid(cnode);
if (use_cpu_ptcga && unlikely(nasid == mynasid)) {
ia64_ptcga(start, nbits << 2);
ia64_srlz_i();
@@ -286,13 +286,14 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
if ((deadlock = wait_piowc())) {
if (flush_opt == 1)
goto done;
- sn2_ptc_deadlock_recovery(nasids, ibegin, i, mynasid, ptc0, data0, ptc1, data1);
+ sn2_ptc_deadlock_recovery(nodes_flushed, ibegin, i, mynasid, ptc0, data0, ptc1, data1);
if (reset_max_active_on_deadlock())
max_active = 1;
}
active = 0;
ibegin = i + 1;
}
+ i++;
}
start += (1UL << nbits);
} while (start < end);
@@ -327,11 +328,12 @@ done:
*/
void
-sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid,
+sn2_ptc_deadlock_recovery(nodemask_t nodes, short ib, short ie, int mynasid,
volatile unsigned long *ptc0, unsigned long data0,
volatile unsigned long *ptc1, unsigned long data1)
{
short nasid, i;
+ int cnode;
unsigned long *piows, zeroval, n;
__this_cpu_inc(ptcstats.deadlocks);
@@ -339,17 +341,26 @@ sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid,
piows = (unsigned long *) pda->pio_write_status_addr;
zeroval = pda->pio_write_status_val;
+ i = 0;
+ for_each_node_mask(cnode, nodes) {
+ if (i < ib)
+ goto next;
+
+ if (i > ie)
+ break;
- for (i=ib; i <= ie; i++) {
- nasid = nasids[i];
+ nasid = cnodeid_to_nasid(cnode);
if (local_node_uses_ptc_ga(is_shub1()) && nasid == mynasid)
- continue;
+ goto next;
+
ptc0 = CHANGE_NASID(nasid, ptc0);
if (ptc1)
ptc1 = CHANGE_NASID(nasid, ptc1);
n = sn2_ptc_deadlock_recovery_core(ptc0, data0, ptc1, data1, piows, zeroval);
__this_cpu_add(ptcstats.deadlocks2, n);
+next:
+ i++;
}
}
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