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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-16 21:15:18 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-16 21:15:18 -0700
commit5b58e21a27028a9f0399449d8bc8494fd9d9ff70 (patch)
treefba49cc745f791755a7e86d518376a740fd39f0a
parent52ade9b3b97fd3bea42842a056fe0786c28d0555 (diff)
parent576fe0bd7e52dce7afb6b9b2450744555b2eb53a (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] optimize pagefaults a little [IA64] Fix section conflict of ia64_mlogbuf_finish [IA64] s/scalibility/scalability/ [IA64] kdump on INIT needs multi-nodes sync-up (v.2) [IA64] wire up {signal,timer,event}fd syscalls [IA64] spelling fixes: arch/ia64/
-rw-r--r--arch/ia64/kernel/acpi.c2
-rw-r--r--arch/ia64/kernel/crash.c24
-rw-r--r--arch/ia64/kernel/entry.S3
-rw-r--r--arch/ia64/kernel/irq.c6
-rw-r--r--arch/ia64/kernel/irq_lsapic.c2
-rw-r--r--arch/ia64/kernel/kprobes.c15
-rw-r--r--arch/ia64/kernel/mca.c5
-rw-r--r--arch/ia64/kernel/mca_drv.c4
-rw-r--r--arch/ia64/kernel/module.c2
-rw-r--r--arch/ia64/kernel/perfmon.c18
-rw-r--r--arch/ia64/kernel/perfmon_mckinley.h2
-rw-r--r--arch/ia64/kernel/sal.c2
-rw-r--r--arch/ia64/kernel/salinfo.c2
-rw-r--r--arch/ia64/kernel/setup.c6
-rw-r--r--arch/ia64/kernel/smp.c12
-rw-r--r--arch/ia64/kernel/smpboot.c6
-rw-r--r--arch/ia64/kernel/traps.c2
-rw-r--r--arch/ia64/kernel/unwind.c2
-rw-r--r--arch/ia64/mm/discontig.c2
-rw-r--r--arch/ia64/mm/fault.c41
-rw-r--r--arch/ia64/sn/kernel/bte.c12
-rw-r--r--arch/ia64/sn/kernel/bte_error.c4
-rw-r--r--arch/ia64/sn/kernel/io_common.c2
-rw-r--r--arch/ia64/sn/kernel/setup.c2
-rw-r--r--arch/ia64/sn/kernel/sn2/sn2_smp.c2
-rw-r--r--arch/ia64/sn/kernel/xpc_channel.c8
-rw-r--r--arch/ia64/sn/kernel/xpnet.c2
-rw-r--r--arch/ia64/sn/pci/pci_dma.c8
-rw-r--r--arch/ia64/sn/pci/pcibr/pcibr_ate.c6
-rw-r--r--arch/ia64/sn/pci/pcibr/pcibr_dma.c2
-rw-r--r--arch/ia64/sn/pci/tioca_provider.c6
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c16
-rw-r--r--include/asm-ia64/kdebug.h16
-rw-r--r--include/asm-ia64/kprobes.h1
-rw-r--r--include/asm-ia64/unistd.h5
35 files changed, 129 insertions, 121 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 3549c94467b..c4784494970 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -791,7 +791,7 @@ static __init int setup_additional_cpus(char *s)
early_param("additional_cpus", setup_additional_cpus);
/*
- * cpu_possible_map should be static, it cannot change as cpu's
+ * cpu_possible_map should be static, it cannot change as CPUs
* are onlined, or offlined. The reason is per-cpu data-structures
* are allocated by some modules at init time, and dont expect to
* do this dynamically on cpu arrival/departure.
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index aeb79fb28f0..1d64ef478dd 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -156,24 +156,30 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
if (!kdump_on_init)
return NOTIFY_DONE;
- if (val != DIE_INIT_MONARCH_ENTER &&
- val != DIE_INIT_SLAVE_ENTER &&
+ if (val != DIE_INIT_MONARCH_LEAVE &&
+ val != DIE_INIT_SLAVE_LEAVE &&
+ val != DIE_INIT_MONARCH_PROCESS &&
val != DIE_MCA_RENDZVOUS_LEAVE &&
val != DIE_MCA_MONARCH_LEAVE)
return NOTIFY_DONE;
nd = (struct ia64_mca_notify_die *)args->err;
- /* Reason code 1 means machine check rendezous*/
- if ((val == DIE_INIT_MONARCH_ENTER || val == DIE_INIT_SLAVE_ENTER) &&
- nd->sos->rv_rc == 1)
+ /* Reason code 1 means machine check rendezvous*/
+ if ((val == DIE_INIT_MONARCH_LEAVE || val == DIE_INIT_SLAVE_LEAVE
+ || val == DIE_INIT_MONARCH_PROCESS) && nd->sos->rv_rc == 1)
return NOTIFY_DONE;
switch (val) {
- case DIE_INIT_MONARCH_ENTER:
+ case DIE_INIT_MONARCH_PROCESS:
+ atomic_set(&kdump_in_progress, 1);
+ *(nd->monarch_cpu) = -1;
+ break;
+ case DIE_INIT_MONARCH_LEAVE:
machine_kdump_on_init();
break;
- case DIE_INIT_SLAVE_ENTER:
- unw_init_running(kdump_cpu_freeze, NULL);
+ case DIE_INIT_SLAVE_LEAVE:
+ if (atomic_read(&kdump_in_progress))
+ unw_init_running(kdump_cpu_freeze, NULL);
break;
case DIE_MCA_RENDZVOUS_LEAVE:
if (atomic_read(&kdump_in_progress))
@@ -215,8 +221,10 @@ static ctl_table sys_table[] = {
static int
machine_crash_setup(void)
{
+ /* be notified before default_monarch_init_process */
static struct notifier_block kdump_init_notifier_nb = {
.notifier_call = kdump_init_notifier,
+ .priority = 1,
};
int ret;
if((ret = register_die_notifier(&kdump_init_notifier_nb)) != 0)
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 144b056282a..95f51751523 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1585,5 +1585,8 @@ sys_call_table:
data8 sys_getcpu
data8 sys_epoll_pwait // 1305
data8 sys_utimensat
+ data8 sys_signalfd
+ data8 sys_timerfd
+ data8 sys_eventfd
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index b4c239685d2..407b4587048 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -4,7 +4,7 @@
* Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
*
* This file contains the code used by various IRQ handling routines:
- * asking for different IRQ's should be done through these routines
+ * asking for different IRQs should be done through these routines
* instead of just grabbing them. Thus setups with different IRQ numbers
* shouldn't result in any weird surprises, and installing new handlers
* should be easier.
@@ -12,7 +12,7 @@
* Copyright (C) Ashok Raj<ashok.raj@intel.com>, Intel Corporation 2004
*
* 4/14/2004: Added code to handle cpu migration and do safe irq
- * migration without lossing interrupts for iosapic
+ * migration without losing interrupts for iosapic
* architecture.
*/
@@ -190,7 +190,7 @@ void fixup_irqs(void)
}
/*
- * Phase 1: Locate irq's bound to this cpu and
+ * Phase 1: Locate IRQs bound to this cpu and
* relocate them for cpu removal.
*/
migrate_irqs();
diff --git a/arch/ia64/kernel/irq_lsapic.c b/arch/ia64/kernel/irq_lsapic.c
index c2f07beb175..e56a7a36aca 100644
--- a/arch/ia64/kernel/irq_lsapic.c
+++ b/arch/ia64/kernel/irq_lsapic.c
@@ -23,7 +23,7 @@ lsapic_noop_startup (unsigned int irq)
static void
lsapic_noop (unsigned int irq)
{
- /* nuthing to do... */
+ /* nothing to do... */
}
static int lsapic_retrigger(unsigned int irq)
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 72e593e9405..5bc46f15134 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -151,12 +151,12 @@ static uint __kprobes is_cmp_ctype_unc_inst(uint template, uint slot,
cmp_inst.l = kprobe_inst;
if ((cmp_inst.f.x2 == 0) || (cmp_inst.f.x2 == 1)) {
- /* Integere compare - Register Register (A6 type)*/
+ /* Integer compare - Register Register (A6 type)*/
if ((cmp_inst.f.tb == 0) && (cmp_inst.f.ta == 0)
&&(cmp_inst.f.c == 1))
ctype_unc = 1;
} else if ((cmp_inst.f.x2 == 2)||(cmp_inst.f.x2 == 3)) {
- /* Integere compare - Immediate Register (A8 type)*/
+ /* Integer compare - Immediate Register (A8 type)*/
if ((cmp_inst.f.ta == 0) &&(cmp_inst.f.c == 1))
ctype_unc = 1;
}
@@ -820,7 +820,7 @@ out:
return 1;
}
-static int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -904,13 +904,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
if (post_kprobes_handler(args->regs))
ret = NOTIFY_STOP;
break;
- case DIE_PAGE_FAULT:
- /* kprobe_running() needs smp_processor_id() */
- preempt_disable();
- if (kprobe_running() &&
- kprobes_fault_handler(args->regs, args->trapnr))
- ret = NOTIFY_STOP;
- preempt_enable();
default:
break;
}
@@ -954,7 +947,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
/*
* Callee owns the argument space and could overwrite it, eg
* tail call optimization. So to be absolutely safe
- * we save the argument space before transfering the control
+ * we save the argument space before transferring the control
* to instrumented jprobe function which runs in
* the process context
*/
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 26814de6c29..1ead5ea6c5c 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -273,7 +273,6 @@ static void ia64_mlogbuf_finish(int wait)
mlogbuf_finished = 1;
}
-EXPORT_SYMBOL(ia64_mlogbuf_finish);
/*
* Print buffered messages from INIT context.
@@ -1477,6 +1476,10 @@ default_monarch_init_process(struct notifier_block *self, unsigned long val, voi
struct task_struct *g, *t;
if (val != DIE_INIT_MONARCH_PROCESS)
return NOTIFY_DONE;
+#ifdef CONFIG_KEXEC
+ if (atomic_read(&kdump_in_progress))
+ return NOTIFY_DONE;
+#endif
/*
* FIXME: mlogbuf will brim over with INIT stack dumps.
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 70b8bdbb7e6..aba813c2c15 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -438,7 +438,7 @@ is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci,
* @peidx: pointer of index of processor error section
*
* Return value:
- * target address on Success / 0 on Failue
+ * target address on Success / 0 on Failure
*/
static u64
get_target_identifier(peidx_table_t *peidx)
@@ -701,7 +701,7 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
return fatal_mca("External bus check fatal status");
/*
- * This is a local MCA and estimated as a recoverble error.
+ * This is a local MCA and estimated as a recoverable error.
*/
if (platform)
return recover_from_platform_error(slidx, peidx, pbci, sos);
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 158e3c51bb7..196287928ba 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -861,7 +861,7 @@ apply_relocate (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symindex,
/*
* Modules contain a single unwind table which covers both the core and the init text
* sections but since the two are not contiguous, we need to split this table up such that
- * we can register (and unregister) each "segment" seperately. Fortunately, this sounds
+ * we can register (and unregister) each "segment" separately. Fortunately, this sounds
* more complicated than it really is.
*/
static void
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index e7191ca30b1..b7133cabdbe 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1318,7 +1318,7 @@ pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu)
{
unsigned long flags;
/*
- * validy checks on cpu_mask have been done upstream
+ * validity checks on cpu_mask have been done upstream
*/
LOCK_PFS(flags);
@@ -1384,7 +1384,7 @@ pfm_unreserve_session(pfm_context_t *ctx, int is_syswide, unsigned int cpu)
{
unsigned long flags;
/*
- * validy checks on cpu_mask have been done upstream
+ * validity checks on cpu_mask have been done upstream
*/
LOCK_PFS(flags);
@@ -1835,7 +1835,7 @@ pfm_flush(struct file *filp, fl_owner_t id)
/*
* remove our file from the async queue, if we use this mode.
* This can be done without the context being protected. We come
- * here when the context has become unreacheable by other tasks.
+ * here when the context has become unreachable by other tasks.
*
* We may still have active monitoring at this point and we may
* end up in pfm_overflow_handler(). However, fasync_helper()
@@ -2132,7 +2132,7 @@ doit:
filp->private_data = NULL;
/*
- * if we free on the spot, the context is now completely unreacheable
+ * if we free on the spot, the context is now completely unreachable
* from the callers side. The monitored task side is also cut, so we
* can freely cut.
*
@@ -2562,7 +2562,7 @@ pfm_reset_pmu_state(pfm_context_t *ctx)
ctx->ctx_all_pmcs[0] = pmu_conf->impl_pmcs[0] & ~0x1;
/*
- * bitmask of all PMDs that are accesible to this context
+ * bitmask of all PMDs that are accessible to this context
*/
ctx->ctx_all_pmds[0] = pmu_conf->impl_pmds[0];
@@ -3395,7 +3395,7 @@ pfm_read_pmds(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
if (unlikely(!PMD_IS_IMPL(cnum))) goto error;
/*
* we can only read the register that we use. That includes
- * the one we explicitely initialize AND the one we want included
+ * the one we explicitly initialize AND the one we want included
* in the sampling buffer (smpl_regs).
*
* Having this restriction allows optimization in the ctxsw routine
@@ -3715,7 +3715,7 @@ pfm_restart(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
* if non-blocking, then we ensure that the task will go into
* pfm_handle_work() before returning to user mode.
*
- * We cannot explicitely reset another task, it MUST always
+ * We cannot explicitly reset another task, it MUST always
* be done by the task itself. This works for system wide because
* the tool that is controlling the session is logically doing
* "self-monitoring".
@@ -4644,7 +4644,7 @@ pfm_exit_thread(struct task_struct *task)
switch(state) {
case PFM_CTX_UNLOADED:
/*
- * only comes to thios function if pfm_context is not NULL, i.e., cannot
+ * only comes to this function if pfm_context is not NULL, i.e., cannot
* be in unloaded state
*/
printk(KERN_ERR "perfmon: pfm_exit_thread [%d] ctx unloaded\n", task->pid);
@@ -5247,7 +5247,7 @@ pfm_end_notify_user(pfm_context_t *ctx)
/*
* main overflow processing routine.
- * it can be called from the interrupt path or explicitely during the context switch code
+ * it can be called from the interrupt path or explicitly during the context switch code
*/
static void
pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, struct pt_regs *regs)
diff --git a/arch/ia64/kernel/perfmon_mckinley.h b/arch/ia64/kernel/perfmon_mckinley.h
index 9becccda289..c4bec7a9d18 100644
--- a/arch/ia64/kernel/perfmon_mckinley.h
+++ b/arch/ia64/kernel/perfmon_mckinley.h
@@ -181,7 +181,7 @@ static pmu_config_t pmu_conf_mck={
.pmc_desc = pfm_mck_pmc_desc,
.num_ibrs = 8,
.num_dbrs = 8,
- .use_rr_dbregs = 1 /* debug register are use for range retrictions */
+ .use_rr_dbregs = 1 /* debug register are use for range restrictions */
};
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 37c876f95db..27c2ef445a5 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -134,7 +134,7 @@ set_smp_redirect (int flag)
* interrupt redirection. The reason is this would require that
* All interrupts be stopped and hard bind the irq to a cpu.
* Later when the interrupt is fired we need to set the redir hint
- * on again in the vector. This is combersome for something that the
+ * on again in the vector. This is cumbersome for something that the
* user mode irq balancer will solve anyways.
*/
no_int_routing=1;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 89f6b138a62..25cd75f50ab 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -162,7 +162,7 @@ static DEFINE_SPINLOCK(data_saved_lock);
/** salinfo_platform_oemdata - optional callback to decode oemdata from an error
* record.
* @sect_header: pointer to the start of the section to decode.
- * @oemdata: returns vmalloc area containing the decded output.
+ * @oemdata: returns vmalloc area containing the decoded output.
* @oemdata_size: returns length of decoded output (strlen).
*
* Description: If user space asks for oem data to be decoded by the kernel
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 9df1efe7487..eaa6a24bc0b 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -576,7 +576,7 @@ setup_arch (char **cmdline_p)
}
/*
- * Display cpu info for all cpu's.
+ * Display cpu info for all CPUs.
*/
static int
show_cpuinfo (struct seq_file *m, void *v)
@@ -761,7 +761,7 @@ identify_cpu (struct cpuinfo_ia64 *c)
c->cpu = smp_processor_id();
/* below default values will be overwritten by identify_siblings()
- * for Multi-Threading/Multi-Core capable cpu's
+ * for Multi-Threading/Multi-Core capable CPUs
*/
c->threads_per_core = c->cores_per_socket = c->num_log = 1;
c->socket_id = -1;
@@ -947,7 +947,7 @@ cpu_init (void)
ia32_cpu_init();
#endif
- /* Clear ITC to eliminiate sched_clock() overflows in human time. */
+ /* Clear ITC to eliminate sched_clock() overflows in human time. */
ia64_set_itc(0);
/* disable all local interrupt sources: */
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 221de380456..b3a47f986e1 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -186,7 +186,7 @@ handle_IPI (int irq, void *dev_id)
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_single (int dest_cpu, int op)
@@ -196,7 +196,7 @@ send_IPI_single (int dest_cpu, int op)
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_allbutself (int op)
@@ -210,7 +210,7 @@ send_IPI_allbutself (int op)
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_all (int op)
@@ -223,7 +223,7 @@ send_IPI_all (int op)
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_self (int op)
@@ -252,7 +252,7 @@ kdump_smp_send_init(void)
}
#endif
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
void
smp_send_reschedule (int cpu)
@@ -261,7 +261,7 @@ smp_send_reschedule (int cpu)
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static void
smp_send_local_flush_tlb (int cpu)
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index a44792d0f3a..542958079f1 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -694,7 +694,7 @@ int migrate_platform_irqs(unsigned int cpu)
set_cpei_target_cpu(new_cpei_cpu);
desc = irq_desc + ia64_cpe_irq;
/*
- * Switch for now, immediatly, we need to do fake intr
+ * Switch for now, immediately, we need to do fake intr
* as other interrupts, but need to study CPEI behaviour with
* polling before making changes.
*/
@@ -840,7 +840,7 @@ __cpu_up (unsigned int cpu)
}
/*
- * Assume that CPU's have been discovered by some platform-dependent interface. For
+ * Assume that CPUs have been discovered by some platform-dependent interface. For
* SoftSDV/Lion, that would be ACPI.
*
* Setup of the IPI irq handler is done in irq.c:init_IRQ_SMP().
@@ -854,7 +854,7 @@ init_smp_config(void)
} *ap_startup;
long sal_ret;
- /* Tell SAL where to drop the AP's. */
+ /* Tell SAL where to drop the APs. */
ap_startup = (struct fptr *) start_ap;
sal_ret = ia64_sal_set_vectors(SAL_VECTOR_OS_BOOT_RENDEZ,
ia64_tpa(ap_startup->fp), ia64_tpa(ap_startup->gp), 0, 0, 0, 0);
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index b8e0d70bf98..15ad85da15a 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -304,7 +304,7 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
* Lower 4 bits are used as a count. Upper bits are a sequence
* number that is updated when count is reset. The cmpxchg will
* fail is seqno has changed. This minimizes mutiple cpus
- * reseting the count.
+ * resetting the count.
*/
if (current_jiffies > last.time)
(void) cmpxchg_acq(&last.count, count, 16 + (count & ~15));
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index fe1426266b9..7d3dd6cdafa 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -2,7 +2,7 @@
* Copyright (C) 1999-2004 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 2003 Fenghua Yu <fenghua.yu@intel.com>
- * - Change pt_regs_off() to make it less dependant on pt_regs structure.
+ * - Change pt_regs_off() to make it less dependent on pt_regs structure.
*/
/*
* This file implements call frame unwind support for the Linux
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 38085ac1833..0dbf0e81f8c 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -317,7 +317,7 @@ static void __meminit scatter_node_data(void)
* node_online_map is not set for hot-added nodes at this time,
* because we are halfway through initialization of the new node's
* structures. If for_each_online_node() is used, a new node's
- * pg_data_ptrs will be not initialized. Insted of using it,
+ * pg_data_ptrs will be not initialized. Instead of using it,
* pgdat_list[] is checked.
*/
for_each_node(node) {
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 21658e02116..b87f785c241 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -19,36 +19,24 @@
extern void die (char *, struct pt_regs *, long);
#ifdef CONFIG_KPROBES
-ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
-
-/* Hook to register for page fault notifications */
-int register_page_fault_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_register(&notify_page_fault_chain, nb);
-}
-
-int unregister_page_fault_notifier(struct notifier_block *nb)
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
- return atomic_notifier_chain_unregister(&notify_page_fault_chain, nb);
-}
+ int ret = 0;
+
+ if (!user_mode(regs)) {
+ /* kprobe_running() needs smp_processor_id() */
+ preempt_disable();
+ if (kprobe_running() && kprobes_fault_handler(regs, trap))
+ ret = 1;
+ preempt_enable();
+ }
-static inline int notify_page_fault(enum die_val val, const char *str,
- struct pt_regs *regs, long err, int trap, int sig)
-{
- struct die_args args = {
- .regs = regs,
- .str = str,
- .err = err,
- .trapnr = trap,
- .signr = sig
- };
- return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
+ return ret;
}
#else
-static inline int notify_page_fault(enum die_val val, const char *str,
- struct pt_regs *regs, long err, int trap, int sig)
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
- return NOTIFY_DONE;
+ return 0;
}
#endif
@@ -117,8 +105,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
/*
* This is to handle the kprobes on user space access instructions
*/
- if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, code, TRAP_BRKPT,
- SIGSEGV) == NOTIFY_STOP)
+ if (notify_page_fault(regs, TRAP_BRKPT))
return;
down_read(&mm->mmap_sem);
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index ff1c5560117..b362d6d6a8c 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -63,7 +63,7 @@ static inline void bte_start_transfer(struct bteinfo_s *bte, u64 len, u64 mode)
* Use the block transfer engine to move kernel memory from src to dest
* using the assigned mode.
*
- * Paramaters:
+ * Parameters:
* src - physical address of the transfer source.
* dest - physical address of the transfer destination.
* len - number of bytes to transfer from source to dest.
@@ -247,7 +247,7 @@ EXPORT_SYMBOL(bte_copy);
* use the block transfer engine to move kernel
* memory from src to dest using the assigned mode.
*
- * Paramaters:
+ * Parameters:
* src - physical address of the transfer source.
* dest - physical address of the transfer destination.
* len - number of bytes to transfer from source to dest.
@@ -255,7 +255,7 @@ EXPORT_SYMBOL(bte_copy);
* for IBCT0/1 in the SGI documentation.
*
* NOTE: If the source, dest, and len are all cache line aligned,
- * then it would be _FAR_ preferrable to use bte_copy instead.
+ * then it would be _FAR_ preferable to use bte_copy instead.
*/
bte_result_t bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
{
@@ -300,7 +300,7 @@ bte_result_t bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
* a standard bte copy.
*
* One nasty exception to the above rule is when the
- * source and destination are not symetrically
+ * source and destination are not symmetrically
* mis-aligned. If the source offset from the first
* cache line is different from the destination offset,
* we make the first section be the entire transfer
@@ -337,7 +337,7 @@ bte_result_t bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
if (footBcopyDest == (headBcopyDest + headBcopyLen)) {
/*
- * We have two contigous bcopy
+ * We have two contiguous bcopy
* blocks. Merge them.
*/
headBcopyLen += footBcopyLen;
@@ -375,7 +375,7 @@ bte_result_t bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
} else {
/*
- * The transfer is not symetric, we will
+ * The transfer is not symmetric, we will
* allocate a buffer large enough for all the
* data, bte_copy into that buffer and then
* bcopy to the destination.
diff --git a/arch/ia64/sn/kernel/bte_error.c b/arch/ia64/sn/kernel/bte_error.c
index b6fcf8164f2..27c5936ccfe 100644
--- a/arch/ia64/sn/kernel/bte_error.c
+++ b/arch/ia64/sn/kernel/bte_error.c
@@ -105,7 +105,7 @@ int shub1_bte_error_handler(unsigned long _nodepda)
}
BTE_PRINTK(("eh:%p:%d Cleaning up\n", err_nodepda, smp_processor_id()));
- /* Reenable both bte interfaces */
+ /* Re-enable both bte interfaces */
imem.ii_imem_regval = REMOTE_HUB_L(nasid, IIO_IMEM);
imem.ii_imem_fld_s.i_b0_esd = imem.ii_imem_fld_s.i_b1_esd = 1;
REMOTE_HUB_S(nasid, IIO_IMEM, imem.ii_imem_regval);
@@ -243,7 +243,7 @@ bte_crb_error_handler(cnodeid_t cnode, int btenum,
/*
* The caller has already figured out the error type, we save that
- * in the bte handle structure for the thread excercising the
+ * in the bte handle structure for the thread exercising the
* interface to consume.
*/
bte->bh_error = ioe->ie_errortype + BTEFAIL_OFFSET;
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 7ed72d3faf7..787ed642dd4 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -479,7 +479,7 @@ sn_io_early_init(void)
}
/*
- * prime sn_pci_provider[]. Individial provider init routines will
+ * prime sn_pci_provider[]. Individual provider init routines will
* override their respective default entries.
*/
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index a9bed5ca2ed..a574fcd163d 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -167,7 +167,7 @@ void __init early_sn_setup(void)
* IO on SN2 is done via SAL calls, early_printk won't work without this.
*
* This code duplicates some of the ACPI table parsing that is in efi.c & sal.c.
- * Any changes to those file may have to be made hereas well.
+ * Any changes to those file may have to be made here as well.
*/
efi_systab = (efi_system_table_t *) __va(ia64_boot_param->efi_systab);
config_tables = __va(efi_systab->tables);
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index 5d318b579fb..033c8a9f000 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -104,7 +104,7 @@ static inline unsigned long wait_piowc(void)
*
* SN2 PIO writes from separate CPUs are not guaranteed to arrive in order.
* Context switching user threads which have memory-mapped MMIO may cause
- * PIOs to issue from seperate CPUs, thus the PIO writes must be drained
+ * PIOs to issue from separate CPUs, thus the PIO writes must be drained
* from the previous CPU's Shub before execution resumes on the new CPU.
*/
void sn_migrate(struct task_struct *task)
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index c08db9c2375..44ccc0d789c 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -293,7 +293,7 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
/*
- * Pull the remote per partititon specific variables from the specified
+ * Pull the remote per partition specific variables from the specified
* partition.
*/
enum xpc_retval
@@ -461,7 +461,7 @@ xpc_allocate_local_msgqueue(struct xpc_channel *ch)
// >>> may want to check for ch->flags & XPC_C_DISCONNECTING between
// >>> iterations of the for-loop, bail if set?
- // >>> should we impose a minumum #of entries? like 4 or 8?
+ // >>> should we impose a minimum #of entries? like 4 or 8?
for (nentries = ch->local_nentries; nentries > 0; nentries--) {
nbytes = nentries * ch->msg_size;
@@ -514,7 +514,7 @@ xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
// >>> may want to check for ch->flags & XPC_C_DISCONNECTING between
// >>> iterations of the for-loop, bail if set?
- // >>> should we impose a minumum #of entries? like 4 or 8?
+ // >>> should we impose a minimum #of entries? like 4 or 8?
for (nentries = ch->remote_nentries; nentries > 0; nentries--) {
nbytes = nentries * ch->msg_size;
@@ -1478,7 +1478,7 @@ xpc_teardown_infrastructure(struct xpc_partition *part)
/*
- * Before proceding with the teardown we have to wait until all
+ * Before proceeding with the teardown we have to wait until all
* existing references cease.
*/
wait_event(part->teardown_wq, (atomic_read(&part->references) == 0));
diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c
index da721353097..e58fcadff2e 100644
--- a/arch/ia64/sn/kernel/xpnet.c
+++ b/arch/ia64/sn/kernel/xpnet.c
@@ -531,7 +531,7 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev_dbg(xpnet, "destination Partitions mask (dp) = 0x%lx\n", dp);
/*
- * If we wanted to allow promiscous mode to work like an
+ * If we wanted to allow promiscuous mode to work like an
* unswitched network, this would be a good point to OR in a
* mask of partitions which should be receiving all packets.
*/
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 7a291a27151..d79ddacfba2 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -333,7 +333,7 @@ int sn_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size)
/*
* First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work
* around hw issues at the pci bus level. SGI proms older than
- * 4.10 don't implment this.
+ * 4.10 don't implement this.
*/
SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE,
@@ -348,7 +348,7 @@ int sn_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size)
/*
* If the above failed, retry using the SAL_PROBE call which should
* be present in all proms (but which cannot work round PCI chipset
- * bugs). This code is retained for compatability with old
+ * bugs). This code is retained for compatibility with old
* pre-4.10 proms, and should be removed at some point in the future.
*/
@@ -379,7 +379,7 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size)
/*
* First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work
* around hw issues at the pci bus level. SGI proms older than
- * 4.10 don't implment this.
+ * 4.10 don't implement this.
*/
SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE,
@@ -394,7 +394,7 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size)
/*
* If the above failed, retry using the SAL_PROBE call which should
* be present in all proms (but which cannot work round PCI chipset
- * bugs). This code is retained for compatability with old
+ * bugs). This code is retained for compatibility with old
* pre-4.10 proms, and should be removed at some point in the future.
*/
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_ate.c b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
index 935029fc400..239b3cedcf2 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_ate.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
@@ -30,7 +30,7 @@ static void mark_ate(struct ate_resource *ate_resource, int start, int number,
/*
* find_free_ate: Find the first free ate index starting from the given
- * index for the desired consequtive count.
+ * index for the desired consecutive count.
*/
static int find_free_ate(struct ate_resource *ate_resource, int start,
int count)
@@ -88,7 +88,7 @@ static inline int alloc_ate_resource(struct ate_resource *ate_resource,
return -1;
/*
- * Find the required number of free consequtive ates.
+ * Find the required number of free consecutive ates.
*/
start_index =
find_free_ate(ate_resource, ate_resource->lowest_free_index,
@@ -105,7 +105,7 @@ static inline int alloc_ate_resource(struct ate_resource *ate_resource,
/*
* Allocate "count" contiguous Bridge Address Translation Entries
* on the specified bridge to be used for PCI to XTALK mappings.
- * Indices in rm map range from 1..num_entries. Indicies returned
+ * Indices in rm map range from 1..num_entries. Indices returned
* to caller range from 0..num_entries-1.
*
* Return the start index on success, -1 on failure.
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
index 95af40cb22f..e626e50a938 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -201,7 +201,7 @@ pcibr_dmatrans_direct32(struct pcidev_info * info,
}
/*
- * Wrapper routine for free'ing DMA maps
+ * Wrapper routine for freeing DMA maps
* DMA mappings for Direct 64 and 32 do not have any DMA maps.
*/
void
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 8a2cb4e691f..b9bedbd6e1d 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -223,7 +223,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
/*
* Scan all vga controllers on this bus making sure they all
- * suport FW. If not, return.
+ * support FW. If not, return.
*/
list_for_each_entry(pdev, tioca_kern->ca_devices, bus_list) {
@@ -364,7 +364,7 @@ tioca_dma_d48(struct pci_dev *pdev, u64 paddr)
* @req_size: len (bytes) to map
*
* Map @paddr into CA address space using the GART mechanism. The mapped
- * dma_addr_t is guarenteed to be contiguous in CA bus space.
+ * dma_addr_t is guaranteed to be contiguous in CA bus space.
*/
static dma_addr_t
tioca_dma_mapped(struct pci_dev *pdev, u64 paddr, size_t req_size)
@@ -526,7 +526,7 @@ tioca_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma_flags)
return 0;
/*
- * If card is 64 or 48 bit addresable, use a direct mapping. 32
+ * If card is 64 or 48 bit addressable, use a direct mapping. 32
* bit direct is so restrictive w.r.t. where the memory resides that
* we don't use it even though CA has some support.
*/
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 35f854fb612..f4c0b961a93 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -256,9 +256,9 @@ pcidev_to_tioce(struct pci_dev *pdev, struct tioce __iomem **base,
* @ct_addr: the coretalk address to map
* @len: number of bytes to map
*
- * Given the addressing type, set up various paramaters that define the
+ * Given the addressing type, set up various parameters that define the
* ATE pool to use. Search for a contiguous block of entries to cover the
- * length, and if enough resources exist, fill in the ATE's and construct a
+ * length, and if enough resources exist, fill in the ATEs and construct a
* tioce_dmamap struct to track the mapping.
*/
static u64
@@ -581,8 +581,8 @@ tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count,
*/
if (!mapaddr && !barrier && dma_mask >= 0xffffffffffUL) {
/*
- * We have two options for 40-bit mappings: 16GB "super" ATE's
- * and 64MB "regular" ATE's. We'll try both if needed for a
+ * We have two options for 40-bit mappings: 16GB "super" ATEs
+ * and 64MB "regular" ATEs. We'll try both if needed for a
* given mapping but which one we try first depends on the
* size. For requests >64MB, prefer to use a super page with
* regular as the fallback. Otherwise, try in the reverse order.
@@ -687,8 +687,8 @@ tioce_error_intr_handler(int irq, void *arg)
}
/**
- * tioce_reserve_m32 - reserve M32 ate's for the indicated address range
- * @tioce_kernel: TIOCE context to reserve ate's for
+ * tioce_reserve_m32 - reserve M32 ATEs for the indicated address range
+ * @tioce_kernel: TIOCE context to reserve ATEs for
* @base: starting bus address to reserve
* @limit: last bus address to reserve
*
@@ -763,7 +763,7 @@ tioce_kern_init(struct tioce_common *tioce_common)
/*
* Set PMU pagesize to the largest size available, and zero out
- * the ate's.
+ * the ATEs.
*/
tioce_mmr = (struct tioce __iomem *)tioce_common->ce_pcibus.bs_base;
@@ -784,7 +784,7 @@ tioce_kern_init(struct tioce_common *tioce_common)
}
/*
- * Reserve ATE's corresponding to reserved address ranges. These
+ * Reserve ATEs corresponding to reserved address ranges. These
* include:
*
* Memory space covered by each PPB mem base/limit register
diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h
index ba211e011a1..320cd8e754e 100644
--- a/include/asm-ia64/kdebug.h
+++ b/include/asm-ia64/kdebug.h
@@ -28,14 +28,24 @@
*/
#include <linux/notifier.h>
-extern int register_page_fault_notifier(struct notifier_block *);
-extern int unregister_page_fault_notifier(struct notifier_block *);
+/*
+ * These are only here because kprobes.c wants them to implement a
+ * blatant layering violation. Will hopefully go away soon once all
+ * architectures are updated.
+ */
+static inline int register_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+static inline int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
enum die_val {
DIE_BREAK = 1,
DIE_FAULT,
DIE_OOPS,
- DIE_PAGE_FAULT,
DIE_MACHINE_HALT,
DIE_MACHINE_RESTART,
DIE_MCA_MONARCH_ENTER,
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
index 2abc98b336f..6382e52ec22 100644
--- a/include/asm-ia64/kprobes.h
+++ b/include/asm-ia64/kprobes.h
@@ -120,6 +120,7 @@ struct arch_specific_insn {
unsigned short slot;
};
+extern int kprobes_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index f049bc40ca7..d7781a2ddef 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -296,11 +296,14 @@
#define __NR_getcpu 1304
#define __NR_epoll_pwait 1305
#define __NR_utimensat 1306
+#define __NR_signalfd 1307
+#define __NR_timerfd 1308
+#define __NR_eventfd 1309
#ifdef __KERNEL__
-#define NR_syscalls 283 /* length of syscall table */
+#define NR_syscalls 286 /* length of syscall table */
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND