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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 09:02:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 09:02:01 -0800
commit8f0ddf91f2aeb09602373e400cf8b403e9017210 (patch)
treeb907c35c79caadafff6ad46a91614e30afd2f967 /arch/x86/kernel
parent050cbb09dac0402672edeaeac06094ef8ff1749a (diff)
parentb5f91da0a6973bb6f9ff3b91b0e92c0773a458f3 (diff)
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits) clockevents: Convert to raw_spinlock clockevents: Make tick_device_lock static debugobjects: Convert to raw_spinlocks perf_event: Convert to raw_spinlock hrtimers: Convert to raw_spinlocks genirq: Convert irq_desc.lock to raw_spinlock smp: Convert smplocks to raw_spinlocks rtmutes: Convert rtmutex.lock to raw_spinlock sched: Convert pi_lock to raw_spinlock sched: Convert cpupri lock to raw_spinlock sched: Convert rt_runtime_lock to raw_spinlock sched: Convert rq->lock to raw_spinlock plist: Make plist debugging raw_spinlock aware bkl: Fixup core_lock fallout locking: Cleanup the name space completely locking: Further name space cleanups alpha: Fix fallout from locking changes locking: Implement new raw_spinlock locking: Convert raw_rwlock functions to arch_rwlock locking: Convert raw_rwlock to arch_rwlock ...
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/apic/io_apic.c4
-rw-r--r--arch/x86/kernel/dumpstack.c8
-rw-r--r--arch/x86/kernel/irq.c14
-rw-r--r--arch/x86/kernel/paravirt-spinlocks.c4
-rw-r--r--arch/x86/kernel/tsc_sync.c10
5 files changed, 20 insertions, 20 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index d5d498fbee4..11a5851f1f5 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2431,7 +2431,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
continue;
cfg = irq_cfg(irq);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
goto unlock;
@@ -2450,7 +2450,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
}
__get_cpu_var(vector_irq)[vector] = -1;
unlock:
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
irq_exit();
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index b8ce165dde5..0a0aa1cec8f 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -188,7 +188,7 @@ void dump_stack(void)
}
EXPORT_SYMBOL(dump_stack);
-static raw_spinlock_t die_lock = __RAW_SPIN_LOCK_UNLOCKED;
+static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED;
static int die_owner = -1;
static unsigned int die_nest_count;
@@ -207,11 +207,11 @@ unsigned __kprobes long oops_begin(void)
/* racy, but better than risking deadlock. */
raw_local_irq_save(flags);
cpu = smp_processor_id();
- if (!__raw_spin_trylock(&die_lock)) {
+ if (!arch_spin_trylock(&die_lock)) {
if (cpu == die_owner)
/* nested oops. should stop eventually */;
else
- __raw_spin_lock(&die_lock);
+ arch_spin_lock(&die_lock);
}
die_nest_count++;
die_owner = cpu;
@@ -231,7 +231,7 @@ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr)
die_nest_count--;
if (!die_nest_count)
/* Nest count reaches zero, release the lock. */
- __raw_spin_unlock(&die_lock);
+ arch_spin_unlock(&die_lock);
raw_local_irq_restore(flags);
oops_exit();
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 664bcb7384a..91fd0c70a18 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -149,7 +149,7 @@ int show_interrupts(struct seq_file *p, void *v)
if (!desc)
return 0;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
for_each_online_cpu(j)
any_count |= kstat_irqs_cpu(i, j);
action = desc->action;
@@ -170,7 +170,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
out:
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
@@ -294,12 +294,12 @@ void fixup_irqs(void)
continue;
/* interrupt's are disabled at this point */
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
affinity = desc->affinity;
if (!irq_has_action(irq) ||
cpumask_equal(affinity, cpu_online_mask)) {
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
continue;
}
@@ -326,7 +326,7 @@ void fixup_irqs(void)
if (!(desc->status & IRQ_MOVE_PCNTXT) && desc->chip->unmask)
desc->chip->unmask(irq);
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
if (break_affinity && set_affinity)
printk("Broke affinity for irq %i\n", irq);
@@ -356,10 +356,10 @@ void fixup_irqs(void)
irq = __get_cpu_var(vector_irq)[vector];
desc = irq_to_desc(irq);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (desc->chip->retrigger)
desc->chip->retrigger(irq);
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
}
}
diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
index 3a7c5a44082..676b8c77a97 100644
--- a/arch/x86/kernel/paravirt-spinlocks.c
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -8,9 +8,9 @@
#include <asm/paravirt.h>
static inline void
-default_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
+default_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
{
- __raw_spin_lock(lock);
+ arch_spin_lock(lock);
}
struct pv_lock_ops pv_lock_ops = {
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index eed156851f5..0aa5fed8b9e 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -33,7 +33,7 @@ static __cpuinitdata atomic_t stop_count;
* we want to have the fastest, inlined, non-debug version
* of a critical section, to be able to prove TSC time-warps:
*/
-static __cpuinitdata raw_spinlock_t sync_lock = __RAW_SPIN_LOCK_UNLOCKED;
+static __cpuinitdata arch_spinlock_t sync_lock = __ARCH_SPIN_LOCK_UNLOCKED;
static __cpuinitdata cycles_t last_tsc;
static __cpuinitdata cycles_t max_warp;
@@ -62,13 +62,13 @@ static __cpuinit void check_tsc_warp(void)
* previous TSC that was measured (possibly on
* another CPU) and update the previous TSC timestamp.
*/
- __raw_spin_lock(&sync_lock);
+ arch_spin_lock(&sync_lock);
prev = last_tsc;
rdtsc_barrier();
now = get_cycles();
rdtsc_barrier();
last_tsc = now;
- __raw_spin_unlock(&sync_lock);
+ arch_spin_unlock(&sync_lock);
/*
* Be nice every now and then (and also check whether
@@ -87,10 +87,10 @@ static __cpuinit void check_tsc_warp(void)
* we saw a time-warp of the TSC going backwards:
*/
if (unlikely(prev > now)) {
- __raw_spin_lock(&sync_lock);
+ arch_spin_lock(&sync_lock);
max_warp = max(max_warp, prev - now);
nr_warps++;
- __raw_spin_unlock(&sync_lock);
+ arch_spin_unlock(&sync_lock);
}
}
WARN(!(now-start),