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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/arm
parent050cbb09dac0402672edeaeac06094ef8ff1749a (diff)
parentb5f91da0a6973bb6f9ff3b91b0e92c0773a458f3 (diff)
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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/arm')
-rw-r--r--arch/arm/include/asm/mach/irq.h4
-rw-r--r--arch/arm/include/asm/spinlock.h40
-rw-r--r--arch/arm/include/asm/spinlock_types.h8
-rw-r--r--arch/arm/kernel/irq.c12
-rw-r--r--arch/arm/mach-ns9xxx/irq.c8
5 files changed, 36 insertions, 36 deletions
diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h
index acac5302e4e..8920b2d6e3b 100644
--- a/arch/arm/include/asm/mach/irq.h
+++ b/arch/arm/include/asm/mach/irq.h
@@ -26,9 +26,9 @@ extern int show_fiq_list(struct seq_file *, void *);
*/
#define do_bad_IRQ(irq,desc) \
do { \
- spin_lock(&desc->lock); \
+ raw_spin_lock(&desc->lock); \
handle_bad_irq(irq, desc); \
- spin_unlock(&desc->lock); \
+ raw_spin_unlock(&desc->lock); \
} while(0)
#endif
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index c13681ac1ed..c91c64cab92 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -17,13 +17,13 @@
* Locked value: 1
*/
-#define __raw_spin_is_locked(x) ((x)->lock != 0)
-#define __raw_spin_unlock_wait(lock) \
- do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0)
+#define arch_spin_is_locked(x) ((x)->lock != 0)
+#define arch_spin_unlock_wait(lock) \
+ do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
-#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
+#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
+static inline void arch_spin_lock(arch_spinlock_t *lock)
{
unsigned long tmp;
@@ -43,7 +43,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
smp_mb();
}
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+static inline int arch_spin_trylock(arch_spinlock_t *lock)
{
unsigned long tmp;
@@ -63,7 +63,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
}
}
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
+static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
smp_mb();
@@ -86,7 +86,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
* just write zero since the lock is exclusively held.
*/
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void arch_write_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
@@ -106,7 +106,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
smp_mb();
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int arch_write_trylock(arch_rwlock_t *rw)
{
unsigned long tmp;
@@ -126,7 +126,7 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
}
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void arch_write_unlock(arch_rwlock_t *rw)
{
smp_mb();
@@ -142,7 +142,7 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
}
/* write_can_lock - would write_trylock() succeed? */
-#define __raw_write_can_lock(x) ((x)->lock == 0)
+#define arch_write_can_lock(x) ((x)->lock == 0)
/*
* Read locks are a bit more hairy:
@@ -156,7 +156,7 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
* currently active. However, we know we won't have any write
* locks.
*/
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void arch_read_lock(arch_rwlock_t *rw)
{
unsigned long tmp, tmp2;
@@ -176,7 +176,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
smp_mb();
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void arch_read_unlock(arch_rwlock_t *rw)
{
unsigned long tmp, tmp2;
@@ -198,7 +198,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
: "cc");
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int arch_read_trylock(arch_rwlock_t *rw)
{
unsigned long tmp, tmp2 = 1;
@@ -215,13 +215,13 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw)
}
/* read_can_lock - would read_trylock() succeed? */
-#define __raw_read_can_lock(x) ((x)->lock < 0x80000000)
+#define arch_read_can_lock(x) ((x)->lock < 0x80000000)
-#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
-#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
-#define _raw_spin_relax(lock) cpu_relax()
-#define _raw_read_relax(lock) cpu_relax()
-#define _raw_write_relax(lock) cpu_relax()
+#define arch_spin_relax(lock) cpu_relax()
+#define arch_read_relax(lock) cpu_relax()
+#define arch_write_relax(lock) cpu_relax()
#endif /* __ASM_SPINLOCK_H */
diff --git a/arch/arm/include/asm/spinlock_types.h b/arch/arm/include/asm/spinlock_types.h
index 43e83f6d2ee..d14d197ae04 100644
--- a/arch/arm/include/asm/spinlock_types.h
+++ b/arch/arm/include/asm/spinlock_types.h
@@ -7,14 +7,14 @@
typedef struct {
volatile unsigned int lock;
-} raw_spinlock_t;
+} arch_spinlock_t;
-#define __RAW_SPIN_LOCK_UNLOCKED { 0 }
+#define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index c9a8619f385..b7cb45bb91e 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -69,7 +69,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
- spin_lock_irqsave(&irq_desc[i].lock, flags);
+ raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto unlock;
@@ -84,7 +84,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
unlock:
- spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
#ifdef CONFIG_FIQ
show_fiq_list(p, v);
@@ -139,7 +139,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
}
desc = irq_desc + irq;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
if (iflags & IRQF_VALID)
desc->status &= ~IRQ_NOREQUEST;
@@ -147,7 +147,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
desc->status &= ~IRQ_NOPROBE;
if (!(iflags & IRQF_NOAUTOEN))
desc->status &= ~IRQ_NOAUTOEN;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
void __init init_IRQ(void)
@@ -166,9 +166,9 @@ static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
{
pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->node, cpu);
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
desc->chip->set_affinity(irq, cpumask_of(cpu));
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
}
/*
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c
index feb0e54a91d..038f24d4702 100644
--- a/arch/arm/mach-ns9xxx/irq.c
+++ b/arch/arm/mach-ns9xxx/irq.c
@@ -66,7 +66,7 @@ static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
struct irqaction *action;
irqreturn_t action_ret;
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
BUG_ON(desc->status & IRQ_INPROGRESS);
@@ -78,7 +78,7 @@ static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
goto out_mask;
desc->status |= IRQ_INPROGRESS;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
@@ -87,7 +87,7 @@ static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
* Maybe this function should go to kernel/irq/chip.c? */
note_interrupt(irq, desc, action_ret);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
if (desc->status & IRQ_DISABLED)
@@ -97,7 +97,7 @@ out_mask:
/* ack unconditionally to unmask lower prio irqs */
desc->chip->ack(irq);
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
#define handle_irq handle_prio_irq
#endif