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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/alpha
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/alpha')
-rw-r--r--arch/alpha/include/asm/core_t2.h34
-rw-r--r--arch/alpha/include/asm/spinlock.h38
-rw-r--r--arch/alpha/include/asm/spinlock_types.h8
-rw-r--r--arch/alpha/kernel/core_t2.c2
-rw-r--r--arch/alpha/kernel/irq.c4
5 files changed, 43 insertions, 43 deletions
diff --git a/arch/alpha/include/asm/core_t2.h b/arch/alpha/include/asm/core_t2.h
index 46bfff5..471c072 100644
--- a/arch/alpha/include/asm/core_t2.h
+++ b/arch/alpha/include/asm/core_t2.h
@@ -435,7 +435,7 @@ extern inline void t2_outl(u32 b, unsigned long addr)
set_hae(msb); \
}
-extern spinlock_t t2_hae_lock;
+extern raw_spinlock_t t2_hae_lock;
/*
* NOTE: take T2_DENSE_MEM off in each readX/writeX routine, since
@@ -448,12 +448,12 @@ __EXTERN_INLINE u8 t2_readb(const volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long result, msb;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
result = *(vip) ((addr << 5) + T2_SPARSE_MEM + 0x00);
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
return __kernel_extbl(result, addr & 3);
}
@@ -462,12 +462,12 @@ __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long result, msb;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08);
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
return __kernel_extwl(result, addr & 3);
}
@@ -480,12 +480,12 @@ __EXTERN_INLINE u32 t2_readl(const volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long result, msb;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18);
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
return result & 0xffffffffUL;
}
@@ -494,14 +494,14 @@ __EXTERN_INLINE u64 t2_readq(const volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long r0, r1, work, msb;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
work = (addr << 5) + T2_SPARSE_MEM + 0x18;
r0 = *(vuip)(work);
r1 = *(vuip)(work + (4 << 5));
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
return r1 << 32 | r0;
}
@@ -510,13 +510,13 @@ __EXTERN_INLINE void t2_writeb(u8 b, volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long msb, w;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
w = __kernel_insbl(b, addr & 3);
*(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x00) = w;
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
}
__EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
@@ -524,13 +524,13 @@ __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long msb, w;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
w = __kernel_inswl(b, addr & 3);
*(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08) = w;
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
}
/*
@@ -542,12 +542,12 @@ __EXTERN_INLINE void t2_writel(u32 b, volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long msb;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
*(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18) = b;
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
}
__EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr)
@@ -555,14 +555,14 @@ __EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr)
unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
unsigned long msb, work;
unsigned long flags;
- spin_lock_irqsave(&t2_hae_lock, flags);
+ raw_spin_lock_irqsave(&t2_hae_lock, flags);
t2_set_hae;
work = (addr << 5) + T2_SPARSE_MEM + 0x18;
*(vuip)work = b;
*(vuip)(work + (4 << 5)) = b >> 32;
- spin_unlock_irqrestore(&t2_hae_lock, flags);
+ raw_spin_unlock_irqrestore(&t2_hae_lock, flags);
}
__EXTERN_INLINE void __iomem *t2_ioportmap(unsigned long addr)
diff --git a/arch/alpha/include/asm/spinlock.h b/arch/alpha/include/asm/spinlock.h
index e38fb95..d0faca1 100644
--- a/arch/alpha/include/asm/spinlock.h
+++ b/arch/alpha/include/asm/spinlock.h
@@ -12,18 +12,18 @@
* We make no fairness assumptions. They have a cost.
*/
-#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
-#define __raw_spin_is_locked(x) ((x)->lock != 0)
-#define __raw_spin_unlock_wait(x) \
+#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
+#define arch_spin_is_locked(x) ((x)->lock != 0)
+#define arch_spin_unlock_wait(x) \
do { cpu_relax(); } while ((x)->lock)
-static inline void __raw_spin_unlock(raw_spinlock_t * lock)
+static inline void arch_spin_unlock(arch_spinlock_t * lock)
{
mb();
lock->lock = 0;
}
-static inline void __raw_spin_lock(raw_spinlock_t * lock)
+static inline void arch_spin_lock(arch_spinlock_t * lock)
{
long tmp;
@@ -43,24 +43,24 @@ static inline void __raw_spin_lock(raw_spinlock_t * lock)
: "m"(lock->lock) : "memory");
}
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+static inline int arch_spin_trylock(arch_spinlock_t *lock)
{
return !test_and_set_bit(0, &lock->lock);
}
/***********************************************************/
-static inline int __raw_read_can_lock(raw_rwlock_t *lock)
+static inline int arch_read_can_lock(arch_rwlock_t *lock)
{
return (lock->lock & 1) == 0;
}
-static inline int __raw_write_can_lock(raw_rwlock_t *lock)
+static inline int arch_write_can_lock(arch_rwlock_t *lock)
{
return lock->lock == 0;
}
-static inline void __raw_read_lock(raw_rwlock_t *lock)
+static inline void arch_read_lock(arch_rwlock_t *lock)
{
long regx;
@@ -80,7 +80,7 @@ static inline void __raw_read_lock(raw_rwlock_t *lock)
: "m" (*lock) : "memory");
}
-static inline void __raw_write_lock(raw_rwlock_t *lock)
+static inline void arch_write_lock(arch_rwlock_t *lock)
{
long regx;
@@ -100,7 +100,7 @@ static inline void __raw_write_lock(raw_rwlock_t *lock)
: "m" (*lock) : "memory");
}
-static inline int __raw_read_trylock(raw_rwlock_t * lock)
+static inline int arch_read_trylock(arch_rwlock_t * lock)
{
long regx;
int success;
@@ -122,7 +122,7 @@ static inline int __raw_read_trylock(raw_rwlock_t * lock)
return success;
}
-static inline int __raw_write_trylock(raw_rwlock_t * lock)
+static inline int arch_write_trylock(arch_rwlock_t * lock)
{
long regx;
int success;
@@ -144,7 +144,7 @@ static inline int __raw_write_trylock(raw_rwlock_t * lock)
return success;
}
-static inline void __raw_read_unlock(raw_rwlock_t * lock)
+static inline void arch_read_unlock(arch_rwlock_t * lock)
{
long regx;
__asm__ __volatile__(
@@ -160,17 +160,17 @@ static inline void __raw_read_unlock(raw_rwlock_t * lock)
: "m" (*lock) : "memory");
}
-static inline void __raw_write_unlock(raw_rwlock_t * lock)
+static inline void arch_write_unlock(arch_rwlock_t * lock)
{
mb();
lock->lock = 0;
}
-#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 /* _ALPHA_SPINLOCK_H */
diff --git a/arch/alpha/include/asm/spinlock_types.h b/arch/alpha/include/asm/spinlock_types.h
index 8141eb5..54c2afc 100644
--- a/arch/alpha/include/asm/spinlock_types.h
+++ b/arch/alpha/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/alpha/kernel/core_t2.c b/arch/alpha/kernel/core_t2.c
index d9980d4..e6d9056 100644
--- a/arch/alpha/kernel/core_t2.c
+++ b/arch/alpha/kernel/core_t2.c
@@ -74,7 +74,7 @@
# define DBG(args)
#endif
-DEFINE_SPINLOCK(t2_hae_lock);
+DEFINE_RAW_SPINLOCK(t2_hae_lock);
static volatile unsigned int t2_mcheck_any_expected;
static volatile unsigned int t2_mcheck_last_taken;
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index c0de072..5f2cf23 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -81,7 +81,7 @@ show_interrupts(struct seq_file *p, void *v)
#endif
if (irq < ACTUAL_NR_IRQS) {
- spin_lock_irqsave(&irq_desc[irq].lock, flags);
+ raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
action = irq_desc[irq].action;
if (!action)
goto unlock;
@@ -105,7 +105,7 @@ show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
unlock:
- spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
} else if (irq == ACTUAL_NR_IRQS) {
#ifdef CONFIG_SMP
seq_puts(p, "IPI: ");