From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Linux-Arch <linux-arch@vger.kernel.org>
Subject: [patch 03/23] locking: Separate rwlock api from spinlock api
Date: Sun, 06 Dec 2009 18:02:00 -0000 [thread overview]
Message-ID: <20091206111957.418057255@linutronix.de> (raw)
In-Reply-To: 20091206110944.492100233@linutronix.de
[-- Attachment #1: locking-split-rwlock-api-from-spinlock-api.patch --]
[-- Type: text/plain, Size: 19163 bytes --]
Move the rwlock smp api defines and functions into a separate header
file. Makes the -rt selection simpler and less intrusive.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/rwlock_api_smp.h | 277 +++++++++++++++++++++++++++++++++++++++
include/linux/spinlock_api_smp.h | 252 -----------------------------------
2 files changed, 280 insertions(+), 249 deletions(-)
Index: linux-2.6-tip/include/linux/rwlock_api_smp.h
===================================================================
--- /dev/null
+++ linux-2.6-tip/include/linux/rwlock_api_smp.h
@@ -0,0 +1,277 @@
+#ifndef __LINUX_RWLOCK_API_SMP_H
+#define __LINUX_RWLOCK_API_SMP_H
+
+#ifndef __LINUX_SPINLOCK_API_SMP_H
+# error "please don't include this file directly"
+#endif
+
+/*
+ * include/linux/rwlock_api_smp.h
+ *
+ * spinlock API declarations on SMP (and debug)
+ * (implemented in kernel/spinlock.c)
+ *
+ * portions Copyright 2005, Red Hat, Inc., Ingo Molnar
+ * Released under the General Public License (GPL).
+ */
+
+void __lockfunc _read_lock(rwlock_t *lock) __acquires(lock);
+void __lockfunc _write_lock(rwlock_t *lock) __acquires(lock);
+void __lockfunc _read_lock_bh(rwlock_t *lock) __acquires(lock);
+void __lockfunc _write_lock_bh(rwlock_t *lock) __acquires(lock);
+void __lockfunc _read_lock_irq(rwlock_t *lock) __acquires(lock);
+void __lockfunc _write_lock_irq(rwlock_t *lock) __acquires(lock);
+unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
+ __acquires(lock);
+unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
+ __acquires(lock);
+int __lockfunc _read_trylock(rwlock_t *lock);
+int __lockfunc _write_trylock(rwlock_t *lock);
+void __lockfunc _read_unlock(rwlock_t *lock) __releases(lock);
+void __lockfunc _write_unlock(rwlock_t *lock) __releases(lock);
+void __lockfunc _read_unlock_bh(rwlock_t *lock) __releases(lock);
+void __lockfunc _write_unlock_bh(rwlock_t *lock) __releases(lock);
+void __lockfunc _read_unlock_irq(rwlock_t *lock) __releases(lock);
+void __lockfunc _write_unlock_irq(rwlock_t *lock) __releases(lock);
+void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
+ __releases(lock);
+void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
+ __releases(lock);
+
+#ifdef CONFIG_INLINE_READ_LOCK
+#define _read_lock(lock) __read_lock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_LOCK
+#define _write_lock(lock) __write_lock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_LOCK_BH
+#define _read_lock_bh(lock) __read_lock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_LOCK_BH
+#define _write_lock_bh(lock) __write_lock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_LOCK_IRQ
+#define _read_lock_irq(lock) __read_lock_irq(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_LOCK_IRQ
+#define _write_lock_irq(lock) __write_lock_irq(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE
+#define _read_lock_irqsave(lock) __read_lock_irqsave(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE
+#define _write_lock_irqsave(lock) __write_lock_irqsave(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_TRYLOCK
+#define _read_trylock(lock) __read_trylock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_TRYLOCK
+#define _write_trylock(lock) __write_trylock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_UNLOCK
+#define _read_unlock(lock) __read_unlock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_UNLOCK
+#define _write_unlock(lock) __write_unlock(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_UNLOCK_BH
+#define _read_unlock_bh(lock) __read_unlock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_UNLOCK_BH
+#define _write_unlock_bh(lock) __write_unlock_bh(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_UNLOCK_IRQ
+#define _read_unlock_irq(lock) __read_unlock_irq(lock)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ
+#define _write_unlock_irq(lock) __write_unlock_irq(lock)
+#endif
+
+#ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE
+#define _read_unlock_irqrestore(lock, flags) __read_unlock_irqrestore(lock, flags)
+#endif
+
+#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE
+#define _write_unlock_irqrestore(lock, flags) __write_unlock_irqrestore(lock, flags)
+#endif
+
+static inline int __read_trylock(rwlock_t *lock)
+{
+ preempt_disable();
+ if (_raw_read_trylock(lock)) {
+ rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
+ return 1;
+ }
+ preempt_enable();
+ return 0;
+}
+
+static inline int __write_trylock(rwlock_t *lock)
+{
+ preempt_disable();
+ if (_raw_write_trylock(lock)) {
+ rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_);
+ return 1;
+ }
+ preempt_enable();
+ return 0;
+}
+
+/*
+ * If lockdep is enabled then we use the non-preemption spin-ops
+ * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are
+ * not re-enabled during lock-acquire (which the preempt-spin-ops do):
+ */
+#if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC)
+
+static inline void __read_lock(rwlock_t *lock)
+{
+ preempt_disable();
+ rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
+}
+
+static inline unsigned long __read_lock_irqsave(rwlock_t *lock)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ preempt_disable();
+ rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED_FLAGS(lock, _raw_read_trylock, _raw_read_lock,
+ _raw_read_lock_flags, &flags);
+ return flags;
+}
+
+static inline void __read_lock_irq(rwlock_t *lock)
+{
+ local_irq_disable();
+ preempt_disable();
+ rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
+}
+
+static inline void __read_lock_bh(rwlock_t *lock)
+{
+ local_bh_disable();
+ preempt_disable();
+ rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
+}
+
+static inline unsigned long __write_lock_irqsave(rwlock_t *lock)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ preempt_disable();
+ rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED_FLAGS(lock, _raw_write_trylock, _raw_write_lock,
+ _raw_write_lock_flags, &flags);
+ return flags;
+}
+
+static inline void __write_lock_irq(rwlock_t *lock)
+{
+ local_irq_disable();
+ preempt_disable();
+ rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+}
+
+static inline void __write_lock_bh(rwlock_t *lock)
+{
+ local_bh_disable();
+ preempt_disable();
+ rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+}
+
+static inline void __write_lock(rwlock_t *lock)
+{
+ preempt_disable();
+ rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+ LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+}
+
+#endif /* CONFIG_PREEMPT */
+
+static inline void __write_unlock(rwlock_t *lock)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_write_unlock(lock);
+ preempt_enable();
+}
+
+static inline void __read_unlock(rwlock_t *lock)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_read_unlock(lock);
+ preempt_enable();
+}
+
+static inline void __read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_read_unlock(lock);
+ local_irq_restore(flags);
+ preempt_enable();
+}
+
+static inline void __read_unlock_irq(rwlock_t *lock)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_read_unlock(lock);
+ local_irq_enable();
+ preempt_enable();
+}
+
+static inline void __read_unlock_bh(rwlock_t *lock)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_read_unlock(lock);
+ preempt_enable_no_resched();
+ local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+}
+
+static inline void __write_unlock_irqrestore(rwlock_t *lock,
+ unsigned long flags)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_write_unlock(lock);
+ local_irq_restore(flags);
+ preempt_enable();
+}
+
+static inline void __write_unlock_irq(rwlock_t *lock)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_write_unlock(lock);
+ local_irq_enable();
+ preempt_enable();
+}
+
+static inline void __write_unlock_bh(rwlock_t *lock)
+{
+ rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ _raw_write_unlock(lock);
+ preempt_enable_no_resched();
+ local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+}
+
+#endif /* __LINUX_RWLOCK_API_SMP_H */
Index: linux-2.6-tip/include/linux/spinlock_api_smp.h
===================================================================
--- linux-2.6-tip.orig/include/linux/spinlock_api_smp.h
+++ linux-2.6-tip/include/linux/spinlock_api_smp.h
@@ -24,102 +24,41 @@ void __lockfunc _spin_lock_nested(spinlo
__acquires(lock);
void __lockfunc _spin_lock_nest_lock(spinlock_t *lock, struct lockdep_map *map)
__acquires(lock);
-void __lockfunc _read_lock(rwlock_t *lock) __acquires(lock);
-void __lockfunc _write_lock(rwlock_t *lock) __acquires(lock);
void __lockfunc _spin_lock_bh(spinlock_t *lock) __acquires(lock);
-void __lockfunc _read_lock_bh(rwlock_t *lock) __acquires(lock);
-void __lockfunc _write_lock_bh(rwlock_t *lock) __acquires(lock);
void __lockfunc _spin_lock_irq(spinlock_t *lock) __acquires(lock);
-void __lockfunc _read_lock_irq(rwlock_t *lock) __acquires(lock);
-void __lockfunc _write_lock_irq(rwlock_t *lock) __acquires(lock);
+
unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock)
__acquires(lock);
unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
__acquires(lock);
-unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
- __acquires(lock);
-unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
- __acquires(lock);
int __lockfunc _spin_trylock(spinlock_t *lock);
-int __lockfunc _read_trylock(rwlock_t *lock);
-int __lockfunc _write_trylock(rwlock_t *lock);
int __lockfunc _spin_trylock_bh(spinlock_t *lock);
void __lockfunc _spin_unlock(spinlock_t *lock) __releases(lock);
-void __lockfunc _read_unlock(rwlock_t *lock) __releases(lock);
-void __lockfunc _write_unlock(rwlock_t *lock) __releases(lock);
void __lockfunc _spin_unlock_bh(spinlock_t *lock) __releases(lock);
-void __lockfunc _read_unlock_bh(rwlock_t *lock) __releases(lock);
-void __lockfunc _write_unlock_bh(rwlock_t *lock) __releases(lock);
void __lockfunc _spin_unlock_irq(spinlock_t *lock) __releases(lock);
-void __lockfunc _read_unlock_irq(rwlock_t *lock) __releases(lock);
-void __lockfunc _write_unlock_irq(rwlock_t *lock) __releases(lock);
void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
__releases(lock);
-void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
- __releases(lock);
-void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
- __releases(lock);
#ifdef CONFIG_INLINE_SPIN_LOCK
#define _spin_lock(lock) __spin_lock(lock)
#endif
-#ifdef CONFIG_INLINE_READ_LOCK
-#define _read_lock(lock) __read_lock(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_LOCK
-#define _write_lock(lock) __write_lock(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_LOCK_BH
#define _spin_lock_bh(lock) __spin_lock_bh(lock)
#endif
-#ifdef CONFIG_INLINE_READ_LOCK_BH
-#define _read_lock_bh(lock) __read_lock_bh(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_LOCK_BH
-#define _write_lock_bh(lock) __write_lock_bh(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_LOCK_IRQ
#define _spin_lock_irq(lock) __spin_lock_irq(lock)
#endif
-#ifdef CONFIG_INLINE_READ_LOCK_IRQ
-#define _read_lock_irq(lock) __read_lock_irq(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_LOCK_IRQ
-#define _write_lock_irq(lock) __write_lock_irq(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE
#define _spin_lock_irqsave(lock) __spin_lock_irqsave(lock)
#endif
-#ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE
-#define _read_lock_irqsave(lock) __read_lock_irqsave(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE
-#define _write_lock_irqsave(lock) __write_lock_irqsave(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_TRYLOCK
#define _spin_trylock(lock) __spin_trylock(lock)
#endif
-#ifdef CONFIG_INLINE_READ_TRYLOCK
-#define _read_trylock(lock) __read_trylock(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_TRYLOCK
-#define _write_trylock(lock) __write_trylock(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH
#define _spin_trylock_bh(lock) __spin_trylock_bh(lock)
#endif
@@ -128,50 +67,18 @@ void __lockfunc _write_unlock_irqrestore
#define _spin_unlock(lock) __spin_unlock(lock)
#endif
-#ifdef CONFIG_INLINE_READ_UNLOCK
-#define _read_unlock(lock) __read_unlock(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_UNLOCK
-#define _write_unlock(lock) __write_unlock(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_UNLOCK_BH
#define _spin_unlock_bh(lock) __spin_unlock_bh(lock)
#endif
-#ifdef CONFIG_INLINE_READ_UNLOCK_BH
-#define _read_unlock_bh(lock) __read_unlock_bh(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_UNLOCK_BH
-#define _write_unlock_bh(lock) __write_unlock_bh(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ
#define _spin_unlock_irq(lock) __spin_unlock_irq(lock)
#endif
-#ifdef CONFIG_INLINE_READ_UNLOCK_IRQ
-#define _read_unlock_irq(lock) __read_unlock_irq(lock)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ
-#define _write_unlock_irq(lock) __write_unlock_irq(lock)
-#endif
-
#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE
#define _spin_unlock_irqrestore(lock, flags) __spin_unlock_irqrestore(lock, flags)
#endif
-#ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE
-#define _read_unlock_irqrestore(lock, flags) __read_unlock_irqrestore(lock, flags)
-#endif
-
-#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE
-#define _write_unlock_irqrestore(lock, flags) __write_unlock_irqrestore(lock, flags)
-#endif
-
static inline int __spin_trylock(spinlock_t *lock)
{
preempt_disable();
@@ -183,28 +90,6 @@ static inline int __spin_trylock(spinloc
return 0;
}
-static inline int __read_trylock(rwlock_t *lock)
-{
- preempt_disable();
- if (_raw_read_trylock(lock)) {
- rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
- return 1;
- }
- preempt_enable();
- return 0;
-}
-
-static inline int __write_trylock(rwlock_t *lock)
-{
- preempt_disable();
- if (_raw_write_trylock(lock)) {
- rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_);
- return 1;
- }
- preempt_enable();
- return 0;
-}
-
/*
* If lockdep is enabled then we use the non-preemption spin-ops
* even on CONFIG_PREEMPT, because lockdep assumes that interrupts are
@@ -212,13 +97,6 @@ static inline int __write_trylock(rwlock
*/
#if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC)
-static inline void __read_lock(rwlock_t *lock)
-{
- preempt_disable();
- rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
static inline unsigned long __spin_lock_irqsave(spinlock_t *lock)
{
unsigned long flags;
@@ -255,62 +133,6 @@ static inline void __spin_lock_bh(spinlo
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
}
-static inline unsigned long __read_lock_irqsave(rwlock_t *lock)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- preempt_disable();
- rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED_FLAGS(lock, _raw_read_trylock, _raw_read_lock,
- _raw_read_lock_flags, &flags);
- return flags;
-}
-
-static inline void __read_lock_irq(rwlock_t *lock)
-{
- local_irq_disable();
- preempt_disable();
- rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline void __read_lock_bh(rwlock_t *lock)
-{
- local_bh_disable();
- preempt_disable();
- rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
-}
-
-static inline unsigned long __write_lock_irqsave(rwlock_t *lock)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- preempt_disable();
- rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED_FLAGS(lock, _raw_write_trylock, _raw_write_lock,
- _raw_write_lock_flags, &flags);
- return flags;
-}
-
-static inline void __write_lock_irq(rwlock_t *lock)
-{
- local_irq_disable();
- preempt_disable();
- rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
-}
-
-static inline void __write_lock_bh(rwlock_t *lock)
-{
- local_bh_disable();
- preempt_disable();
- rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
-}
-
static inline void __spin_lock(spinlock_t *lock)
{
preempt_disable();
@@ -318,13 +140,6 @@ static inline void __spin_lock(spinlock_
LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
}
-static inline void __write_lock(rwlock_t *lock)
-{
- preempt_disable();
- rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
- LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
-}
-
#endif /* CONFIG_PREEMPT */
static inline void __spin_unlock(spinlock_t *lock)
@@ -334,20 +149,6 @@ static inline void __spin_unlock(spinloc
preempt_enable();
}
-static inline void __write_unlock(rwlock_t *lock)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_write_unlock(lock);
- preempt_enable();
-}
-
-static inline void __read_unlock(rwlock_t *lock)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_read_unlock(lock);
- preempt_enable();
-}
-
static inline void __spin_unlock_irqrestore(spinlock_t *lock,
unsigned long flags)
{
@@ -373,55 +174,6 @@ static inline void __spin_unlock_bh(spin
local_bh_enable_ip((unsigned long)__builtin_return_address(0));
}
-static inline void __read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_read_unlock(lock);
- local_irq_restore(flags);
- preempt_enable();
-}
-
-static inline void __read_unlock_irq(rwlock_t *lock)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_read_unlock(lock);
- local_irq_enable();
- preempt_enable();
-}
-
-static inline void __read_unlock_bh(rwlock_t *lock)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_read_unlock(lock);
- preempt_enable_no_resched();
- local_bh_enable_ip((unsigned long)__builtin_return_address(0));
-}
-
-static inline void __write_unlock_irqrestore(rwlock_t *lock,
- unsigned long flags)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_write_unlock(lock);
- local_irq_restore(flags);
- preempt_enable();
-}
-
-static inline void __write_unlock_irq(rwlock_t *lock)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_write_unlock(lock);
- local_irq_enable();
- preempt_enable();
-}
-
-static inline void __write_unlock_bh(rwlock_t *lock)
-{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
- _raw_write_unlock(lock);
- preempt_enable_no_resched();
- local_bh_enable_ip((unsigned long)__builtin_return_address(0));
-}
-
static inline int __spin_trylock_bh(spinlock_t *lock)
{
local_bh_disable();
@@ -435,4 +187,6 @@ static inline int __spin_trylock_bh(spin
return 0;
}
+#include <linux/rwlock_api_smp.h>
+
#endif /* __LINUX_SPINLOCK_API_SMP_H */
next prev parent reply other threads:[~2009-12-06 18:02 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-06 18:01 [patch 00/23] locking: name space cleanup and -rt spinlock annotation Thomas Gleixner
2009-12-06 18:01 ` [patch 01/23] locking: Reorder functions in spinlock.c Thomas Gleixner
2009-12-06 18:01 ` [patch 02/23] locking: Split rwlock from spinlock headers Thomas Gleixner
2009-12-07 17:28 ` Arnd Bergmann
2009-12-06 18:02 ` Thomas Gleixner [this message]
2009-12-06 18:02 ` [patch 04/23] locking: Convert raw_spinlock to arch_spinlock Thomas Gleixner
2009-12-06 18:10 ` Linus Torvalds
2009-12-06 18:19 ` Ingo Molnar
2009-12-06 18:02 ` [patch 05/23] locking: Rename __RAW_SPIN_LOCK_UNLOCKED to __ARCH_SPIN_LOCK_UNLOCKED Thomas Gleixner
2009-12-06 18:02 ` [patch 06/23] locking: Convert __raw_spin* functions to arch_spin* Thomas Gleixner
2009-12-06 18:02 ` [patch 07/23] locking: Convert raw_rwlock to arch_rwlock Thomas Gleixner
2009-12-06 18:02 ` [patch 08/23] locking: Convert raw_rwlock functions " Thomas Gleixner
2009-12-06 18:02 ` [patch 09/23] locking: Implement new raw_spinlock Thomas Gleixner
2009-12-08 13:33 ` Yong Zhang
2009-12-06 18:02 ` [patch 10/23] locking: Further name space cleanups Thomas Gleixner
2009-12-06 18:02 ` [patch 11/23] locking: Cleanup the name space completely Thomas Gleixner
2009-12-06 18:02 ` [patch 12/23] bkl: Fixup core_lock fallout Thomas Gleixner
2009-12-06 18:02 ` [patch 13/23] plist: Make plist debugging raw_spinlock aware Thomas Gleixner
2009-12-07 1:21 ` Frederic Weisbecker
2009-12-06 18:03 ` [patch 14/23] sched: Convert rq->lock to raw_spinlock Thomas Gleixner
2009-12-06 18:03 ` [patch 15/23] sched: Convert rt_runtime_lock " Thomas Gleixner
2009-12-06 18:03 ` [patch 16/23] sched: Convert cpupri lock " Thomas Gleixner
2009-12-06 18:03 ` [patch 17/23] sched: Convert pi_lock " Thomas Gleixner
2009-12-06 18:03 ` [patch 18/23] rtmutes: Convert rtmutex.lock " Thomas Gleixner
2009-12-06 18:03 ` [patch 19/23] smp: Convert smplocks to raw_spinlocks Thomas Gleixner
2009-12-06 18:03 ` [patch 20/23] genirq: Convert irq_desc.lock to raw_spinlock Thomas Gleixner
2009-12-06 18:03 ` [patch 21/23] hrtimers: Convert to raw_spinlocks Thomas Gleixner
2009-12-06 18:03 ` [patch 22/23] perf_event: Convert to raw_spinlock Thomas Gleixner
2009-12-06 18:03 ` [patch 23/23] debugobjects: Convert to raw_spinlocks Thomas Gleixner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091206111957.418057255@linutronix.de \
--to=tglx@linutronix.de \
--cc=akpm@linux-foundation.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=peterz@infradead.org \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox