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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/spinlock_up.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/spinlock_up.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/spinlock_up.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/ANDROID_3.4.5/include/linux/spinlock_up.h b/ANDROID_3.4.5/include/linux/spinlock_up.h deleted file mode 100644 index a26e2fb6..00000000 --- a/ANDROID_3.4.5/include/linux/spinlock_up.h +++ /dev/null @@ -1,78 +0,0 @@ -#ifndef __LINUX_SPINLOCK_UP_H -#define __LINUX_SPINLOCK_UP_H - -#ifndef __LINUX_SPINLOCK_H -# error "please don't include this file directly" -#endif - -#include <asm/processor.h> /* for cpu_relax() */ - -/* - * include/linux/spinlock_up.h - UP-debug version of spinlocks. - * - * portions Copyright 2005, Red Hat, Inc., Ingo Molnar - * Released under the General Public License (GPL). - * - * In the debug case, 1 means unlocked, 0 means locked. (the values - * are inverted, to catch initialization bugs) - * - * No atomicity anywhere, we are on UP. - */ - -#ifdef CONFIG_DEBUG_SPINLOCK -#define arch_spin_is_locked(x) ((x)->slock == 0) - -static inline void arch_spin_lock(arch_spinlock_t *lock) -{ - lock->slock = 0; -} - -static inline void -arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) -{ - local_irq_save(flags); - lock->slock = 0; -} - -static inline int arch_spin_trylock(arch_spinlock_t *lock) -{ - char oldval = lock->slock; - - lock->slock = 0; - - return oldval > 0; -} - -static inline void arch_spin_unlock(arch_spinlock_t *lock) -{ - lock->slock = 1; -} - -/* - * Read-write spinlocks. No debug version. - */ -#define arch_read_lock(lock) do { (void)(lock); } while (0) -#define arch_write_lock(lock) do { (void)(lock); } while (0) -#define arch_read_trylock(lock) ({ (void)(lock); 1; }) -#define arch_write_trylock(lock) ({ (void)(lock); 1; }) -#define arch_read_unlock(lock) do { (void)(lock); } while (0) -#define arch_write_unlock(lock) do { (void)(lock); } while (0) - -#else /* DEBUG_SPINLOCK */ -#define arch_spin_is_locked(lock) ((void)(lock), 0) -/* for sched.c and kernel_lock.c: */ -# define arch_spin_lock(lock) do { (void)(lock); } while (0) -# define arch_spin_lock_flags(lock, flags) do { (void)(lock); } while (0) -# define arch_spin_unlock(lock) do { (void)(lock); } while (0) -# define arch_spin_trylock(lock) ({ (void)(lock); 1; }) -#endif /* DEBUG_SPINLOCK */ - -#define arch_spin_is_contended(lock) (((void)(lock), 0)) - -#define arch_read_can_lock(lock) (((void)(lock), 1)) -#define arch_write_can_lock(lock) (((void)(lock), 1)) - -#define arch_spin_unlock_wait(lock) \ - do { cpu_relax(); } while (arch_spin_is_locked(lock)) - -#endif /* __LINUX_SPINLOCK_UP_H */ |