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| author |   Jeff Garzik <jeff@garzik.org> | 2006-06-22 22:51:46 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-06-22 22:51:46 -0400 |
| commit | dbe1ab9514c231c9b062140a107d9dea0eabefcc (patch) | |
| tree | 0001c7143cf923fc704215f0a0e54221e9e5cbb9 /include/asm-sparc/spinlock.h | |
| parent | [PATCH] s2io: netpoll support (diff) | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6 (diff) | |
| download | linux-dev-dbe1ab9514c231c9b062140a107d9dea0eabefcc.tar.xz linux-dev-dbe1ab9514c231c9b062140a107d9dea0eabefcc.zip | |
Merge branch 'master' into upstream
Diffstat (limited to 'include/asm-sparc/spinlock.h')
| -rw-r--r-- | include/asm-sparc/spinlock.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-sparc/spinlock.h b/include/asm-sparc/spinlock.h index 3350c90c7869..1c75474ba1df 100644 --- a/include/asm-sparc/spinlock.h +++ b/include/asm-sparc/spinlock.h @@ -154,6 +154,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw) #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) #define __raw_read_trylock(lock) generic__raw_read_trylock(lock) +#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff)) +#define __raw_write_can_lock(rw) (!(rw)->lock) + #endif /* !(__ASSEMBLY__) */ #endif /* __SPARC_SPINLOCK_H */ |