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| author | Dave Jones <davej@redhat.com> | 2005-08-17 22:56:07 -0700 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2005-08-17 22:56:07 -0700 |
| commit | a8b3e6f10f08f66ae1072efd087b30966a3654f6 (patch) | |
| tree | 1d1409855f8ad5beabafe061c6453edd84ba94c8 /include/linux/kernel.h | |
| parent | 46acac3b4fd8ef66eec63b51de8d556a17c7d4f7 (diff) | |
| parent | 099d44e869f1886b5eb02a5145ca97b5e4142e28 (diff) | |
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e25b97062ce1..687ba8c9973d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -58,15 +58,23 @@ struct completion; * be biten later when the calling function happens to sleep when it is not * supposed to. */ +#ifdef CONFIG_PREEMPT_VOLUNTARY +extern int cond_resched(void); +# define might_resched() cond_resched() +#else +# define might_resched() do { } while (0) +#endif + #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP -#define might_sleep() __might_sleep(__FILE__, __LINE__) -#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0) -void __might_sleep(char *file, int line); + void __might_sleep(char *file, int line); +# define might_sleep() \ + do { __might_sleep(__FILE__, __LINE__); might_resched(); } while (0) #else -#define might_sleep() do {} while(0) -#define might_sleep_if(cond) do {} while (0) +# define might_sleep() do { might_resched(); } while (0) #endif +#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0) + #define abs(x) ({ \ int __x = (x); \ (__x < 0) ? -__x : __x; \ |