diff options
| author | Steve French <sfrench@hera.kernel.org> | 2005-06-30 20:57:39 -0700 |
|---|---|---|
| committer | Steve French <sfrench@hera.kernel.org> | 2005-06-30 20:57:39 -0700 |
| commit | ab997aaeb9cf7a0da1cecc46c5bb6c7262416917 (patch) | |
| tree | b8a09ed676101a2478d17c1d71da1274293c3c64 /include/linux/kernel.h | |
| parent | fa5cfae37799177769e9ae2c0527fbdfea462fa9 (diff) | |
| parent | bd53d1270f51c6cfb53b06c8f93fd42327871d6b (diff) | |
Merge with rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
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; \ |