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| author | Takashi Iwai <tiwai@suse.de> | 2009-12-15 04:29:06 -0500 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-12-15 04:29:06 -0500 |
| commit | 709334c87dbdb44150ce436b3d13c814db0dcae9 (patch) | |
| tree | 5861a45f70c1f283720337abd864498f5afb3dbe /include/linux/smp_lock.h | |
| parent | 0d64b568fcd48b133721c1d322e7c51d85eb12df (diff) | |
| parent | f74890277a196949e4004fe2955e1d4fb3930f98 (diff) | |
Merge branch 'fixes' of git://git.alsa-project.org/alsa-kernel into for-linus
Diffstat (limited to 'include/linux/smp_lock.h')
| -rw-r--r-- | include/linux/smp_lock.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h index 813be59bf345..2ea1dd1ba21c 100644 --- a/include/linux/smp_lock.h +++ b/include/linux/smp_lock.h | |||
| @@ -24,8 +24,21 @@ static inline int reacquire_kernel_lock(struct task_struct *task) | |||
| 24 | return 0; | 24 | return 0; |
| 25 | } | 25 | } |
| 26 | 26 | ||
| 27 | extern void __lockfunc lock_kernel(void) __acquires(kernel_lock); | 27 | extern void __lockfunc |
| 28 | extern void __lockfunc unlock_kernel(void) __releases(kernel_lock); | 28 | _lock_kernel(const char *func, const char *file, int line) |
| 29 | __acquires(kernel_lock); | ||
| 30 | |||
| 31 | extern void __lockfunc | ||
| 32 | _unlock_kernel(const char *func, const char *file, int line) | ||
| 33 | __releases(kernel_lock); | ||
| 34 | |||
| 35 | #define lock_kernel() do { \ | ||
| 36 | _lock_kernel(__func__, __FILE__, __LINE__); \ | ||
| 37 | } while (0) | ||
| 38 | |||
| 39 | #define unlock_kernel() do { \ | ||
| 40 | _unlock_kernel(__func__, __FILE__, __LINE__); \ | ||
| 41 | } while (0) | ||
| 29 | 42 | ||
| 30 | /* | 43 | /* |
| 31 | * Various legacy drivers don't really need the BKL in a specific | 44 | * Various legacy drivers don't really need the BKL in a specific |
| @@ -41,8 +54,8 @@ static inline void cycle_kernel_lock(void) | |||
| 41 | 54 | ||
| 42 | #else | 55 | #else |
| 43 | 56 | ||
| 44 | #define lock_kernel() do { } while(0) | 57 | #define lock_kernel() |
| 45 | #define unlock_kernel() do { } while(0) | 58 | #define unlock_kernel() |
| 46 | #define release_kernel_lock(task) do { } while(0) | 59 | #define release_kernel_lock(task) do { } while(0) |
| 47 | #define cycle_kernel_lock() do { } while(0) | 60 | #define cycle_kernel_lock() do { } while(0) |
| 48 | #define reacquire_kernel_lock(task) 0 | 61 | #define reacquire_kernel_lock(task) 0 |
