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authorTakashi Iwai <tiwai@suse.de>2009-12-15 04:29:06 -0500
committerTakashi Iwai <tiwai@suse.de>2009-12-15 04:29:06 -0500
commit709334c87dbdb44150ce436b3d13c814db0dcae9 (patch)
tree5861a45f70c1f283720337abd864498f5afb3dbe /include/linux/smp_lock.h
parent0d64b568fcd48b133721c1d322e7c51d85eb12df (diff)
parentf74890277a196949e4004fe2955e1d4fb3930f98 (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.h21
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
27extern void __lockfunc lock_kernel(void) __acquires(kernel_lock); 27extern void __lockfunc
28extern void __lockfunc unlock_kernel(void) __releases(kernel_lock); 28_lock_kernel(const char *func, const char *file, int line)
29__acquires(kernel_lock);
30
31extern 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