diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2007-07-21 11:11:18 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-21 21:37:12 -0400 |
| commit | 28318daf791b692f2654cb9c89687388063bd42b (patch) | |
| tree | 6ec7b7d3862c513135455156d17c738ec15aebf7 /include/asm-x86_64/i8253.h | |
| parent | 021daae2c265a844fd27bb6cc49c2bd114571069 (diff) | |
x86_64: use the global PIT lock
Replace the pcspkr private PIT lock by the global PIT lock to serialize the
PIT access all over the place.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-x86_64/i8253.h')
| -rw-r--r-- | include/asm-x86_64/i8253.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-x86_64/i8253.h b/include/asm-x86_64/i8253.h new file mode 100644 index 000000000000..015d8df07690 --- /dev/null +++ b/include/asm-x86_64/i8253.h | |||
| @@ -0,0 +1,6 @@ | |||
| 1 | #ifndef __ASM_I8253_H__ | ||
| 2 | #define __ASM_I8253_H__ | ||
| 3 | |||
| 4 | extern spinlock_t i8253_lock; | ||
| 5 | |||
| 6 | #endif /* __ASM_I8253_H__ */ | ||