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authorThomas Gleixner <tglx@linutronix.de>2007-07-21 17:11:18 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 18:37:12 -0700
commit28318daf791b692f2654cb9c89687388063bd42b (patch)
tree6ec7b7d3862c513135455156d17c738ec15aebf7 /include/asm-x86_64
parent021daae2c265a844fd27bb6cc49c2bd114571069 (diff)
downloadlinux-28318daf791b692f2654cb9c89687388063bd42b.tar.gz
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')
-rw-r--r--include/asm-x86_64/i8253.h6
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 00000000000..015d8df0769
--- /dev/null
+++ b/include/asm-x86_64/i8253.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_I8253_H__
+#define __ASM_I8253_H__
+
+extern spinlock_t i8253_lock;
+
+#endif /* __ASM_I8253_H__ */