diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2007-07-21 17:11:18 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-22 03:37:12 +0200 |
| commit | 28318daf791b692f2654cb9c89687388063bd42b (patch) | |
| tree | 6ec7b7d3862c513135455156d17c738ec15aebf7 /arch | |
| parent | x86_64: During VM oom condition, kill all threads in process group (diff) | |
| download | linux-28318daf791b692f2654cb9c89687388063bd42b.tar.xz linux-28318daf791b692f2654cb9c89687388063bd42b.zip | |
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 'arch')
| -rw-r--r-- | arch/x86_64/kernel/time.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 3c34e8def89d..6d48a4e826d9 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -33,6 +33,7 @@ #include <acpi/acpi_bus.h> #endif #include <asm/8253pit.h> +#include <asm/i8253.h> #include <asm/pgtable.h> #include <asm/vsyscall.h> #include <asm/timex.h> @@ -51,6 +52,7 @@ static char *timename = NULL; DEFINE_SPINLOCK(rtc_lock); EXPORT_SYMBOL(rtc_lock); DEFINE_SPINLOCK(i8253_lock); +EXPORT_SYMBOL(i8253_lock); volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES; |