diff options
| author | Andi Kleen <ak@suse.de> | 2006-01-11 22:45:15 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:04:57 -0800 |
| commit | 737c5c3bde5641af9c24e3a60366674af72a43ef (patch) | |
| tree | e369c6489279c9fda4a5fb1766fe1966ce9caf87 /include/asm-x86_64 | |
| parent | 3c0217511313a46039137d2dab30fdb1c5a65e64 (diff) | |
| download | linux-737c5c3bde5641af9c24e3a60366674af72a43ef.tar.bz2 | |
[PATCH] x86_64: Don't try to synchronize the TSC over CPUs on Intel CPUs at boot.
They already do this in hardware and the Linux algorithm
actually adds errors.
Cc: mingo@elte.hu
Cc: rohit.seth@intel.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/proto.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h index 56dc70b7a6e4..115e496c6139 100644 --- a/include/asm-x86_64/proto.h +++ b/include/asm-x86_64/proto.h @@ -89,6 +89,8 @@ extern void check_efer(void); extern int unhandled_signal(struct task_struct *tsk, int sig); +extern int unsynchronized_tsc(void); + extern void select_idle_routine(const struct cpuinfo_x86 *c); extern void gart_parse_options(char *); |