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authorAndi Kleen <ak@suse.de>2006-01-11 22:45:15 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 04:04:57 +0100
commit737c5c3bde5641af9c24e3a60366674af72a43ef (patch)
treee369c6489279c9fda4a5fb1766fe1966ce9caf87 /include/asm-x86_64/proto.h
parent[PATCH] x86_64: Fix compile error with !CONFIG_COMPAT (diff)
downloadlinux-737c5c3bde5641af9c24e3a60366674af72a43ef.tar.xz
linux-737c5c3bde5641af9c24e3a60366674af72a43ef.zip
[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 '')
-rw-r--r--include/asm-x86_64/proto.h2
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 *);