tree c72bdb38231e163df346ba118af821e4875c95bb
parent 5e5ec10499a00bf4ce3440d5a9e1a5a176c5a640
author Andi Kleen <ak@suse.de> 1124427400 +0200
committer Linus Torvalds <torvalds@g5.osdl.org> 1124504327 -0700

[PATCH] x86_64: Fix race in TSC synchronization

Plug a race in TSC synchronization

We need to do tsc_sync_wait() before the CPU is set online to prevent
multiple CPUs from doing it in parallel - which won't work because TSC
sync has global unprotected state.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>