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(parent: dc37db4) | patch
[PATCH] x86_64: Support constantly ticking TSCs
authorAndi Kleen <ak@suse.de>
Sat, 16 Apr 2005 22:25:05 +0000 (15:25 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Sat, 16 Apr 2005 22:25:05 +0000 (15:25 -0700)
commitc29601e9c1e7893d1755364e350c9188bd56d69f
tree14813ddce4d8897b40cc8b3a2f76ace3ac58b36ftree | snapshot (tar.gz zip)
parentdc37db4d8cb376bb67c6357c50d707ced3d71c39commit | diff
[PATCH] x86_64: Support constantly ticking TSCs

On Intel Noconas the TSC ticks with a constant frequency.  Don't scale the
factor used by udelay when cpufreq changes the frequency.

This generalizes an earlier patch by Intel for this.

Cc: <venkatesh.pallipadi@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/setup.c diff | blob | blame | history
arch/x86_64/kernel/time.c diff | blob | blame | history
include/asm-x86_64/cpufeature.h diff | blob | blame | history