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[PATCH] x86-64: x86-64 add Intel BTS cpufeature bit and detection (take 2)
authorStephane Eranian <eranian@hpl.hp.com>
Thu, 7 Dec 2006 01:14:11 +0000 (02:14 +0100)
committerAndi Kleen <andi@basil.nowhere.org>
Thu, 7 Dec 2006 01:14:11 +0000 (02:14 +0100)
commitee58fad51a2a767cb2567706ace967705233d881
treeb87f182688a0ffb3b60f78637f391e69c59d1e59tree | snapshot
parent7e95b593a1aeb6fe1d3904e799d23a45261f2c19commit | diff
[PATCH] x86-64: x86-64 add Intel BTS cpufeature bit and detection (take 2)

Here is a small patch for x86-64 which adds a cpufeature flag and
detection code for Intel's Branch Trace Store (BTS) feature. This
feature can be found on Intel P4 and Core 2 processors among others.
It can also be used by perfmon.

changelog:
- add CPU_FEATURE_BTS
- add Branch Trace Store detection

signed-off-by: stephane eranian <eranian@hpl.hp.com>

Signed-off-by: Andi Kleen <ak@suse.de>
arch/x86_64/kernel/setup.c diff | blob | history
include/asm-x86_64/cpufeature.h diff | blob | history
Domain: System / Uncategorized;