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(parent: 2576c99) | patch
x86: add a synthetic TSC_RELIABLE feature bit
authorAlok Kataria <akataria@vmware.com>
Fri, 31 Oct 2008 18:59:53 +0000 (11:59 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Fri, 31 Oct 2008 21:44:19 +0000 (14:44 -0700)
commitb2bcc7b299f37037b4a78dc1538e5d6508ae8110
tree83611aba6d2b93e37d6f93a4517a1ea674b9cf0etree | snapshot (tar.gz zip)
parent2576c9991758e431b73e374f6019d6e1e12a8d36commit | diff
x86: add a synthetic TSC_RELIABLE feature bit

Impact: None, bit reservation only

Add a synthetic TSC_RELIABLE feature bit which will be used to mark
TSC as reliable so that we could skip all the runtime checks for
TSC stablity, which have false positives in virtual environment.

Signed-off-by: Alok N Kataria <akataria@vmware.com>
Signed-off-by: Dan Hecht <dhecht@vmware.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/include/asm/cpufeature.h diff | blob | blame | history