Fixes pvclock backwards jumps caused by TSC drifting despite host believing that TSC is invariant/synchronized.
TSC drift maybe caused by erratum 778 described in "Revision Guide for AMD Family 15h Models 10h-1Fh Processors, Publication # 48931, Issue Date: May 2013, Revision: 3.10" Igor Mammedov (2): x86: AMD: mark TSC unstable on APU family 15h models 10h-1fh x86: kvm: do not advertise stable clocksource if CPU has TSC drift BUG arch/x86/include/asm/cpufeature.h | 1 + arch/x86/kernel/cpu/amd.c | 9 +++++++++ arch/x86/kvm/cpuid.c | 3 ++- 3 files changed, 12 insertions(+), 1 deletion(-) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
