On Mon, Apr 26, 2010 at 01:46:28PM -0400, Glauber Costa wrote: > If the HV told us we can fully trust the TSC, skip any > correction > > Signed-off-by: Glauber Costa <glommer@xxxxxxxxxx> > --- > arch/x86/include/asm/kvm_para.h | 5 +++++ > arch/x86/include/asm/pvclock-abi.h | 1 + > arch/x86/kernel/kvmclock.c | 3 +++ > arch/x86/kernel/pvclock.c | 4 ++++ > 4 files changed, 13 insertions(+), 0 deletions(-) > > diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h > index f019f8c..615ebb1 100644 > --- a/arch/x86/include/asm/kvm_para.h > +++ b/arch/x86/include/asm/kvm_para.h > @@ -21,6 +21,11 @@ > */ > #define KVM_FEATURE_CLOCKSOURCE2 3 > > +/* The last 8 bits are used to indicate how to interpret the flags field > + * in pvclock structure. If no bits are set, all flags are ignored. > + */ > +#define KVM_FEATURE_CLOCKSOURCE_STABLE_TSC 0xf8 > + > #define MSR_KVM_WALL_CLOCK 0x11 > #define MSR_KVM_SYSTEM_TIME 0x12 Please drop this. Its not certain what is the best method to reduce contention on the global variable. Whatever it is, can be done later. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
