On Tue, Apr 27, 2010 at 10:40:13AM -0300, Marcelo Tosatti wrote: > 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. You tell me to drop it, avi tells me to write this, I am happy to pick any one of the two options. Just don't want to get ping-ponged between haveit-dropit. -- 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
