Commit 0e6ac58a authored May 11, 2010 by Glauber Costa Committed by Avi Kivity May 19, 2010

KVM: x86: add new KVMCLOCK cpuid feature



This cpuid, KVM_CPUID_CLOCKSOURCE2, will indicate to the guest
that kvmclock is available through a new set of MSRs. The old ones
are deprecated.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

parent 11c6bffa

arch/x86/include/asm/kvm_para.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,10 @@
		#define KVM_FEATURE_CLOCKSOURCE 0
		#define KVM_FEATURE_NOP_IO_DELAY 1
		#define KVM_FEATURE_MMU_OP 2
		/* This indicates that the new set of kvmclock msrs
		* are available. The use of 0x11 and 0x12 is deprecated
		*/
		#define KVM_FEATURE_CLOCKSOURCE2 3

		#define MSR_KVM_WALL_CLOCK 0x11
		#define MSR_KVM_SYSTEM_TIME 0x12