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| author | Glauber Costa <glommer@redhat.com> | 2010-05-11 12:17:42 -0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-05-19 11:41:02 +0300 |
| commit | 0e6ac58acbcddbc9d1687214f0d43d8657cc036c (patch) | |
| tree | d50f577ac9021e7ccc01c13ff0e7d1c93a9a66b5 /arch/x86 | |
| parent | 11c6bffa42b85e703c21a1d2372dce7262daca8e (diff) | |
| download | linux-stable-0e6ac58acbcddbc9d1687214f0d43d8657cc036c.tar.gz linux-stable-0e6ac58acbcddbc9d1687214f0d43d8657cc036c.tar.bz2 linux-stable-0e6ac58acbcddbc9d1687214f0d43d8657cc036c.zip | |
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>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/kvm_para.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h index 97348082782a..f019f8cb182e 100644 --- a/arch/x86/include/asm/kvm_para.h +++ b/arch/x86/include/asm/kvm_para.h @@ -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 |