[PATCH 4/9] add new KVMCLOCK cpuid feature

[Glauber Costa]

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@xxxxxxxxxx>
---
 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 9734808..f019f8c 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
-- 
1.6.2.2

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