[PATCH] expose kvmclock upper msr set.

Glauber Costa
2011-02-23T17:46:33Z

We've been supporting kvmclock MSRs in the 0x4b564d00-0x4b564dff range
for a while now, but we're not exposing it yet, meaning nobody is using it.
This simple patch takes care of that.

Signed-off-by: Glauber Costa <glommer@redhat.com>
---
arch/x86/kvm/x86.c | 1 +
include/linux/kvm.h | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8575d85..c0808db 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1966,6 +1966,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_SET_TSS_ADDR:
case KVM_CAP_EXT_CPUID:
case KVM_CAP_CLOCKSOURCE:
+ case KVM_CAP_CLOCKSOURCE2:
case KVM_CAP_PIT:
case KVM_CAP_NOP_IO_DELAY:
case KVM_CAP_MP_STATE:
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index ea2dc1a..a15d2e8 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -541,6 +541,7 @@ struct kvm_ppc_pvinfo {
#define KVM_CAP_PPC_GET_PVINFO 57
#define KVM_CAP_PPC_IRQ_LEVEL 58
#define KVM_CAP_ASYNC_PF 59
+#define KVM_CAP_CLOCKSOURCE2 60 /* hypervisor supports MSRs at upper range */

#ifdef KVM_CAP_IRQ_ROUTING

--
1.7.3.4