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authorVadim Rozenfeld <vrozenfe@redhat.com>2014-01-23 11:12:52 +0400
committerPaolo Bonzini <pbonzini@redhat.com>2014-01-23 22:00:04 +0400
commitb94b64c9a79a322802f13f44e9690a7b6a22710e (patch)
tree50c7546a192d38e1e59bdae9b7cb8d6ecbff9733 /arch/x86
parentc760f5e29d92adf5184589f1e616a4be146fb57c (diff)
downloadlinux-b94b64c9a79a322802f13f44e9690a7b6a22710e.tar.xz
KVM: x86: mark hyper-v hypercall page as dirty
Signed-off-by: Vadim Rozenfeld <vrozenfe@redhat.com> Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/x86.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0c76f7cfdb32..0fa9c84e36cb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1840,6 +1840,7 @@ static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data)
if (__copy_to_user((void __user *)addr, instructions, 4))
return 1;
kvm->arch.hv_hypercall = data;
+ mark_page_dirty(kvm, gfn);
break;
}
case HV_X64_MSR_REFERENCE_TSC: {