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[1/2] mark hyper-v hypercall page as dirty

Message ID 1390461173-3920-2-git-send-email-vrozenfe@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vadim Rozenfeld Jan. 23, 2014, 7:12 a.m. UTC 
Signed-off-by: Vadim Rozenfeld <vrozenfe@redhat.com>
---
 arch/x86/kvm/x86.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 59b95b1..e8599ed 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: {