Commit b7c1c226 authored Jan 04, 2019 by Lan Tianyu Committed by Radim Krčmář Jan 11, 2019

KVM/VMX: Avoid return error when flush tlb successfully in the hv_remote_flush_tlb_with_range()



The "ret" is initialized to be ENOTSUPP. The return value of
__hv_remote_flush_tlb_with_range() will be Or with "ret" when ept
table potiners are mismatched. This will cause return ENOTSUPP even if
flush tlb successfully. This patch is to fix the issue and set
"ret" to 0.

Fixes: a5c214da ("KVM/VMX: Change hv flush logic when ept tables are mismatched.")
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

parent 3f14a89d

arch/x86/kvm/vmx/vmx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -453,7 +453,7 @@ static int hv_remote_flush_tlb_with_range(struct kvm *kvm,
		struct kvm_tlb_range *range)
		{
		struct kvm_vcpu *vcpu;
		int ret = -ENOTSUPP, i;
		int ret = 0, i;

		spin_lock(&to_kvm_vmx(kvm)->ept_pointer_lock);

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