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authorLan Tianyu <Tianyu.Lan@microsoft.com>2019-01-04 15:20:44 +0800
committerRadim Krčmář <rkrcmar@redhat.com>2019-01-11 18:38:07 +0100
commitb7c1c226f9403c52bf58b0bceef24501429c7351 (patch)
tree74031c2b9bde92b36b3ed6922c0226ece43837b8
parent3f14a89d1132dcae3c8ce6721c6ef51f6e6d9b5f (diff)
downloadlinux-stericsson-b7c1c226f9403c52bf58b0bceef24501429c7351.tar.gz
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: a5c214dad198 ("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>
-rw-r--r--arch/x86/kvm/vmx/vmx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index e344dc8626d0..f6915f10e584 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -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);