Messages in this thread Patch in this message | | | From | Tom Lendacky <> | Subject | [PATCH v2 2/2] KVM: VMX: Do not perform emulation for INVD intercept | Date | Thu, 24 Sep 2020 13:41:58 -0500 |
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From: Tom Lendacky <thomas.lendacky@amd.com>
The INVD instruction is emulated as a NOP, just skip the instruction instead.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> --- arch/x86/kvm/vmx/vmx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 8646a797b7a8..f8075d3acf9c 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -5148,7 +5148,8 @@ static int handle_vmcall(struct kvm_vcpu *vcpu) static int handle_invd(struct kvm_vcpu *vcpu) { - return kvm_emulate_instruction(vcpu, 0); + /* Treat an INVD instruction as a NOP and just skip it. */ + return kvm_skip_emulated_instruction(vcpu); } static int handle_invlpg(struct kvm_vcpu *vcpu) -- 2.28.0
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