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KVM: VMX: Do not perform emulation for INVD intercept

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The INVD instruction is emulated as a NOP, just skip the instruction
instead.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Message-Id: <addd41be2fbf50f5f4059e990a2a0cff182d2136.1600972918.git.thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Tom Lendacky 2020-09-24 13:41:58 -05:00 • committed by Paolo Bonzini
parent 14e3dd8d25
commit 28e2b2f1a4
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kvm/vmx/vmx.c
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@ -5127,7 +5127,8 @@ 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)