From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: [PATCH] KVM: handle exit due to INVD in VMX Date: Sun, 31 Oct 2010 16:36:35 +0200 Message-ID: <20101031143635.GW26191@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: mtosatti@redhat.com, avi@redhat.com Return-path: Received: from mx1.redhat.com ([209.132.183.28]:25220 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755710Ab0JaOgk (ORCPT ); Sun, 31 Oct 2010 10:36:40 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o9VEacFt005361 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sun, 31 Oct 2010 10:36:38 -0400 Content-Disposition: inline Sender: kvm-owner@vger.kernel.org List-ID: Call into emulator when INVD instruction is executed by a guest. Signed-off-by: Gleb Natapov diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index 9f0cbd9..42d9590 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -239,6 +239,7 @@ enum vmcs_field { #define EXIT_REASON_TASK_SWITCH 9 #define EXIT_REASON_CPUID 10 #define EXIT_REASON_HLT 12 +#define EXIT_REASON_INVD 13 #define EXIT_REASON_INVLPG 14 #define EXIT_REASON_RDPMC 15 #define EXIT_REASON_RDTSC 16 diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 993e332..200533e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3350,6 +3350,11 @@ static int handle_vmx_insn(struct kvm_vcpu *vcpu) return 1; } +static int handle_invd(struct kvm_vcpu *vcpu) +{ + return emulate_instruction(vcpu, 0, 0, 0) == EMULATE_DONE; +} + static int handle_invlpg(struct kvm_vcpu *vcpu) { unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION); @@ -3650,6 +3655,7 @@ static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = { [EXIT_REASON_MSR_WRITE] = handle_wrmsr, [EXIT_REASON_PENDING_INTERRUPT] = handle_interrupt_window, [EXIT_REASON_HLT] = handle_halt, + [EXIT_REASON_INVD] = handle_invd, [EXIT_REASON_INVLPG] = handle_invlpg, [EXIT_REASON_VMCALL] = handle_vmcall, [EXIT_REASON_VMCLEAR] = handle_vmx_insn, -- Gleb.