From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: KVM: VMX: Add AX to list of registers clobbered by guest switch Date: Tue, 28 Sep 2010 16:37:42 +0200 Message-ID: <4CA1FDB6.3060100@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: kvm To: Avi Kivity , Marcelo Tosatti Return-path: Received: from david.siemens.de ([192.35.17.14]:15226 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755915Ab0I1OiI (ORCPT ); Tue, 28 Sep 2010 10:38:08 -0400 Sender: kvm-owner@vger.kernel.org List-ID: By chance this caused no harm so far. We overwrite AX during switch to/from guest context, so we must declare this. Signed-off-by: Jan Kiszka --- arch/x86/kvm/vmx.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 1a5ecfd..e315930 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4013,7 +4013,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu) #endif [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)) : "cc", "memory" - , R"bx", R"di", R"si" + , R"ax", R"bx", R"di", R"si" #ifdef CONFIG_X86_64 , "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" #endif -- 1.7.1