Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755870Ab1CGKVO (ORCPT ); Mon, 7 Mar 2011 05:21:14 -0500 Received: from gwu.lbox.cz ([62.245.111.132]:43553 "EHLO gwu.lbox.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754359Ab1CGKVM (ORCPT ); Mon, 7 Mar 2011 05:21:12 -0500 Date: Mon, 7 Mar 2011 11:18:27 +0100 From: Nikola Ciprich To: KVM list , Linux kernel list Cc: nikola.ciprich@linuxbox.cz, Avi Kivity , Zachary Amsden , Glauber Costa Subject: [PATCH] add missing guest clock update removed by e48672fa25e879f7ae21785c7efd187738139593 Message-ID: <20110307101827.GA1762@pcnci.linuxbox.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.19 (2009-01-05) X-Antivirus: on lbxovapx by Kaspersky antivirus, 4787146 records (last update: 20110307) X-Spam-Score: N/A (trusted relay) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1386 Lines: 43 e48672fa25e879f7ae21785c7efd187738139593 removed kvm_request_guest_time_update(vcpu); this breaks 32bit SMP guests using virtio-clock. thus add unconditional call to kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu) to fix the problem. Signed-off-by: Nikola Ciprich --- arch/x86/kvm/x86.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bcc0efc..4c27144 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2091,6 +2091,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) } kvm_x86_ops->vcpu_load(vcpu, cpu); + kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); if (unlikely(vcpu->cpu != cpu) || check_tsc_unstable()) { /* Make sure TSC doesn't go backwards */ s64 tsc_delta = !vcpu->arch.last_host_tsc ? 0 : -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@linuxbox.cz ------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/