From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754275Ab0EED5Y (ORCPT ); Tue, 4 May 2010 23:57:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40062 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750858Ab0EED5X (ORCPT ); Tue, 4 May 2010 23:57:23 -0400 Message-ID: <4BE0EC9E.3040508@redhat.com> Date: Tue, 04 May 2010 17:57:18 -1000 From: Zachary Amsden User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100413 Fedora/3.0.4-2.fc13 Thunderbird/3.0.4 MIME-Version: 1.0 To: Glauber Costa CC: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, avi@redhat.com Subject: Re: [PATCH v2 0/7] Pvclock fixes , version two References: <1272901927-829-1-git-send-email-glommer@redhat.com> In-Reply-To: <1272901927-829-1-git-send-email-glommer@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/03/2010 05:52 AM, Glauber Costa wrote: > Here is a new version of this series. > > I am definitely leaving any warp calculations out, as Jeremy wisely > points out that Chuck Norris should perish before we warp. > > Also, in this series, I am using KVM_GET_SUPPORTED_CPUID to export > our features to userspace, as avi suggets. (patch 4/7), and starting > to use the flag that indicates possible tsc stability (patch 7/7), although > it is still off by default. > > Glauber Costa (7): > Enable pvclock flags in vcpu_time_info structure > Add a global synchronization point for pvclock > change msr numbers for kvmclock > export paravirtual cpuid flags in KVM_GET_SUPPORTED_CPUID > Try using new kvm clock msrs > don't compute pvclock adjustments if we trust the tsc > Tell the guest we'll warn it about tsc stability > > arch/x86/include/asm/kvm_para.h | 13 ++++++++ > arch/x86/include/asm/pvclock-abi.h | 4 ++- > arch/x86/include/asm/pvclock.h | 1 + > arch/x86/kernel/kvmclock.c | 56 ++++++++++++++++++++++------------- > arch/x86/kernel/pvclock.c | 37 +++++++++++++++++++++++ > arch/x86/kvm/x86.c | 37 +++++++++++++++++++++++- > 6 files changed, 125 insertions(+), 23 deletions(-) > > Acked-by: Zachary Amsden I'll rebase on top of these if they get pulled. And obviously, there is no point in checking for warp if Chuck Norris has perished. I happen to have a special place in my heart for nunchaku masters despite the fact that this created a generation of teenagers who insisted they were called numb-chucks.