From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760370Ab0JISdI (ORCPT ); Sat, 9 Oct 2010 14:33:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:9868 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756742Ab0JISdG (ORCPT ); Sat, 9 Oct 2010 14:33:06 -0400 Message-ID: <4CB0B52E.90806@redhat.com> Date: Sat, 09 Oct 2010 20:32:14 +0200 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc13 Thunderbird/3.1.4 MIME-Version: 1.0 To: Gleb Natapov CC: kvm@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, mingo@elte.hu, a.p.zijlstra@chello.nl, tglx@linutronix.de, hpa@zytor.com, riel@redhat.com, cl@linux-foundation.org, mtosatti@redhat.com Subject: Re: [PATCH v6 02/12] Halt vcpu if page it tries to access is swapped out. References: <1286207794-16120-1-git-send-email-gleb@redhat.com> <1286207794-16120-3-git-send-email-gleb@redhat.com> <4CAD97D0.70100@redhat.com> <20101007174716.GD2397@redhat.com> <4CB0B4BA.5010901@redhat.com> In-Reply-To: <4CB0B4BA.5010901@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 10/09/2010 08:30 PM, Avi Kivity wrote: >> So that "info cpu" will interfere with apf? Migration should work >> in regular way. apf state should not be migrated since it has no meaning >> on the destination. I'll make sure synthetic halt state will not >> interfere with migration. > > > If you deliver an apf, the guest expects a completion. > btw, the token generation scheme resets as well. Draining the queue fixes that as well. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.