From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752677Ab1LSNCE (ORCPT ); Mon, 19 Dec 2011 08:02:04 -0500 Received: from mx1.redhat.com ([209.132.183.28]:64095 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752424Ab1LSNCC (ORCPT ); Mon, 19 Dec 2011 08:02:02 -0500 Message-ID: <4EEF35B5.2090005@redhat.com> Date: Mon, 19 Dec 2011 15:01:41 +0200 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 MIME-Version: 1.0 To: Eric B Munson CC: mingo@redhat.com, hpa@zytor.com, arnd@arndb.de, ryanh@linux.vnet.ibm.com, aliguori@us.ibm.com, mtosatti@redhat.com, jeremy.fitzhardinge@citrix.com, levinsasha928@gmail.com, Jan Kiszka , kvm@vger.kernel.org, linux-arch@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5 V5] Avoid soft lockup message when KVM is stopped by host References: <1323116344-17911-1-git-send-email-emunson@mgebm.net> <4EDF7B0D.4060001@redhat.com> <20111208151929.GA6301@mgebm.net> <4EE8BBF4.8070108@redhat.com> <20111214175844.GD4075@mgebm.net> <4EE9C274.3030603@redhat.com> <20111215185346.GA2829@mgebm.net> In-Reply-To: <20111215185346.GA2829@mgebm.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/15/2011 08:53 PM, Eric B Munson wrote: > I am working on V7 to incorporate the __this_cpu_and suggestion, would you > consider that for inclusion and we can continue discussing the need for the > preemption notification work? Okay. > I think that having a guest complain when the > host is so loaded that the guest watchdog threads can't make any progress is > desirable behavior, it may be the only notification that an admin gets that a > particular host is over loaded. It's the wrong admin, consider a cloud scenario where the host admin and guest admin are different people. Notification on host overload (to initiate migration, say) is a good idea, but it would be a different mechanism. -- error compiling committee.c: too many arguments to function