From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [Patch] avoid deadlock during console output Date: Fri, 06 Mar 2009 09:11:57 +0000 Message-ID: References: <49B0E2F0.5060104@fujitsu-siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <49B0E2F0.5060104@fujitsu-siemens.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Juergen Gross , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 06/03/2009 08:46, "Juergen Gross" wrote: > to dump the schedulers run-queues. On my 4-core machine I need only about 5 > calls to stop the machine. > > The attached patch solves the problem by avoiding sending the event in > critical paths. Ugly. Instead we can defer the dom0 notification to a tasklet. I'll make a patch for that myself. Thanks, Keir