From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [ARM] Bash often segfaults in Dom0 with the latest Xen Date: Wed, 05 Jun 2013 11:39:58 +0100 Message-ID: <51AF157E.5090307@linaro.org> References: <51AE6DFD.3060308@linaro.org> <1370425111.24512.165.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1370425111.24512.165.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: Andre Przywara , christoffer.dall@linaro.org, Stefano Stabellini , xen-devel List-Id: xen-devel@lists.xenproject.org On 06/05/2013 10:38 AM, Ian Campbell wrote: > On Tue, 2013-06-04 at 23:45 +0100, Julien Grall wrote: >> The patch below removes WFI trap and by consequence avoid a VCPU to move to >> another physical CPU. > > FWIW the dom0_vcpus_pin command line parameter should have achieved the > same thing without removing the WFI code paths. I very much doubt that > code path is to blame but it might be worth ruling it out. Thanks for this option. -- Julien