From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH] vhost: Avoid that vhost_work_flush() locks up Date: Fri, 05 Jul 2013 14:49:20 +0200 Message-ID: <51D6C0D0.7060303@acm.org> References: <51D6859E.2040500@acm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "Michael S. Tsirkin" , kvm-devel , Asias He , Nadav Har'El , Abel Gordon To: unlisted-recipients:; (no To-header on input) Return-path: Received: from gerard.telenet-ops.be ([195.130.132.48]:53422 "EHLO gerard.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751561Ab3GEMtX (ORCPT ); Fri, 5 Jul 2013 08:49:23 -0400 In-Reply-To: <51D6859E.2040500@acm.org> Sender: kvm-owner@vger.kernel.org List-ID: On 07/05/13 10:36, Bart Van Assche wrote: > Wake up work->done waiters even if the TIF_NEED_RESCHED task flag > has been set. This patch fixes a regression introduced in commit > d550dda (kernel v3.4). > > Reference: https://bugzilla.kernel.org/show_bug.cgi?id=60505 (replying to my own e-mail) Please ignore this patch. Although it might help to wake up vhost_work_flush() earlier, the patch description does not match the patch itself and the patch does not fix the vhost_work_flush() lockup. Bart.