From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932721AbbAILPM (ORCPT ); Fri, 9 Jan 2015 06:15:12 -0500 Received: from mail3.unitn.it ([193.205.206.24]:50711 "EHLO mail3.unitn.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932492AbbAILPK (ORCPT ); Fri, 9 Jan 2015 06:15:10 -0500 Message-ID: <54AFB839.8090904@unitn.it> Date: Fri, 09 Jan 2015 12:15:05 +0100 From: Luca Abeni User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: tkhai@yandex.ru CC: Peter Zijlstra , Ingo Molnar , Juri Lelli , "linux-kernel@vger.kernel.org" Subject: Re: Another SCHED_DEADLINE bug (with bisection and possible fix) References: <20141230002738.6c12db31@utopia> <2629881420411885@web9m.yandex.ru> <54AAABFB.3060109@unitn.it> <1420499241.3361.14.camel@yandex.ru> <20150107080155.1d42d123@luca-1225C> <1420633741.12772.10.camel@yandex.ru> <54AD2A56.70307@unitn.it> <1420635879.14676.12.camel@yandex.ru> In-Reply-To: <1420635879.14676.12.camel@yandex.ru> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Kirill, On 01/07/2015 02:04 PM, Kirill Tkhai wrote: [...] >>> If in the future we allow non-privileged users to increase deadline, >>> we will reflect that in __setparam_dl() too. >> Ok. > > Does my patch help you? It helps me, but anyway I need your confirmation. Sorry about the delay... Anyway, I finally had time to test your patch, and as expected it fixes the hang I was seeing. Thanks, Luca