From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757074AbbCESix (ORCPT ); Thu, 5 Mar 2015 13:38:53 -0500 Received: from www.meduna.org ([92.240.244.38]:48891 "EHLO meduna.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750911AbbCESiv (ORCPT ); Thu, 5 Mar 2015 13:38:51 -0500 X-Greylist: delayed 2630 seconds by postgrey-1.27 at vger.kernel.org; Thu, 05 Mar 2015 13:38:51 EST Message-ID: <54F8986C.8020707@meduna.org> Date: Thu, 05 Mar 2015 18:54:52 +0100 From: Stanislav Meduna User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Sebastian Andrzej Siewior CC: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Highres timers broken on i.mx28 for CONFIG_HZ_PERIODIC References: <54615E89.7020902@meduna.org> <20150217140106.GO26177@linutronix.de> In-Reply-To: <20150217140106.GO26177@linutronix.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Authenticated-User: stano@meduna.org X-Authenticator: dovecot_plain X-Spam-Score: -6.9 X-Spam-Score-Int: -68 X-Exim-Version: 4.72 (build at 13-Jul-2014 12:42:58) X-Date: 2015-03-05 18:54:59 X-Connected-IP: 95.105.166.133:59523 X-Message-Linecount: 33 X-Body-Linecount: 20 X-Message-Size: 1114 X-Body-Size: 490 X-Received-Count: 1 X-Recipient-Count: 3 X-Local-Recipient-Count: 3 X-Local-Recipient-Defer-Count: 0 X-Local-Recipient-Fail-Count: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17.02.2015 15:01, Sebastian Andrzej Siewior wrote: Hi, >> something between 3.12.19(-rt30) and 3.12.31(-rt45) broke >> hrtimers on (at least) i.MX28 for CONFIG_HZ_PERIODIC. >> Switching to CONFIG_NO_HZ_IDLE restores them. >> >> Is this the expected behaviour or a regression? > No, I don't think so. Did it get fixed in the meantime? Looks OK again in 3.12.37(-rt51). Sorry for the late answer, I was quite busy last weeks. Thanks -- Stano