From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030427AbWGNJWV (ORCPT ); Fri, 14 Jul 2006 05:22:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030432AbWGNJWV (ORCPT ); Fri, 14 Jul 2006 05:22:21 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:37251 "EHLO ogre.sisk.pl") by vger.kernel.org with ESMTP id S1030427AbWGNJWU (ORCPT ); Fri, 14 Jul 2006 05:22:20 -0400 From: "Rafael J. Wysocki" To: Andrew Morton Subject: Re: [PATCH] Rt-tester makes freezing processes fail. Date: Fri, 14 Jul 2006 10:17:27 +0200 User-Agent: KMail/1.9.3 Cc: nigel@suspend2.net, torvalds@osdl.org, linux-kernel@vger.kernel.org, tglx@timesys.com, linux-pm@lists.osdl.org, Pavel Machek References: <200607140918.49040.nigel@suspend2.net> <20060713163743.e71975b0.akpm@osdl.org> In-Reply-To: <20060713163743.e71975b0.akpm@osdl.org> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200607141017.27832.rjw@sisk.pl> Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 14 July 2006 01:37, Andrew Morton wrote: > On Fri, 14 Jul 2006 09:18:43 +1000 > Nigel Cunningham wrote: > > > Compiling in the rt-tester currently makes freezing processes fail. > > I don't think there's anything wrong with it running during > > suspending, so adding PF_NOFREEZE to the flags set seems to be the > > right solution. > > > > Signed-off-by: Nigel Cunningham > > > > rtmutex-tester.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff -ruNp 9971-rt-tester.patch-old/kernel/rtmutex-tester.c 9971-rt-tester.patch-new/kernel/rtmutex-tester.c > > --- 9971-rt-tester.patch-old/kernel/rtmutex-tester.c 2006-07-07 10:27:46.000000000 +1000 > > +++ 9971-rt-tester.patch-new/kernel/rtmutex-tester.c 2006-07-14 07:48:01.000000000 +1000 > > @@ -259,7 +259,7 @@ static int test_func(void *data) > > struct test_thread_data *td = data; > > int ret; > > > > - current->flags |= PF_MUTEX_TESTER; > > + current->flags |= PF_MUTEX_TESTER | PF_NOFREEZE; > > allow_signal(SIGHUP); > > > > for(;;) { > > > I yesterday queued up the below patch. Which approach is most appropriate? I prefer the one that makes these threads freeze (ie. the Luca's patch). Greetings, Rafael