From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [122.248.162.5]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 92A2C2C00A0 for ; Sat, 22 Mar 2014 13:28:05 +1100 (EST) Received: from /spool/local by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sat, 22 Mar 2014 07:57:59 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id CC220394003E for ; Sat, 22 Mar 2014 07:57:56 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s2M2RlkK48890022 for ; Sat, 22 Mar 2014 07:57:47 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s2M2RttW018431 for ; Sat, 22 Mar 2014 07:57:56 +0530 Date: Sat, 22 Mar 2014 07:57:54 +0530 From: Srikar Dronamraju To: Linus Torvalds Subject: Re: Tasks stuck in futex code (in 3.14-rc6) Message-ID: <20140322022754.GA21677@linux.vnet.ibm.com> References: <20140320053350.GB30295@linux.vnet.ibm.com> <1395295019.2612.11.camel@buesod1.americas.hpqcorp.net> <1395335909.14694.15.camel@buesod1.americas.hpqcorp.net> <1395342510.14694.43.camel@buesod1.americas.hpqcorp.net> <1395346808.14694.62.camel@buesod1.americas.hpqcorp.net> <20140321045501.GD30295@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 In-Reply-To: Cc: Peter Zijlstra , LKML , Davidlohr Bueso , Paul Mackerras , Thomas Gleixner , Paul McKenney , ppc-dev , Ingo Molnar Reply-To: Srikar Dronamraju List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > > So reverting and applying v3 3/4 and 4/4 patches works for me. > > Ok, I verified that the above endds up resulting in the same tree as > the minimal patch I sent out, modulo (a) some comments and (b) an > #ifdef CONFIG_SMP in futex_get_mm() that doesn't really matter. > > So I committed the minimal patch with your tested-by. > Just to be sure, I have verified with latest mainline with HEAD having commit 08edb33c4 (Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux) which also has the commit 11d4616bd0 futex:( revert back to the explicit waiter counting code). -- Thanks and Regards Srikar Dronamraju From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752233AbaCVC2K (ORCPT ); Fri, 21 Mar 2014 22:28:10 -0400 Received: from e28smtp02.in.ibm.com ([122.248.162.2]:48483 "EHLO e28smtp02.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbaCVC2D (ORCPT ); Fri, 21 Mar 2014 22:28:03 -0400 Date: Sat, 22 Mar 2014 07:57:54 +0530 From: Srikar Dronamraju To: Linus Torvalds Cc: Davidlohr Bueso , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , LKML , ppc-dev , Benjamin Herrenschmidt , Paul Mackerras , Paul McKenney Subject: Re: Tasks stuck in futex code (in 3.14-rc6) Message-ID: <20140322022754.GA21677@linux.vnet.ibm.com> Reply-To: Srikar Dronamraju References: <20140320053350.GB30295@linux.vnet.ibm.com> <1395295019.2612.11.camel@buesod1.americas.hpqcorp.net> <1395335909.14694.15.camel@buesod1.americas.hpqcorp.net> <1395342510.14694.43.camel@buesod1.americas.hpqcorp.net> <1395346808.14694.62.camel@buesod1.americas.hpqcorp.net> <20140321045501.GD30295@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14032202-5816-0000-0000-00000CFBA179 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > So reverting and applying v3 3/4 and 4/4 patches works for me. > > Ok, I verified that the above endds up resulting in the same tree as > the minimal patch I sent out, modulo (a) some comments and (b) an > #ifdef CONFIG_SMP in futex_get_mm() that doesn't really matter. > > So I committed the minimal patch with your tested-by. > Just to be sure, I have verified with latest mainline with HEAD having commit 08edb33c4 (Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux) which also has the commit 11d4616bd0 futex:( revert back to the explicit waiter counting code). -- Thanks and Regards Srikar Dronamraju