From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753233AbdF2OL6 (ORCPT ); Thu, 29 Jun 2017 10:11:58 -0400 Received: from foss.arm.com ([217.140.101.70]:56156 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752807AbdF2OLw (ORCPT ); Thu, 29 Jun 2017 10:11:52 -0400 Date: Thu, 29 Jun 2017 15:10:59 +0100 From: Mark Rutland To: Sebastian Andrzej Siewior Cc: Catalin Marinas , linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com, marc.zyngier@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@linutronix.de, Christoffer Dall Subject: Re: [PATCHv5] arm64/cpufeature: don't use mutex in bringup path Message-ID: <20170629141058.GG11040@leverpostej> References: <1494944285-12152-1-git-send-email-mark.rutland@arm.com> <20170517160530.GB18716@e104818-lin.cambridge.arm.com> <20170627120555.dwcrd52dfstookmh@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170627120555.dwcrd52dfstookmh@linutronix.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Tue, Jun 27, 2017 at 02:05:55PM +0200, Sebastian Andrzej Siewior wrote: > On 2017-05-17 17:05:31 [+0100], Catalin Marinas wrote: > > > Catalin, can you take this as a fix for v4.12? > > > > I queued it for 4.12-rc2. Thanks. > > I backported a few patches into v4.11-RT and the backtrace popped up > (which is fixed by this patch). The problem existed before it has been > made visible. Do you intend to push this patch stable? I wasn't planning to. This was fairly invasive (so there'd be a number of conflicts to fix up), and we weren't seeing issues in practice for !RT kernels. If this is causing ap roblem in practice for !RT, I'd be happy to. Thanks, Mark. From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark.rutland@arm.com (Mark Rutland) Date: Thu, 29 Jun 2017 15:10:59 +0100 Subject: [PATCHv5] arm64/cpufeature: don't use mutex in bringup path In-Reply-To: <20170627120555.dwcrd52dfstookmh@linutronix.de> References: <1494944285-12152-1-git-send-email-mark.rutland@arm.com> <20170517160530.GB18716@e104818-lin.cambridge.arm.com> <20170627120555.dwcrd52dfstookmh@linutronix.de> Message-ID: <20170629141058.GG11040@leverpostej> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Tue, Jun 27, 2017 at 02:05:55PM +0200, Sebastian Andrzej Siewior wrote: > On 2017-05-17 17:05:31 [+0100], Catalin Marinas wrote: > > > Catalin, can you take this as a fix for v4.12? > > > > I queued it for 4.12-rc2. Thanks. > > I backported a few patches into v4.11-RT and the backtrace popped up > (which is fixed by this patch). The problem existed before it has been > made visible. Do you intend to push this patch stable? I wasn't planning to. This was fairly invasive (so there'd be a number of conflicts to fix up), and we weren't seeing issues in practice for !RT kernels. If this is causing ap roblem in practice for !RT, I'd be happy to. Thanks, Mark.