Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756319AbaKSToW (ORCPT ); Wed, 19 Nov 2014 14:44:22 -0500 Received: from e39.co.us.ibm.com ([32.97.110.160]:37126 "EHLO e39.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756235AbaKSToT (ORCPT ); Wed, 19 Nov 2014 14:44:19 -0500 Date: Wed, 19 Nov 2014 11:44:14 -0800 From: "Paul E. McKenney" To: Greg Kroah-Hartman Cc: Frederic Weisbecker , Chuck Ebbert , Henrique de Moraes Holschuh , linux-kernel@vger.kernel.org, stable@kernel.org Subject: Re: [PATCH 3.17 00/25] 3.17.1-stable review Message-ID: <20141119194414.GN5050@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20141013022454.289398272@linuxfoundation.org> <20141013112834.GA10826@khazad-dum.debian.net> <20141013082319.175d90bb@as> <20141119172235.GA31260@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141119172235.GA31260@kroah.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14111919-0033-0000-0000-000002BF44D0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 19, 2014 at 09:22:35AM -0800, Greg Kroah-Hartman wrote: > On Mon, Oct 13, 2014 at 08:23:19AM -0500, Chuck Ebbert wrote: > > On Mon, 13 Oct 2014 08:28:35 -0300 > > Henrique de Moraes Holschuh wrote: > > > > > On Mon, 13 Oct 2014, Greg Kroah-Hartman wrote: > > > > This is the start of the stable review cycle for the 3.17.1 > > > > release. There are 25 patches in this series, all will be posted > > > > as a response to this one. If anyone has any issues with these > > > > being applied, please let me know. > > > > > > Actually, 3.17 is a filesystem killer for some unlucky users due to > > > the libata blacklist being disabled by a bug. > > > > > > Patch: > > > https://git.kernel.org/cgit/linux/kernel/git/tj/libata.git/patch/?id=1c40279960bcd7d52dbdf1d466b20d24b99176c8 > > > 1c40279960bcd7d52dbdf1d466b20d24b99176c8 (libata: Un-break ATA > > > blacklist) > > > > > > > There are some more bugs too: > > > > > > RCU stalls, fix has been in rcu/urgent for 7 days: > > https://git.kernel.org/cgit/linux/kernel/git/paulmck/linux-rcu.git/commit/?h=rcu/urgent&id=789cbbeca4eb7141cbd748ee93772471101b507b > > Doesn't build in 3.17 properly :( > > > blk-mq bio merging (still no good fix available): > > https://lkml.org/lkml/2014/10/9/729 > > (The fix sitting in the block tree: > > https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git/commit/?h=for-3.18/core&id=764f612c6c3c231b9c12cfae7c328ccc9c453258 > > is wrong according to that message.) > > Did this ever get resolved? > > > Stalls when using nohz, requires series of six patches to fix that > > didn't make 3.17 and weren't marked for -stable: > > > > From a80e49e2cc3145af014a8ae44f575829cc236192 Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: nohz: Move nohz full init call to tick init > > > > From c5c38ef3d70377dc504a6a3f611a3ec814bc757b Mon Sep 17 00:00:00 2001 > > From: Peter Zijlstra > > Subject: irq_work: Introduce arch_irq_work_has_interrupt() > > > > From 76a33061b9323b7fdb220ae5fa116c10833ec22e Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: irq_work: Force raised irq work to run on irq work interrupt > > > > From 3010279f0fc36f0388872203e63ca49912f648fd Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: x86: Tell irq work about self IPI support > > > > From 09f6edd424218eb69078551b2ecfada1f2d098eb Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: arm: Tell irq work about self IPI support > > > > From 3631073659d0aafeaa52227bb61a100efaf901dc Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > To: 09f6edd424218eb69078551b2ecfada1f2d098eb > To: Chuck Ebbert > Cc: Henrique de Moraes Holschuh , > linux-kernel@vger.kernel.org, stable@kernel.org > Bcc: > Subject: Re: [PATCH 3.17 00/25] 3.17.1-stable review > Reply-To: > In-Reply-To: <20141013082319.175d90bb@as> > > On Mon, Oct 13, 2014 at 08:23:19AM -0500, Chuck Ebbert wrote: > > On Mon, 13 Oct 2014 08:28:35 -0300 > > Henrique de Moraes Holschuh wrote: > > > > > On Mon, 13 Oct 2014, Greg Kroah-Hartman wrote: > > > > This is the start of the stable review cycle for the 3.17.1 > > > > release. There are 25 patches in this series, all will be posted > > > > as a response to this one. If anyone has any issues with these > > > > being applied, please let me know. > > > > > > Actually, 3.17 is a filesystem killer for some unlucky users due to > > > the libata blacklist being disabled by a bug. > > > > > > Patch: > > > https://git.kernel.org/cgit/linux/kernel/git/tj/libata.git/patch/?id=1c40279960bcd7d52dbdf1d466b20d24b99176c8 > > > 1c40279960bcd7d52dbdf1d466b20d24b99176c8 (libata: Un-break ATA > > > blacklist) > > > > > > > There are some more bugs too: > > > > > > RCU stalls, fix has been in rcu/urgent for 7 days: > > https://git.kernel.org/cgit/linux/kernel/git/paulmck/linux-rcu.git/commit/?h=rcu/urgent&id=789cbbeca4eb7141cbd748ee93772471101b507b > > Doesn't build in 3.17 properly :( Older kernels can use rcu_note_context_switch() instead of rcu_note_voluntary_context_switch(), which didn't show up until quite recently. Please note that rcu_note_context_switch() is quite a bit more heavy-weight than is rcu_note_voluntary_context_switch(), but it should be OK in this context. Thanx, Paul > > blk-mq bio merging (still no good fix available): > > https://lkml.org/lkml/2014/10/9/729 > > (The fix sitting in the block tree: > > https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git/commit/?h=for-3.18/core&id=764f612c6c3c231b9c12cfae7c328ccc9c453258 > > is wrong according to that message.) > > Did this ever get resolved? > > > Stalls when using nohz, requires series of six patches to fix that > > didn't make 3.17 and weren't marked for -stable: > > > > From a80e49e2cc3145af014a8ae44f575829cc236192 Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: nohz: Move nohz full init call to tick init > > > > From c5c38ef3d70377dc504a6a3f611a3ec814bc757b Mon Sep 17 00:00:00 2001 > > From: Peter Zijlstra > > Subject: irq_work: Introduce arch_irq_work_has_interrupt() > > > > From 76a33061b9323b7fdb220ae5fa116c10833ec22e Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: irq_work: Force raised irq work to run on irq work interrupt > > > > From 3010279f0fc36f0388872203e63ca49912f648fd Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: x86: Tell irq work about self IPI support > > > > From 09f6edd424218eb69078551b2ecfada1f2d098eb Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: arm: Tell irq work about self IPI support > > > > From 3631073659d0aafeaa52227bb61a100efaf901dc Mon Sep 17 00:00:00 2001 > > From: Frederic Weisbecker > > Subject: arm64: Tell irq work about self IPI support > > These are pretty intrusive, maybe 3.18 is better for people to use :) > > If Frederic says it's ok for me to backport these, I will, but I want > his ack first. > > thanks, > > greg k-h > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/