From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <1412889358.14046.113.camel@fourier> Subject: Re: [PATCH 3.13 026/163] block: Fix dev_t minor allocation lifetime From: Kamal Mostafa To: Jens Axboe Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com, Keith Busch Date: Thu, 09 Oct 2014 14:15:58 -0700 In-Reply-To: <5436F974.6000605@fb.com> References: <1412888588-26755-1-git-send-email-kamal@canonical.com> <1412888588-26755-27-git-send-email-kamal@canonical.com> <5436F974.6000605@fb.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: On Thu, 2014-10-09 at 15:09 -0600, Jens Axboe wrote: > On 10/09/2014 03:00 PM, Kamal Mostafa wrote: > > 3.13.11.9 -stable review patch. If anyone has any objections, please let me know. > > You need this one as well, like I told Greg the other day: Okay, this one is now queued for 3.13.11.9 also. Thanks Jens! -Kamal > commit 46f341ffcfb5d8530f7d1e60f3be06cce6661b62 > Author: Jens Axboe > Date: Tue Sep 16 13:38:51 2014 -0600 > > genhd: fix leftover might_sleep() in blk_free_devt() > > Commit 2da78092 changed the locking from a mutex to a spinlock, > so we now longer sleep in this context. But there was a leftover > might_sleep() in there, which now triggers since we do the final > free from an RCU callback. Get rid of it. > > Reported-by: Pontus Fuchs > Signed-off-by: Jens Axboe >