From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754714Ab2E3UfQ (ORCPT ); Wed, 30 May 2012 16:35:16 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:37803 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753750Ab2E3UfN (ORCPT ); Wed, 30 May 2012 16:35:13 -0400 Subject: Re: [GIT PULL] Block driver bits for 3.5 From: Eric Dumazet To: Jens Axboe Cc: Linus Torvalds , "linux-kernel@vger.kernel.org" , Tejun Heo , Alan Cox In-Reply-To: <1338404902.2760.451.camel@edumazet-glaptop> References: <4FC6189B.9080909@fusionio.com> <1338402812.2760.413.camel@edumazet-glaptop> <4FC66D3D.6080509@fusionio.com> <1338404902.2760.451.camel@edumazet-glaptop> Content-Type: text/plain; charset="UTF-8" Date: Wed, 30 May 2012 22:35:07 +0200 Message-ID: <1338410107.2760.544.camel@edumazet-glaptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2012-05-30 at 21:08 +0200, Eric Dumazet wrote: > On Wed, 2012-05-30 at 20:55 +0200, Jens Axboe wrote: > > On 05/30/2012 08:33 PM, Eric Dumazet wrote: > > > On Wed, 2012-05-30 at 14:54 +0200, Jens Axboe wrote: > > >> Hi Linus, > > >> > > >> On top of the for-3.5/core pull request, here are the driver related > > >> changes for 3.5. It contains: > > > > > > Hi Jens > > > > > > Not sure if this is related, but latest Linus tree cannot boot anymore > > > here... > > > > > > BUG: soft lockup - CPU#3 stuck for 22s ! [mountall.1603] > > > > Hrmpf, can you attach your .config? > > > > I can do a bisection pretty fast I think Not sure if bisection was good, but result is : # git bisect log git bisect start # bad: [cce527e20116868dcd71cc98b8210a9697b93a97] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 git bisect bad cce527e20116868dcd71cc98b8210a9697b93a97 # good: [76e10d158efb6d4516018846f60c2ab5501900bc] Linux 3.4 git bisect good 76e10d158efb6d4516018846f60c2ab5501900bc # good: [9b170dbd82448826ca3b8b6ee47daf36c4f438f3] Documentation/kernel-parameters: remove autotest and mcatest git bisect good 9b170dbd82448826ca3b8b6ee47daf36c4f438f3 # good: [f2fde3a65e88330017b816faf2ef75f141d21375] Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux git bisect good f2fde3a65e88330017b816faf2ef75f141d21375 # bad: [4b781474682434e7881f20e9dfbe6687ea619795] Merge tag 'mfd-3.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 git bisect bad 4b781474682434e7881f20e9dfbe6687ea619795 # good: [2c757fd5d1a92086f225a75a8fac7cab242d11b0] Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc git bisect good 2c757fd5d1a92086f225a75a8fac7cab242d11b0 # good: [1629372caaaf7ef744d3b983be56b99468a68ff8] powerpc: Use the new generic strncpy_from_user() and strnlen_user() git bisect good 1629372caaaf7ef744d3b983be56b99468a68ff8 # good: [cc0a98436820b161b595b8cc1d2329bcf7328107] NFSv4: Add debugging printks to state manager git bisect good cc0a98436820b161b595b8cc1d2329bcf7328107 # good: [cd99758ba3bde64347a8ece381cbae2fb5c745b2] mfd: Convert wm831x to irq_domain git bisect good cd99758ba3bde64347a8ece381cbae2fb5c745b2 # good: [d766023eea566bb3c2a57a0567af5b271908fdc2] Merge branch 'doc' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial git bisect good d766023eea566bb3c2a57a0567af5b271908fdc2 # good: [3770c75a6852a87afc66cd514c13899f8a288cef] mfd: Enable Device Tree support in the ab8500-pwm driver git bisect good 3770c75a6852a87afc66cd514c13899f8a288cef # good: [21f082a66177852365df0c955ecaef50fba9a691] mfd: ab8500-core should depend on MFD_DB8500_PRCMU git bisect good 21f082a66177852365df0c955ecaef50fba9a691 # bad: [8f6576ad476b2a22d05ddafd2ddaee102577a4ed] tty: fix ldisc lock inversion trace git bisect bad 8f6576ad476b2a22d05ddafd2ddaee102577a4ed # good: [8b56a30caaf9bc1850784f196636c5f550cc7577] exofs: Add SYSFS info for autologin/pNFS export git bisect good 8b56a30caaf9bc1850784f196636c5f550cc7577 # bad: [d3ca8b64b97ef4dc54d7bb0b88bbc01a1fca8cb9] pty: Fix lock inversion git bisect bad d3ca8b64b97ef4dc54d7bb0b88bbc01a1fca8cb9 # good: [a01ee165a132fadb57659d26246e340d6ac53265] Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd git bisect good a01ee165a132fadb57659d26246e340d6ac53265 # git bisect visualize commit d3ca8b64b97ef4dc54d7bb0b88bbc01a1fca8cb9 Author: Alan Cox Date: Tue May 29 13:45:01 2012 +0100 pty: Fix lock inversion The ptmx_open path takes the tty and devpts locks in the wrong order because tty_init_dev locks and returns a locked tty. As far as I can tell this is actually safe anyway because the tty being returned is new so nobody can get a reference to lock it at this point. However we don't even need the devpts lock at this point, it's only held as a byproduct of the way the locks were pushe down. Signed-off-by: Alan Cox Acked-by: Greg Kroah-Hartman Signed-off-by: Linus Torvalds