From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755344Ab3HaUry (ORCPT ); Sat, 31 Aug 2013 16:47:54 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:56227 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754077Ab3HaUrx (ORCPT ); Sat, 31 Aug 2013 16:47:53 -0400 Message-ID: <1377982049.9792.44.camel@deadeye.wl.decadent.org.uk> Subject: Re: stable: please queue commit 0231bb5 ("perf: Fix event group context move") From: Ben Hutchings To: Ingo Molnar Cc: Li Zefan , Greg Kroah-Hartman , Peter Zijlstra , LKML , stable Date: Sat, 31 Aug 2013 21:47:29 +0100 In-Reply-To: <20130805082118.GD26746@gmail.com> References: <51FF5FC9.8080302@huawei.com> <20130805082118.GD26746@gmail.com> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-kflh9ETM4aDJEhIUPciv" X-Mailer: Evolution 3.4.4-3 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 192.168.4.101 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-kflh9ETM4aDJEhIUPciv Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2013-08-05 at 10:21 +0200, Ingo Molnar wrote: > * Li Zefan wrote: >=20 > > Plese consider adding commit 0231bb5336758426b44ccd798ccd3c5419c95d58 > > to stable tree. It fixes a real bug, which was explained here: > >=20 > > http://thread.gmane.org/gmane.linux.kernel.perf.user/1144 > >=20 > > and I've managed to reproduce the bug in 3.4 kernel with the test > > program attached in the above email, and I've confirmed the bug fix. > >=20 > > The effect of the bug is, if we open a group of mixed events(sw/hw) > > and the "disabled" flag is not set and sw events come first, then > > some of the perf events won't be started after the call to perf_event_o= pen(). > >=20 > > The bug fix should be applicable to kernels >=3D 3.0 && <=3D 3.7. >=20 > Acked-by: Ingo Molnar Queued up for 3.2, thanks. Ben. --=20 Ben Hutchings If God had intended Man to program, we'd have been born with serial I/O ports. --=-kflh9ETM4aDJEhIUPciv Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIVAwUAUiJWYee/yOyVhhEJAQrltA/+OqNLr2na8n1LgeN0ndf9vn4FqWvkir4W 9GPJvI26Z04RLEMUVaLE7f3TY3mTwMSYwdoeAmfNyUGEezrAg7vuPO5rLydLcuvJ HZjnK326sEQETtg4kO8q8jD592pQUebq1OSHBMgtpjJjn9uxEcgJ1BtW2rxcynLm BZvYrQXgtkOnoexCjy1spaZVFf0/FM0Ehcwlu0p0z9VazDYjRDQz49oyR7WnEuWo WQtOAnwx4iBWdA+gNf00FbwuZ8bqhYlFUWrYXTBtOFpfy0LqbK+wQWcb6nA1JoEx 0JmSbDN9vSGhLNeiWRCkyZl8tdrPGy3bpOcBStJTv09pQd5umKUkAJE/eQoLZsFl 96cWiTjZCfmZY2oGwuQqEMjg/MPgsVNFoP8AZs8g5NVFVpMsIODuXVRkzUeiUPSV fGuvkGDTPacRKgyVBS5j8xrZ0JgXO1RlUgH4cTHCSl5VYdfjeEM5nP93WDWSYhIZ POQhKR1PpH/jV60rXhhQWCe27K23da5M1YssLMZMR6CGUQcVmiYhckYErZBrli30 GDvttKt2RAaVOSi29VC/jS5Uh566hZi+P+LcXJ0KOLVPJBm5XDO9PugWE/NSK6kq dHX9aPjk6Y23xXlKmAaKuwPBduNDr4GDSQdxd33kQvZbNNfDr0xAluwZ66mq0RtF 0Tuzth52lrA= =Y9Xo -----END PGP SIGNATURE----- --=-kflh9ETM4aDJEhIUPciv--