From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753240Ab3BCNBY (ORCPT ); Sun, 3 Feb 2013 08:01:24 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:33295 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752222Ab3BCNBW (ORCPT ); Sun, 3 Feb 2013 08:01:22 -0500 Message-ID: <1359896460.29976.0.camel@deadeye.wl.decadent.org.uk> Subject: Re: [ 06/89] powerpc/book3e: Disable interrupt after preempt_schedule_irq From: Ben Hutchings To: Tiejun Chen Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Benjamin Herrenschmidt , Greg Kroah-Hartman Date: Sun, 03 Feb 2013 14:01:00 +0100 In-Reply-To: <20130201130207.918022394@linuxfoundation.org> References: <20130201130207.444989281@linuxfoundation.org> <20130201130207.918022394@linuxfoundation.org> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-GHf5r4mvRSsgtPtM6M6D" X-Mailer: Evolution 3.4.4-1 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 151.216.67.5 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 --=-GHf5r4mvRSsgtPtM6M6D Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2013-02-01 at 14:07 +0100, Greg Kroah-Hartman wrote: > 3.7-stable review patch. If anyone has any objections, please let me kno= w. >=20 > ------------------ >=20 > From: Tiejun Chen >=20 > commit 572177d7c77db1981ba2563e01478126482c43bc upstream. >=20 > In preempt case current arch_local_irq_restore() from > preempt_schedule_irq() may enable hard interrupt but we really > should disable interrupts when we return from the interrupt, > and so that we don't get interrupted after loading SRR0/1. >=20 > Signed-off-by: Tiejun Chen > Signed-off-by: Benjamin Herrenschmidt > Signed-off-by: Greg Kroah-Hartman [...] Is this needed for any earlier kernel versions? Ben. --=20 Ben Hutchings Everything should be made as simple as possible, but not simpler. - Albert Einstei= n --=-GHf5r4mvRSsgtPtM6M6D Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIUAwUAUQ5fjOe/yOyVhhEJAQpBRg/4z8k3CVQ5UoAb3fW4kyge2An2twCpUsGz HeMjohTbwmWW8EvfY1VuBB5+PaX8fPHICTmZK5UlJ9ziQKHmAiCqRYSF+jHMX9Ul 07qVsEJ+e4anvqEPkb7bMVpBOpIu6csl2xfvbJ6uTmCm+trBC1rd8FAJiVCWpAI1 mckEZeUW5Z4V1fDAJU4Nzq6g/QMC4BhcMLM7dbuzUxlcR5RxCPdt6hPxMxVvSj8m 7cRXK84CzuYhrHh0g8FwTuaFPiME0E8+d8rfjj/axlSkQLOEwhv/+hdboyGqVe96 gT+oS/GZx4t3Fbx5SIhEctRfgKrjeiWHUuZhQvrSRc6509CScFgnmBKPhvXRGrt9 +PLUqqW6MJvfYYjXY+muZgdPVG1+TFNliEL+dwPbWA/51RQ3RUjPBZthR/9kWess HwoostCeEfXyiyTvX04CWma1j9Y3s22n025lV3ZPhzP0sWv4P7yGqzW4m7eJHS0v HM+rNEh4ccsGXAwj5/0+lMNBmLFt64jlxYT4E8KWcOC8vzywnEEoyFjCTpnn9skr D9b271U2OMuMZ+0v6ityFoVHQbHAXG4slDwtPbIWzcn2n8h8wdvkn1tDISq5Ix3p RtLV9SHff8QMguTUQhDmL0Glg2dzvDH0RGenizGr7WXNCm7VjXxhwqCxqSdwFLY5 2ITI02HKig== =HGE8 -----END PGP SIGNATURE----- --=-GHf5r4mvRSsgtPtM6M6D--