Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752376AbbL2D0K (ORCPT ); Mon, 28 Dec 2015 22:26:10 -0500 Received: from mail-pf0-f181.google.com ([209.85.192.181]:33229 "EHLO mail-pf0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750971AbbL2D0I (ORCPT ); Mon, 28 Dec 2015 22:26:08 -0500 Date: Mon, 28 Dec 2015 19:26:09 -0800 From: Jeremiah Mahler To: Jiang Liu Cc: Thomas Gleixner , Joe Lawrence , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Borislav Petkov , andy.shevchenko@gmail.com, Guenter Roeck , linux-kernel@vger.kernel.org Subject: Re: [Bugfix v2 1/5] x86/irq: Do not reuse struct apic_chip_data.old_domain as temporary buffer Message-ID: <20151229032609.GA4258@hudson.localdomain> Mail-Followup-To: Jeremiah Mahler , Jiang Liu , Thomas Gleixner , Joe Lawrence , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Borislav Petkov , andy.shevchenko@gmail.com, Guenter Roeck , linux-kernel@vger.kernel.org References: <1450880014-11741-1-git-send-email-jiang.liu@linux.intel.com> <20151224051539.GB1845@hudson.localdomain> <5680F1C0.7080505@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5680F1C0.7080505@linux.intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 711 Lines: 25 Gerry, On Mon, Dec 28, 2015 at 04:24:32PM +0800, Jiang Liu wrote: [...] > Hi Jeremiah, > Could you please help to confirm which commit caused the > regression? > 1) x86/irq: Do not reuse struct apic_chip_data.old_domain as temporary > buffer > 2) x86/irq: Fix a race condition between vector assigning and cleanup > > Thanks, > Gerry According to my original bisect [1], it is the second patch. [1]: https://lkml.org/lkml/2015/12/20/11 -- - Jeremiah Mahler -- 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/