Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753087AbaKXImA (ORCPT ); Mon, 24 Nov 2014 03:42:00 -0500 Received: from www.linutronix.de ([62.245.132.108]:36463 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752679AbaKXIl6 (ORCPT ); Mon, 24 Nov 2014 03:41:58 -0500 Date: Mon, 24 Nov 2014 09:41:55 +0100 (CET) From: Thomas Gleixner To: Yuanhan Liu cc: Jiang Liu , LKML , lkp@01.org Subject: Re: [LKP] [x86, irq, ACPI] 5fcb864ef90: -3.3%(vm-scalability.throughput) +12.9%(turbostat.%c0) In-Reply-To: <20141124025141.GA7310@yliu-dev.sh.intel.com> Message-ID: References: <20141124025141.GA7310@yliu-dev.sh.intel.com> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 24 Nov 2014, Yuanhan Liu wrote: > > We noticed the below changes on(NOTE: I'm not sure the bisect is correct > or not, here I report it out JFYI). > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > commit 5fcb864ef90df093d964171539c87ffa0ab49f0f ("x86, irq, ACPI: Implement interfaces to support ACPI based IOAPIC hot-removal") > I really doubt that this commit has anything to do with the observed behaviour change. The code in question is only executed at boot time or when a IOAPIC is physically hotplugged. Thanks, tglx -- 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/