Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753822AbZDTDWz (ORCPT ); Sun, 19 Apr 2009 23:22:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752521AbZDTDWo (ORCPT ); Sun, 19 Apr 2009 23:22:44 -0400 Received: from vms173003pub.verizon.net ([206.46.173.3]:47643 "EHLO vms173003pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752260AbZDTDWn (ORCPT ); Sun, 19 Apr 2009 23:22:43 -0400 Date: Sun, 19 Apr 2009 23:22:36 -0400 (EDT) From: Len Brown X-X-Sender: lenb@localhost.localdomain To: Rusty Russell Cc: Andrew Morton , Dave Jones , linux-acpi@vger.kernel.org, Linux Kernel Mailing List , efault@gmx.de, Ingo Molnar , Thomas Gleixner , Venkatesh Pallipadi , yakui.zhao@intel.com, yanmin_zhang@linux.intel.com Subject: Re: [patch for 2.6.30 2/2] arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: avoid cross-CPU interrupts In-reply-to: <200904151605.05989.rusty@rustcorp.com.au> Message-id: References: <200904110617.n3B6HJ7W026502@imap1.linux-foundation.org> <200904141821.37413.rusty@rustcorp.com.au> <20090414101817.0c935261.akpm@linux-foundation.org> <200904151605.05989.rusty@rustcorp.com.au> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-version: 1.0 Content-type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 633 Lines: 17 > Andrew points out that acpi-cpufreq uses cpumask_any, when it really > would prefer to use the same CPU if possible (to avoid an IPI). In > general, this seems a good idea to offer. I like this idea. I'll drop andrew's patch "acpi-cpufreq.c: avoid cross-CPU interrupts" b/c that is not an emergency and this is more clever. thanks, -Len Brown, Intel Open Source Technology Center. -- 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/