Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757176AbXINSuz (ORCPT ); Fri, 14 Sep 2007 14:50:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751770AbXINSus (ORCPT ); Fri, 14 Sep 2007 14:50:48 -0400 Received: from mga03.intel.com ([143.182.124.21]:39634 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751240AbXINSur convert rfc822-to-8bit (ORCPT ); Fri, 14 Sep 2007 14:50:47 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.20,256,1186383600"; d="scan'208";a="279126028" X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: RE: cpu hotplug support broken in 2.6.23-rc3 Date: Fri, 14 Sep 2007 11:49:17 -0700 Message-ID: <653FFBB4508B9042B5D43DC9E18836F501619542@scsmsx415.amr.corp.intel.com> In-Reply-To: <1189774257.3100.7.camel@chaos> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: cpu hotplug support broken in 2.6.23-rc3 Thread-Index: Acf2zpBmzbaAG8UATK+sJyzaHAxZqQAMSKDw References: <20070827104350.GA2073@elf.ucw.cz> <20070903034720.GB3655@ucw.cz> <200709031219.12846.rjw@sisk.pl> <1188822917.3406.0.camel@chaos> <20070904072744.GA30474@atrey.karlin.mff.cuni.cz> <1189713695.3974.23.camel@chaos> <20070914123816.GE1671@elf.ucw.cz> <1189774257.3100.7.camel@chaos> From: "Pallipadi, Venkatesh" To: "Thomas Gleixner" , "Pavel Machek" Cc: "Rafael J. Wysocki" , "Jeff Chua" , , , , "kernel list" , "Len Brown" X-OriginalArrivalTime: 14 Sep 2007 18:50:31.0724 (UTC) FILETIME=[204BAEC0:01C7F700] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1459 Lines: 44 >-----Original Message----- >From: linux-kernel-owner@vger.kernel.org >[mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of >Thomas Gleixner >Sent: Friday, September 14, 2007 5:51 AM >To: Pavel Machek >Cc: Rafael J. Wysocki; Jeff Chua; rusty@rustycorp.com.au; >vatsa@in.ibm.com; zwane@arm.linux.org.uk; kernel list; Len Brown >Subject: Re: cpu hotplug support broken in 2.6.23-rc3 > >Pavel, > >On Fri, 2007-09-14 at 14:38 +0200, Pavel Machek wrote: >> > I have an yet untested fix, which preserves the broadcast >state across >> > the offline state, but Len is looking into it as well, >whether we can >> > just reevaluate the power states (and the broadcast flags) >when a cpu >> > becomes online again. If Len can do that easily for >2.6.23, I'd prefer >> > that. >> >> Is there a patch you want me to test? Or does Len have anything to >> play with? > >Venki sent me an initial patch, but it has issues with the notify >ordering. Find below my "cache the broadcast flags" version >for testing. > While wirting that patch, I knew solution could not be that simple :(. Does the patch work for online offline case atleast? Will look at the Suspend/Resume ordering part in that case. Thanks, Venki - 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/