From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760382AbYBLGlo (ORCPT ); Tue, 12 Feb 2008 01:41:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754085AbYBLGlf (ORCPT ); Tue, 12 Feb 2008 01:41:35 -0500 Received: from smtp106.mail.mud.yahoo.com ([209.191.85.216]:22875 "HELO smtp106.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752922AbYBLGle (ORCPT ); Tue, 12 Feb 2008 01:41:34 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=0Is/B95ox6CejKwBxW+KXHQgWU2mC9G5bRy0Iey7h/dYdNZdSnYbNab7nC2+sl37H4qhHdijGRQrlhy2DnTVRD8C7NNiVyENKNu8C1i1+oeLThOSm+xQcZyViLEzXbDLB35IITdV6kWVrWXGzBbKZmRYsFm/ehBRv4NWfXnAevo= ; X-YMail-OSG: .8n9a7cVM1k33t5XqNPxJ6590jICw4TQJ7qL1vnPWOCvoCbxRbTZPepZ8gNcPWzUGRYrc9CNiz6z5crBZxaq0uHmR2vapWm3Q7EdJouh9BYDRZq28t8- X-Yahoo-Newman-Property: ymail-3 From: Nick Piggin To: Max Krasnyansky Subject: Re: [git pull for -mm] CPU isolation extensions (updated2) Date: Tue, 12 Feb 2008 17:41:21 +1100 User-Agent: KMail/1.9.5 Cc: Andrew Morton , torvalds@linux-foundation.org, LKML , Ingo Molnar , Paul Jackson , Peter Zijlstra , gregkh@suse.de, Rusty Russell References: <47B11C45.6060408@qualcomm.com> In-Reply-To: <47B11C45.6060408@qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200802121741.22201.nickpiggin@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 12 February 2008 15:10, Max Krasnyansky wrote: > Rusty - Stop machine. > After doing a bunch of testing last three days I actually downgraded > stop machine changes from [highly experimental] to simply [experimental]. > Pleas see this thread for more info: > http://marc.info/?l=linux-kernel&m=120243837206248&w=2 Short story is that > I ran several insmod/rmmod workloads on live multi-core boxes with stop > machine _completely_ disabled and did no see any issues. Rusty did not get > a chance to reply yet, I hopping that we'll be able to make "stop machine" > completely optional for some configurations. stop machine is used for more than just module loading and unloading. I don't think you can just disable it.