From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752741AbcDOLXA (ORCPT ); Fri, 15 Apr 2016 07:23:00 -0400 Received: from ozlabs.org ([103.22.144.67]:33988 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752284AbcDOLW7 (ORCPT ); Fri, 15 Apr 2016 07:22:59 -0400 Message-ID: <1460719369.22415.1.camel@ellerman.id.au> Subject: Re: [PATCH 0/5] Live patching for powerpc From: Michael Ellerman To: Josh Poimboeuf , Torsten Duwe Cc: Jiri Kosina , Miroslav Benes , linuxppc-dev@ozlabs.org, bsingharora@gmail.com, linux-kernel@vger.kernel.org, rostedt@goodmis.org, kamalesh@linux.vnet.ibm.com, pmladek@suse.com, jeyu@redhat.com, live-patching@vger.kernel.org Date: Fri, 15 Apr 2016 21:22:49 +1000 In-Reply-To: <20160414164122.7ubcqqm43advdscb@treble> References: <1460552003-15409-1-git-send-email-mpe@ellerman.id.au> <1460616590.2754.6.camel@ellerman.id.au> <20160414125735.GA20296@lst.de> <1460639282.21066.5.camel@ellerman.id.au> <20160414152029.GA24525@lst.de> <20160414164122.7ubcqqm43advdscb@treble> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5-1ubuntu3.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2016-04-14 at 11:41 -0500, Josh Poimboeuf wrote: > On Thu, Apr 14, 2016 at 05:20:29PM +0200, Torsten Duwe wrote: > > On Thu, Apr 14, 2016 at 11:08:02PM +1000, Michael Ellerman wrote: > > > On Thu, 2016-04-14 at 14:57 +0200, Torsten Duwe wrote: > > > > FTR: then I still have a few ppc64 hunks floating around to support certain consistency > > > > models... > > > > > > OK. I'm not quite sure what you mean but post them and we'll see I guess :) > > > > It's *roughly* the ppc64 equivalent of Josh Poimboeuf's Mar 25 > > > [RFC PATCH v1.9 14/14] livepatch: update task universe when exiting kernel > > which only considers x86. > > > > It's forward ported from an earlier code base; there's some glue missing, > > but here it is, for reference. > > > > Signed-off-by: Torsten Duwe > > Hi Torsten, > > Thanks for sharing. This is quite fortuitous as Miroslav just today > mentioned to me that we would need something like this. If you don't > mind, I may pull this patch or some variant of it into v2 of the > consistency model. Well please wait for me to review & ack it before you pull it into anything permanent. At a quick glance it seems OK but I'd probably do it a little differently. I'll try and have a closer look next week. cheers