From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH 0/2] xen: Allow xen tools to run in guest using 64K page granularity Date: Mon, 20 Jul 2015 15:06:05 +0100 Message-ID: <1437401165.17368.26.camel@citrix.com> References: <1431345336-5476-1-git-send-email-julien.grall@citrix.com> <20150625102147.GC6545@zion.uk.xensource.com> <1435231406.32500.40.camel@citrix.com> <559BC419.7020103@citrix.com> <1436282342.25646.245.camel@citrix.com> <55ACFE3F.7070107@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZHBiO-0002Uk-1u for xen-devel@lists.xenproject.org; Mon, 20 Jul 2015 14:06:44 +0000 In-Reply-To: <55ACFE3F.7070107@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Julien Grall , ian.jackson@eu.citrix.com Cc: xen-devel@lists.xenproject.org, Wei Liu , stefano.stabellini@citrix.com, tim@xen.org List-Id: xen-devel@lists.xenproject.org On Mon, 2015-07-20 at 14:57 +0100, Julien Grall wrote: > Hi Ian, This is a tools backport, so needs to be Ian J not me. > On 07/07/15 16:19, Ian Campbell wrote: > > On Tue, 2015-07-07 at 13:20 +0100, Julien Grall wrote: > >> Hi Ian, > >> > >> On 25/06/15 12:23, Ian Campbell wrote: > >>> On Thu, 2015-06-25 at 11:21 +0100, Wei Liu wrote: > >>>> On Mon, May 11, 2015 at 12:55:34PM +0100, Julien Grall wrote: > >>>>> Hi all, > >>>>> > >>>>> This small series are the only changes required in Xen in order to run a guest > >>>>> using 64K page granularity on top of an unmodified Xen. > >>>>> > >>>>> I'd like feedback from maintainers tools to know if it might be worth to > >>>>> introduce a function xc_pagesize() replicating the behavior of getpagesize() > >>>>> for Xen. > >>>>> > >>>> > >>>> Can we start with documenting the ABI (?) for communicating between > >>>> guests with different page sizes? > >>> > >>> We should certainly make it clearer what things are in terms of "Xen ABI > >>> page size" vs "the guest's page size" and other things. > >>> > >>> I think we can commit these two without that though? > >> > >> Ping? It would be nice to have these 2 patches for Xen 4.5. This is the > >> only patch necessary in Xen in order to run OS using 64KB page > >> granularity as DOM0. > > > > Wei acked the patch at "Thu, 25 Jun 2015 13:58:26 +0100" after the > > discussion around the docs which concluded at "Thu, 25 Jun 2015 12:45:49 > > +0100", IOW I have assumed this Ack to mean he is ok with them going in > > with a docs patch to follow. > > Would it be possible to backport those 2 patches on Xen 4.5 (I don't > think it worth to do it for Xen 4.4)? It's the only changes to allow > Linux using 64KB page granularity running on Xen 4.5. On the face of it sounds reasonable to me.