From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Magenheimer Subject: RE: [PATCH][2/4] Enable 1GB for Xen HVM host page Date: Tue, 23 Feb 2010 09:19:15 -0800 (PST) Message-ID: <4bc57870-0038-429f-ad50-990cd2e33ee9@default> References: <4B82BC5C.7010402@amd.com 20100223130053.GR368@whitby.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20100223130053.GR368@whitby.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Tim Deegan , Wei Huang Cc: "Xu, Dongxiao" , Keir@acsinet12.oracle.com, xen-devel@lists.xensource.com, Fraser List-Id: xen-devel@lists.xenproject.org I'll bet save/restore/migration for 1GB pages will be a fun challenge. At least please set the "no_migrate" flag automatically for any domain that uses 1GB pages unless/until live migration is supported. > -----Original Message----- > From: Tim Deegan [mailto:Tim.Deegan@citrix.com] > Sent: Tuesday, February 23, 2010 6:01 AM > To: Wei Huang > Cc: Keir@acsinet12.oracle.com; Xu, Dongxiao; xen- > devel@lists.xensource.com; Fraser > Subject: Re: [Xen-devel] [PATCH][2/4] Enable 1GB for Xen HVM host page >=20 > At 17:18 +0000 on 22 Feb (1266859100), Wei Huang wrote: > > Change page allocation code in Xen tools. The allocation request now > > starts with 1GB; if that fails, then falls back to 2MB and then 4KB. >=20 > Can we have an equivalent patch for the save/restore path please? That > took a while to catch up when 2MB superpages were introduced. >=20 > Tim. >=20 > -- > Tim Deegan > Principal Software Engineer, XenServer Engineering > Citrix Systems UK Ltd. (Company #02937203, SL9 0BG) >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel