From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [PATCH] enable tmem functionality for PV on HVM guests Date: Mon, 21 Jun 2010 18:39:25 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Dan Magenheimer , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 21/06/2010 18:14, "Dan Magenheimer" wrote: > (Keir, please also apply for 4.0.1 if it's not too late.) > > Enable tmem functionality for PV on HVM guests. Guest kernel > must still be tmem-enabled to use this functionality (e.g. > won't work for Windows), but upstream Linux tmem (aka > cleancache and frontswap) patches apply cleanly on top > of PV on HVM patches. > > Also, fix up some ASSERTS and code used only when bad guest > mfns are passed to tmem. Previous code could crash Xen > if a buggy/malicious guest passes bad gmfns. This patch doesn't apply to xen-unstable tip. -- Keir