From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Andres Lagar-Cavilla" Subject: Re: [PATCH 0 of 2] Support for Paging/Sharing on AMD Date: Thu, 29 Mar 2012 07:46:35 -0700 Message-ID: <7e6f4eefa902b1d9bbfc918e29c867d7.squirrel@webmail.lagarcavilla.org> References: <20120329110357.GE72859@ocelot.phlegethon.org> Reply-To: andres@lagarcavilla.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120329110357.GE72859@ocelot.phlegethon.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Tim Deegan Cc: olaf@aepfle.de, keir@xen.org, andres@gridcentric.ca, xen-devel@lists.xen.org, wei.wang2@amd.com, jbeulich@suse.com, adin@gridcentric.ca List-Id: xen-devel@lists.xenproject.org > At 11:43 -0400 on 27 Mar (1332848606), Andres Lagar-Cavilla wrote: >> This is a partial repost of the series first sent on Mar 22nd. >> >> It currently contains two patches >> - Teach paging types to p2m-pt. >> - Add interlock for iommu and mem paging/sharing. >> >> The first patch is rebased to apply on top of >> http://lists.xen.org/archives/html/xen-devel/2012-03/msg01982.html >> and addresses some feedbackfrom Tim Deegan. >> >> The second patch prevents a passthrough device from being assigned to a >> domain >> if mem paging or sharing have been turned on. And viceversa. This is a >> missing >> check that is necessary for both Intel and AMD processors. >> >> Signed-off-by: Andres Lagar-Cavilla > > Applied, thanks. Great, thanks. The question now is what to do for AMD+paging in Xen 4.2. It works partially, there are still VMEXIT_shutdown hvm crashes happening with pv drivers. I see two options - leave as is, disabled - enable it and tag it experimental (printk, documentation, etc) The patch for option 2 is straight-forward. Thoughts? Andres > > Tim. > >