From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gianluca Guida Subject: Re: Re: Poor performance on HVM (kernbench) Date: Fri, 12 Sep 2008 11:41:04 +0100 Message-ID: <48CA4740.2080307@eu.citrix.com> References: <1e16a9ed0809101123m71a12030v7d06501f6467f93@mail.gmail.com> <1e16a9ed0809101422p6a58304dxaa1a92847109a518@mail.gmail.com> <48C8EC48.6080507@eu.citrix.com> <48C9367B.6090003@eu.citrix.com> <1e16a9ed0809110835p73165150t3f78d75b2f2ca8eb@mail.gmail.com> <48C9548C.4060709@eu.citrix.com> <48C962D8.5030102@eu.citrix.com> <1e16a9ed0809111204m69efc406keddf41312b74f07d@mail.gmail.com> <48C9796B.8070103@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <48C9796B.8070103@goop.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jeremy Fitzhardinge Cc: Muli Ben-Yehuda , deshantm@gmail.com, George Dunlap , xen-devel mailing list , Anthony Liguori List-Id: xen-devel@lists.xenproject.org Jeremy Fitzhardinge wrote: > No, there's no pv-hvm driver support upstream yet. When I get around to > it I intend adding support for the pagetable shootdown > paravirtualization too, so that unshadowing shouldn't be a problem. Oh, OK. I didn't know that. The only good news is that this behavior is not expected by the shadow3 algorithm, since most of the developing time has been spent in ways to prevent completely brute-force search of writable mappings. I'll get back with a patch to fix this after I can reproduce it on my machine. Thanks, Gianluca