From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Thomas Subject: Re: Re: A race condition in xenlinux exit_mmap Date: Tue, 01 Aug 2006 09:23:12 -0400 Message-ID: <44CF55C0.20009@virtualiron.com> References: <0EBFB99D260C5B40AC33E0F807B1AD66BD2F48@pdsmsx411.ccr.corp.intel.com> <4717086ad65c3dc9247801672d1556b1@cl.cam.ac.uk> <44CF525F.8060901@sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset=gb18030; format=flowed Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <44CF525F.8060901@sjtu.edu.cn> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: hanzhu Cc: "Li, Xin B" , xen-devel@lists.xensource.com, ben@virtualiron.com List-Id: xen-devel@lists.xenproject.org I agree. This is why we never submitted it, and I wanted you to understand that it was a "data point" and not an answer. regards, -b hanzhu wrote: > This patch just fail the sanity check. It should fix the bug. However, > it didn't fix the root cause. > I'm afraid Keir will not allow to add another VM_XXX flag. > > _______________________________________________________ > Best Regards, > hanzhu > > > > Ben Thomas дµÀ: > >> Xin, >> >> I'm attaching a patch that we've been using since late May/early June to >> address an "Eeek" issues. Since we applied the patch, we haven't seen the >> issue. As this was some time ago, I cannot recall if this is the same >> problem that you're seeing now. The patch wasn't submitted, as it isn't >> particularly clean. It's one of the many "some day soon" patches that we >> need to get resubmitted after a bit more work. I attach it here, not >> because >> I believe that it is "the answer", but as a data point for you. >> >> -b > /* >> * NOTE! We still have PageReserved() pages in the page -- ------------------------------------------------------------------------ Ben Thomas Virtual Iron Software bthomas@virtualiron.com Tower 1, Floor 2 978-849-1214 900 Chelmsford Street Lowell, MA 01851