From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: [PATCH 5/5] just realized that it's broken Date: Fri, 30 Jan 2009 10:48:04 +0000 Message-ID: <4982E8F4.76E4.0078.0@novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org This patch was moving the cpumask out of struct page_info into the page itself, but I just realized that this it not valid, since the purpose of = the mask is to avoid a later TLB flush, hence the base assumption is that the page might still be in the TLB of some CPU, thus making it possible for a mis- behaved guest to still write to that page. Sorry for the mis-numbering, Jan