From owner-freebsd-xen@FreeBSD.ORG Tue Sep 22 13:59:15 2009 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D783A106566C for ; Tue, 22 Sep 2009 13:59:15 +0000 (UTC) (envelope-from lab@gta.com) Received: from mailgate.gta.com (mailgate.gta.com [199.120.225.20]) by mx1.freebsd.org (Postfix) with SMTP id 2070D8FC0C for ; Tue, 22 Sep 2009 13:59:14 +0000 (UTC) Received: (qmail 47497 invoked by uid 1000); 22 Sep 2009 13:59:14 -0000 Date: Tue, 22 Sep 2009 09:59:14 -0400 From: Larry Baird To: Kostik Belousov Message-ID: <20090922135914.GA44294@gta.com> References: <20090922123401.GB29391@gta.com> <20090922131034.GV47688@deviant.kiev.zoral.com.ua> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090922131034.GV47688@deviant.kiev.zoral.com.ua> User-Agent: Mutt/1.4.2.3i Cc: freebsd-xen@freebsd.org Subject: Re: XEN 5.5.0 and clflush X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Sep 2009 13:59:15 -0000 Kostik, > I am sorry for delay in answering, you may use this temporal patch until > the issue is resolved somehow. > > I think I will have to disable CLFLUSH support for intel CPUs when self-snoop > is not reported. Thanks for the feedback? Have you heard about this being a problem on platforms other than XEN? I am not sure how many FreeBSD users are using XEN. If this is a large base, getting a fix in before FreeBSD 8 is released would be nice. (-: Larry -- ------------------------------------------------------------------------ Larry Baird | http://www.gta.com Global Technology Associates, Inc. | Orlando, FL Email: lab@gta.com | TEL 407-380-0220, FAX 407-380-6080