From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: loop in copy_user_generic_string Date: Tue, 04 Mar 2008 18:44:47 +0100 Message-ID: References: <47CD73DF.6070502@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net, Zdenek Kabelac To: Avi Kivity Return-path: In-Reply-To: <47CD73DF.6070502@qumranet.com> (Avi Kivity's message of "Tue\, 04 Mar 2008 18\:07\:59 +0200") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org Avi Kivity writes: > > Most likely movs emulation is broken for long counts. Please post a > disassembly of copy_user_generic_string to make sure we're looking at > the same code. Be careful -- this code is patched at runtime and what you see in the vmlinux is not necessarily the same that is executed Incidentially that might cause problems. -Andi ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/