From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946379AbXBILuv (ORCPT ); Fri, 9 Feb 2007 06:50:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946387AbXBILuv (ORCPT ); Fri, 9 Feb 2007 06:50:51 -0500 Received: from cantor2.suse.de ([195.135.220.15]:39951 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946379AbXBILuu (ORCPT ); Fri, 9 Feb 2007 06:50:50 -0500 From: Andi Kleen To: virtualization@lists.osdl.org Subject: Re: [PATCH 6/10] lguest code: the little linux hypervisor. Date: Fri, 9 Feb 2007 12:50:06 +0100 User-Agent: KMail/1.9.5 Cc: Zachary Amsden , Rusty Russell , Paul Mackerras , Stephen Rothwell , Andrew Morton , lkml - Kernel Mailing List References: <1171012296.2718.26.camel@localhost.localdomain> <1171018812.2718.66.camel@localhost.localdomain> <45CC5771.1070309@vmware.com> In-Reply-To: <45CC5771.1070309@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200702091250.06482.ak@muc.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Yes, it is a bit, umm, innovative. If it is going to be kept, even if > just for devel logging, you should disable interrupts around it. > Changing segments is not a normal thing to do. Actually that wouldn't be needed because interrupts are not allowed to do any user accesses. And contrary to the name it doesn't actually change the segment registers, only state used by *_user. -Andi