From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767485AbXDFBh2 (ORCPT ); Thu, 5 Apr 2007 21:37:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767487AbXDFBh2 (ORCPT ); Thu, 5 Apr 2007 21:37:28 -0400 Received: from gw.goop.org ([64.81.55.164]:39113 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767485AbXDFBh1 (ORCPT ); Thu, 5 Apr 2007 21:37:27 -0400 Message-ID: <4615A431.5040104@goop.org> Date: Thu, 05 Apr 2007 18:36:49 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Zachary Amsden CC: Andi Kleen , Andrew Morton , Linux Kernel Mailing List , Linus Torvalds Subject: Re: [PATCH] Bugfix for VMI paravirt ops References: <46158674.5090709@vmware.com> <200704060154.41574.ak@suse.de> <46158DE1.4050508@vmware.com> <46158F8E.1050807@goop.org> <46158FBE.3090105@vmware.com> <461590EA.10605@goop.org> <4615924E.8020009@vmware.com> <46159555.4020706@goop.org> <4615982A.1070700@vmware.com> <461599C1.50002@goop.org> <46159A2A.8050804@vmware.com> <4615A2F8.7040602@goop.org> <4615A32D.2080209@vmware.com> In-Reply-To: <4615A32D.2080209@vmware.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Zachary Amsden wrote: > Do you mean kmap_atomic_pfn? Yes. > kunmap_atomic can stay lazy (at least for VMI), actually, but it > doesn't help since it happens outside the spin lock. May as well be consistent. Or do you mean you can't flush outside the spinlock, even if there's nothing pending? J