From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757638AbZFWHM7 (ORCPT ); Tue, 23 Jun 2009 03:12:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753003AbZFWHMx (ORCPT ); Tue, 23 Jun 2009 03:12:53 -0400 Received: from ozlabs.org ([203.10.76.45]:59874 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752907AbZFWHMw (ORCPT ); Tue, 23 Jun 2009 03:12:52 -0400 From: Rusty Russell To: Christoph Hellwig Subject: Re: [PATCH] virtio_blk: don't bounce highmem requests Date: Tue, 23 Jun 2009 16:42:52 +0930 User-Agent: KMail/1.11.2 (Linux/2.6.28-13-generic; KDE/4.2.2; i686; ; ) Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org References: <20090619182022.GA10999@lst.de> <20090620183215.GA24936@lst.de> In-Reply-To: <20090620183215.GA24936@lst.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200906231642.52848.rusty@rustcorp.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 21 Jun 2009 04:02:15 am Christoph Hellwig wrote: > Looks like I sent a patch that doesn't actually compile because qui > decided to apply those fixes to a different one. Here's the correc > one: > > -- > > Subject: virtio_blk: don't bounce highmem requests > From: Christoph Hellwig > > By default a block driver bounces highmem requests, but virtio-blk is > perfectly fine with any request that fit into it's 64 bit addressing > scheme, mapped in the kernel virtual space or not. Thanks, applied. I had no idea we had to set a bounce limit; wonder what else the driver doesn't do? Thanks, Rusty.