From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754807AbZEKQ6P (ORCPT ); Mon, 11 May 2009 12:58:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752711AbZEKQ56 (ORCPT ); Mon, 11 May 2009 12:57:58 -0400 Received: from gw.goop.org ([64.81.55.164]:54088 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751845AbZEKQ55 (ORCPT ); Mon, 11 May 2009 12:57:57 -0400 Message-ID: <4A085915.50300@goop.org> Date: Mon, 11 May 2009 09:57:57 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Ingo Molnar CC: FUJITA Tomonori , the arch/x86 maintainers , Linux Kernel Mailing List , Xen-devel Subject: Re: [GIT PULL] xen: swiotlb support for Xen dom0 References: <1241741842-7966-1-git-send-email-jeremy@goop.org> <20090511130455.GO13954@elte.hu> In-Reply-To: <20090511130455.GO13954@elte.hu> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > * Jeremy Fitzhardinge wrote: > > >> Hi Ingo, >> >> This branch adds the swiotlb hooks for Xen dom0. We use swiotlb >> to handle various device drivers which assume that multipage DMA >> transfers which are contigious in kernel memory are also >> contigious in machine memory (mostly lower-performance devices, as >> high-performance ones already do a good job of scatter-gather). >> >> Following Fujita's suggestion, these changes remove a lot of the >> placeholder stubs in arch/x86/kernel/pci-swiotlb.c and moves them >> into the Xen-specific arch/x86/xen/pci-swiotlb.c. (It still >> relies on overriding the weak functions defined in lib/swiotlb.c.) >> >> The following changes since commit 2af252ab26150b4411889c9eaf1af4c5bf03de78: >> Jeremy Fitzhardinge (1): >> xen: checkpatch cleanups >> > > Would be nice to have a pull request for this with Fujita-san's acks > embedded in the commits, and with a tree based against tip:x86/xen. > I will regenerate the branch with the acks (and Joerg made some comments which I'll address too). J