From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752140Ab2LPRkZ (ORCPT ); Sun, 16 Dec 2012 12:40:25 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:23931 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751595Ab2LPRkY (ORCPT ); Sun, 16 Dec 2012 12:40:24 -0500 Date: Sun, 16 Dec 2012 12:40:15 -0500 From: Konrad Rzeszutek Wilk To: Linus Torvalds , linux-kernel@vger.kernel.org Subject: [GIT PULL] (swiotlb) stable/for-linus-3.8-rc0-tag Message-ID: <20121216172609.GA31701@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: ucsinet22.oracle.com [156.151.31.94] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey Linus, Please git pull the following tag: git pull git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git stable/for-linus-3.8-rc0-tag which has one feature in the SWIOTLB code. That is to remove the multitude of phys_to_virt/virt_to_phys calls and instead operate on the physical addresses instead of virtual in many of the internal functions. This does provide a speed up in interrupt handlers that do DMA operations and use SWIOTLB. Please pull! drivers/xen/swiotlb-xen.c | 25 ++-- include/linux/swiotlb.h | 20 ++-- lib/swiotlb.c | 269 +++++++++++++++++++++++---------------------- 3 files changed, 163 insertions(+), 151 deletions(-) Alexander Duyck (7): swiotlb: Make io_tlb_end a physical address instead of a virtual one swiotlb: Make io_tlb_start a physical address instead of a virtual one swiotlb: Make io_tlb_overflow_buffer a physical address swiotlb: Return physical addresses when calling swiotlb_tbl_map_single swiotlb: Use physical addresses for swiotlb_tbl_unmap_single swiotlb: Use physical addresses instead of virtual in swiotlb_tbl_sync_single swiotlb: Do not export swiotlb_bounce since there are no external consumers