From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754574AbZE1PUt (ORCPT ); Thu, 28 May 2009 11:20:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751322AbZE1PUl (ORCPT ); Thu, 28 May 2009 11:20:41 -0400 Received: from outbound-dub.frontbridge.com ([213.199.154.16]:3200 "EHLO IE1EHSOBE004.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750916AbZE1PUk (ORCPT ); Thu, 28 May 2009 11:20:40 -0400 X-BigFish: VPS3(zzzz1202hzzz32i43j62h) X-Spam-TCS-SCL: 1:0 X-WSS-ID: 0KKD19Y-02-Y9C-01 From: Joerg Roedel To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/4] dma-debug: driver filter Date: Thu, 28 May 2009 17:19:27 +0200 Message-ID: <1243523971-12681-1-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.6.3.1 X-OriginalArrivalTime: 28 May 2009 15:19:34.0357 (UTC) FILETIME=[B4DB4050:01C9DFA7] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, this small patchset adds a new feature to dma-api debugging: a driver filter. A driver developer can write the name of his driver to dma-api/driver_filter and the kernel will then only print errors produced by this driver. This is useful if other drivers in the system also have bugs. In this case the driver developer can limit the bug output to messages interesting for him. Joerg diffstat: Documentation/DMA-API.txt | 11 +++ lib/dma-debug.c | 157 ++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 167 insertions(+), 1 deletions(-) shortlog: Joerg Roedel (4): dma-debug: add variables and checks for driver filter dma-debug: add debugfs file for driver filter dma-debug: add dma_debug_driver kernel command line dma-debug: add documentation for the driver filter