Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763080AbZFNVn6 (ORCPT ); Sun, 14 Jun 2009 17:43:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757600AbZFNVnu (ORCPT ); Sun, 14 Jun 2009 17:43:50 -0400 Received: from einhorn.in-berlin.de ([192.109.42.8]:35316 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757104AbZFNVnu (ORCPT ); Sun, 14 Jun 2009 17:43:50 -0400 X-Envelope-From: stefanr@s5r6.in-berlin.de Message-ID: <4A356F0E.9020809@s5r6.in-berlin.de> Date: Sun, 14 Jun 2009 23:43:42 +0200 From: Stefan Richter User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.21) Gecko/20090523 SeaMonkey/1.1.16 MIME-Version: 1.0 To: Ben Dooks CC: linux-kernel@vger.kernel.org, Joerg Roedel Subject: Re: dma-debug: check_for_stack background? References: <4A3547DD.2010809@s5r6.in-berlin.de> <20090614212018.GD20442@fluff.org.uk> In-Reply-To: <20090614212018.GD20442@fluff.org.uk> 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 Content-Length: 713 Lines: 19 Ben Dooks wrote: > On Sun, Jun 14, 2009 at 08:56:29PM +0200, Stefan Richter wrote: >> the DMA debug facility warns >> about mappings of on-stack memory. What's the problem with that? ... > I'm not sure if it is possible on all architectures, however the > DMA mapping documentation prohibts the use of stack memory. Ah, it has all been documented in plain sight for ages. Thanks for the pointer. -- Stefan Richter -=====-==--= -==- -===- http://arcgraph.de/sr/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/