Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755122AbXFXKZN (ORCPT ); Sun, 24 Jun 2007 06:25:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753678AbXFXKZB (ORCPT ); Sun, 24 Jun 2007 06:25:01 -0400 Received: from extu-mxob-2.symantec.com ([216.10.194.135]:40499 "EHLO extu-mxob-2.symantec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752523AbXFXKZA (ORCPT ); Sun, 24 Jun 2007 06:25:00 -0400 Date: Sun, 24 Jun 2007 11:24:16 +0100 (BST) From: Hugh Dickins X-X-Sender: hugh@blonde.wat.veritas.com To: Russell King cc: Christoph Lameter , Linus Torvalds , Nicolas Ferre , ARM Linux Mailing List , Linux Kernel list , Marc Pignat , Andrew Victor , Pierre Ossman , Andrew Morton Subject: Re: Oops in a driver while using SLUB as a SLAB allocator In-Reply-To: <20070624083849.GA19079@flint.arm.linux.org.uk> Message-ID: References: <467A4532.40301@rfo.atmel.com> <20070624083849.GA19079@flint.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Brightmail-Verdict: VlJEQwAAAAIAAAABAAAAAAAAAAEAAAAAAAAACmluYm94AGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmcAY2xhbWV0ZXJAc2dpLmNvbQBhbmRyZXdAc2FucGVvcGxlLmNvbQBuaWNvbGFzLmZlcnJlQHJmby5hdG1lbC5jb20AbGludXgtYXJtLWtlcm5lbEBsaXN0cy5hcm0ubGludXgub3JnLnVrAHRvcnZhbGRzQGxpbnV4LWZvdW5kYXRpb24ub3JnAGFrcG1AbGludXgtZm91bmRhdGlvbi5vcmcAbWFyYy5waWduYXRAaGV2cy5jaABkcnpldXNAZHJ6ZXVzLmN4AHJtaytsa21sQGFybS5saW51eC5vcmcudWsA X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 922 Lines: 23 On Sun, 24 Jun 2007, Russell King wrote: > On Fri, Jun 22, 2007 at 07:39:33PM +0100, Hugh Dickins wrote: > > I'm quite happy with this approach for 2.6.23-rc, along with your ARM > > dma_map patch which (if I understood aright) rmk approved. > > I didn't approve it. Please re-read my reply - there are still some > unanswered questions in it which _really_ need answering. Sorry for misrepresenting you. > The report talks about the AT91 machines. These machines do not have > cache coherent DMA. Therefore, the code being patched should be > optimised away by the compiler. *Or* we have even bigger problems. > > Please forward the original problem report. Done. Hugh - 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/