From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: SCSI breakage on non-cache coherent architectures Date: Mon, 19 Nov 2007 16:57:08 -0800 (PST) Message-ID: <20071119.165708.37213607.davem@davemloft.net> References: <1195518864.6970.23.camel@pasglop> <20071119.164611.64664648.davem@davemloft.net> <1195520101.6970.28.camel@pasglop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:54711 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752515AbXKTA5J (ORCPT ); Mon, 19 Nov 2007 19:57:09 -0500 In-Reply-To: <1195520101.6970.28.camel@pasglop> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: benh@kernel.crashing.org Cc: James.Bottomley@HansenPartnership.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, rmk@arm.linux.org.uk From: Benjamin Herrenschmidt Date: Tue, 20 Nov 2007 11:55:01 +1100 > BTW. What is the status nowadays with skb's ? Good question. Some drivers are problematic (or were) because they put DMA descriptor chaining information at the head of the buffer, but those have been fixed either to use alternate descriptor ring facilities or make the proper DMA sync calls.