From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 12 Aug 2001 07:46:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 12 Aug 2001 07:46:41 -0400 Received: from router-100M.swansea.linux.org.uk ([194.168.151.17]:2573 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Sun, 12 Aug 2001 07:46:37 -0400 Subject: Re: struct page to 36 (or 64) bit bus address? To: davem@redhat.com (David S. Miller) Date: Sun, 12 Aug 2001 12:49:00 +0100 (BST) Cc: sandy@storm.ca, linux-kernel@vger.kernel.org In-Reply-To: from "David S. Miller" at Aug 12, 2001 01:00:13 AM X-Mailer: ELM [version 2.5 PL5] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > There have been a few threads on this issue. One of the core reasons > the situation is unlikely to change in 2.4.x is that the scsi layer in > it's current form makes the logic required for recovering from a DMA > mapping failure aweful at best. Actually its pretty trivial to resolve that I think. We already follow precisely the right procedure for some other scsi events. So scsi_retry_command(SCpnt); would map to setting the error and returning.