From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763647AbXFAT5s (ORCPT ); Fri, 1 Jun 2007 15:57:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762156AbXFAT5m (ORCPT ); Fri, 1 Jun 2007 15:57:42 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:37099 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762108AbXFAT5m (ORCPT ); Fri, 1 Jun 2007 15:57:42 -0400 Date: Fri, 1 Jun 2007 20:57:38 +0100 From: Christoph Hellwig To: Andi Kleen Cc: Christoph Hellwig , Rik van Riel , linux-kernel , andrew.vasquez@qlogic.com Subject: Re: [PATCH] quiet down swiotlb warnings Message-ID: <20070601195738.GA21537@infradead.org> Mail-Followup-To: Christoph Hellwig , Andi Kleen , Rik van Riel , linux-kernel , andrew.vasquez@qlogic.com References: <466057B1.9090309@redhat.com> <20070601181225.GA16460@infradead.org> <20070601193703.GI7217@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070601193703.GI7217@one.firstfloor.org> User-Agent: Mutt/1.4.2.2i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 01, 2007 at 09:37:03PM +0200, Andi Kleen wrote: > > in some cases which is highly annoying and leads people to stick a > > __GFP_NOWARN into various places) > > An pci_map_sg failing typically leads to an IO error and we've > always printk'ed those. Otherwise people will wonder why they > get EIO. Not in a scsi driver. It will get requeued and the midlayer will submit it again when an outstanding command has finished.