Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932396AbWBFW0n (ORCPT ); Mon, 6 Feb 2006 17:26:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932399AbWBFW0m (ORCPT ); Mon, 6 Feb 2006 17:26:42 -0500 Received: from mail.suse.de ([195.135.220.2]:28389 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S932396AbWBFW0l (ORCPT ); Mon, 6 Feb 2006 17:26:41 -0500 From: Andi Kleen To: Hugh Dickins Subject: Re: [PATCH] ipr: don't doublefree pages from scatterlist Date: Mon, 6 Feb 2006 23:13:17 +0100 User-Agent: KMail/1.8.2 Cc: Ryan Richter , Brian King , "David S. Miller" , James.Bottomley@steeleye.com, Andrew Morton , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org References: <200602062211.29993.ak@suse.de> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200602062313.18041.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1264 Lines: 33 On Monday 06 February 2006 23:11, Hugh Dickins wrote: > On Mon, 6 Feb 2006, Andi Kleen wrote: > > On Monday 06 February 2006 17:45, Hugh Dickins wrote: > > > > > > But all this presupposes that someone is suddenly going to change the > > > x86_64 gart_map_sg (and subfunctions), or else force its iommu=nomerge: > > > that won't be me. > > > > Ok i changed it to conform to the gospel. I gave it some basic pounding LTP/dd IO with > > and without IOMMU force, but it's not that well tested. More testing welcome. > > Great, thanks Andi. One small correction to the comment... > > > Don't touch the non DMA members in the sg list in dma_map_sg in the IOMMU > > > > Some drivers (in particular ipr) ran into problems because they > > No, the problem hasn't knowingly been sighted on ipr, Ok. I was wondering anyways why people should use ipr on x86-64. > it was the > st driver that Ryan's been seeing it with - ipr just came from > my looking around for like instances. I will fix the comment. Thanks. -Andi - 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/