From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: RE: [PATCH] mptsas: fix dma alignment Date: Tue, 08 Sep 2009 14:22:46 +0000 Message-ID: <1252419766.3990.47.camel@mulgrave.site> References: <20090902010331.37889a2c@vitb-lp> <0D1E8821739E724A86F4D16902CE275C1C8EAE0A19@inbmail01.lsi.com> <20090907174538.67c7cedd@vitb-lp> <0D1E8821739E724A86F4D16902CE275C1C8EAE0B11@inbmail01.lsi.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from cantor2.suse.de ([195.135.220.15]:58915 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750910AbZIHOWw (ORCPT ); Tue, 8 Sep 2009 10:22:52 -0400 In-Reply-To: <0D1E8821739E724A86F4D16902CE275C1C8EAE0B11@inbmail01.lsi.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Desai, Kashyap" Cc: Vitaly Bordug , "Moore, Eric" , DL-MPT Fusion Linux , "linux-scsi@vger.kernel.org" On Tue, 2009-09-08 at 13:49 +0530, Desai, Kashyap wrote: > After seeing original commit from James, this patch looks OK to me. > Please consider this patch as ACKed by me. If you're sure it's a problem. The reason for the original was that all DMA engines (including the old LSI 1010) can transfer on word boundaries. I didn't realise the 1030 had regressed in terms of DMA alignment requirements. James