From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Randy.Dunlap" Subject: Re: [BK PATCH] SCSI -rc fixes for 2.6.10-rc3 Date: Fri, 10 Dec 2004 14:55:04 -0800 Message-ID: <41BA2948.4030906@osdl.org> References: <1102650988.3814.13.camel@mulgrave> <20041210201115.GD12581@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from fw.osdl.org ([65.172.181.6]:24452 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261856AbULJW7K (ORCPT ); Fri, 10 Dec 2004 17:59:10 -0500 In-Reply-To: <20041210201115.GD12581@suse.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Jens Axboe Cc: James Bottomley , Andrew Morton , Linus Torvalds , SCSI Mailing List , Linux Kernel Jens Axboe wrote: > On Thu, Dec 09 2004, James Bottomley wrote: > >>This one is another set of small driver fixes >> >>It is available from: > > > Here is one more. Currently imm uses page_address() which can crash on > highmem. It's not directly doable to map the pages properly, at least > not without changing some code. In lack of a ->bounce_highio member in > the scsi host template, just set ->unchecked_isa_dma which will just > bounce everything for us. imm isn't performance critical by any stretch > of the imagination, so... > > Usually I'd not encourage such a silly hack, but in lack of hardware for > testing (who has it??), this should suffice as it is obviously correct. I have a drive, but I'm not near a highmem machine atm. I can test it next week if no one else does so. -- ~Randy