Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269441AbUINPrA (ORCPT ); Tue, 14 Sep 2004 11:47:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269438AbUINPny (ORCPT ); Tue, 14 Sep 2004 11:43:54 -0400 Received: from cpu1185.adsl.bellglobal.com ([207.236.110.166]:19352 "EHLO mail.rtr.ca") by vger.kernel.org with ESMTP id S269416AbUINPlA (ORCPT ); Tue, 14 Sep 2004 11:41:00 -0400 Message-ID: <414710AA.80706@rtr.ca> Date: Tue, 14 Sep 2004 11:39:22 -0400 From: Mark Lord User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040803 X-Accept-Language: en, en-us MIME-Version: 1.0 To: Mark Lord Cc: Jens Axboe , Jeff Garzik , Alan Cox , "C.Y.M." , Linux Kernel Mailing List Subject: Re: Changes to ide-probe.c in 2.6.9-rc2 causing improper detection References: <20040914060628.GC2336@suse.de> <1095156346.16572.2.camel@localhost.localdomain> <41470BBD.7060700@pobox.com> <20040914152509.GA27892@suse.de> <41470F3A.1060308@rtr.ca> In-Reply-To: <41470F3A.1060308@rtr.ca> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 738 Lines: 21 Mark Lord wrote: >> Alan says it's unsafe for some of his flash cards, and I do believe they >> say they have write caching enabled. > > Flash cards should be detectable --> many of them will claim > to implement the CFA feature set. One obvious safeguard would be to never use FLUSH_CACHE on any drive that lacks UDMA, unless the drive claims to support FLUSH_CACHE. That will eliminate all current FLASH memory devices. Cheers -- Mark Lord (hdparm keeper & the original "Linux IDE Guy") - 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/