From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 8 May 2002 16:37:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 8 May 2002 16:37:00 -0400 Received: from smtp-out-2.wanadoo.fr ([193.252.19.254]:18639 "EHLO mel-rto2.wanadoo.fr") by vger.kernel.org with ESMTP id ; Wed, 8 May 2002 16:36:58 -0400 From: Benjamin Herrenschmidt To: Andre Hedrick , Alan Cox Cc: Linus Torvalds , Martin Dalecki , Bjorn Wesen , Paul Mackerras , Kernel Mailing List Subject: Re: [PATCH] IDE 58 Date: Wed, 8 May 2002 22:06:15 +0200 Message-Id: <20020508200615.7088@smtp.wanadoo.fr> In-Reply-To: X-Mailer: CTM PowerMail 3.1.2 F MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >Alan, we talked about this and the driver/hardware has a flaw. >If you count the total number of single IO operations to check >status/error et al., it is out right fugly. Preprocessing will kill us >like today. So we can still end up having both - The single ops indirected like I first proposed (with maybe the addition of slow versions but that could be a parameter, and 32 bits versions) - A couple of "apply this taskfile" versions with well known semantics used only in normal cases for perfs. Ben.