From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 19 Jan 2001 01:58:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 19 Jan 2001 01:57:52 -0500 Received: from host156.207-175-42.redhat.com ([207.175.42.156]:22285 "EHLO devserv.devel.redhat.com") by vger.kernel.org with ESMTP id ; Fri, 19 Jan 2001 01:57:49 -0500 From: Alan Cox Message-Id: <200101190657.f0J6vWe32701@devserv.devel.redhat.com> Subject: Re: Is sendfile all that sexy? To: torvalds@transmeta.com (Linus Torvalds) Date: Fri, 19 Jan 2001 01:57:32 -0500 (EST) Cc: zippel@fh-brandenburg.de (Roman Zippel), adilger@turbolinux.com (Andreas Dilger), R.E.Wolff@bitwizard.nl (Rogier Wolff), linux-kernel@vger.kernel.org In-Reply-To: from "Linus Torvalds" at Jan 18, 2001 05:14:01 PM X-Mailer: ELM [version 2.5 PL3] 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 > Which in turn implies that the non-disk target hardware has to be able to > have a PCI-mapped memory buffer for the source or the destination, AND > they have to be able to cope with the fact that the data you get off the > disk will have to be the raw data at 512-byte granularity. And that the chipset gets it right. Which is a big assumption as tv card driver folks can tell you The pcipci stuff in quirks is only a beginning alas - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/