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 15:18:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 19 Jan 2001 15:18:27 -0500 Received: from minus.inr.ac.ru ([193.233.7.97]:10001 "HELO ms2.inr.ac.ru") by vger.kernel.org with SMTP id ; Fri, 19 Jan 2001 15:18:15 -0500 From: kuznet@ms2.inr.ac.ru Message-Id: <200101192018.XAA25263@ms2.inr.ac.ru> Subject: Re: Is sendfile all that sexy? To: zippel@fh-brandenburg.DE (Roman Zippel) Date: Fri, 19 Jan 2001 23:18:00 +0300 (MSK) Cc: linux-kernel@vger.kernel.org In-Reply-To: from "Roman Zippel" at Jan 19, 1 01:45:01 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello! > It's about direct i/o from/to pages, Yes. Formally, there are no problems to send to tcp directly from io space. But could someone explain me one thing. Does bus-mastering from io really work? And if it does, is it enough fast? At least, looking at my book on pci, I do not understand how such transfers are able to use bursts. MRM is banned for them... Alexey - 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/