Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262796AbTIWASw (ORCPT ); Mon, 22 Sep 2003 20:18:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262802AbTIWASI (ORCPT ); Mon, 22 Sep 2003 20:18:08 -0400 Received: from pc1-cwma1-5-cust4.swan.cable.ntl.com ([80.5.120.4]:2759 "EHLO dhcp23.swansea.linux.org.uk") by vger.kernel.org with ESMTP id S262807AbTIWAR6 (ORCPT ); Mon, 22 Sep 2003 20:17:58 -0400 Subject: Re: Can we kill f inb_p, outb_p and other random I/O on port 0x80, in 2.6? From: Alan Cox To: Jamie Lokier Cc: John Bradford , arjanv@redhat.com, ebiederm@xmission.com, Linux Kernel Mailing List In-Reply-To: <20030922213732.GC29869@mail.jlokier.co.uk> References: <200309222003.h8MK38kC000353@81-2-122-30.bradfords.org.uk> <20030922213732.GC29869@mail.jlokier.co.uk> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1064276178.9807.8.camel@dhcp23.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.4 (1.4.4-7) Date: Tue, 23 Sep 2003 01:16:19 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 552 Lines: 13 On Llu, 2003-09-22 at 22:37, Jamie Lokier wrote: > At the moment, outb_p followed by inb will be seen by the ISA device > as "write, write, read," giving the ISA device time to propagate state > changes between the end of the first write and the beginning of the > read. This isnt MMIO so won't be posted. - 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/