Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757999AbYAFPVW (ORCPT ); Sun, 6 Jan 2008 10:21:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759159AbYAFPVH (ORCPT ); Sun, 6 Jan 2008 10:21:07 -0500 Received: from smtp5-g19.free.fr ([212.27.42.35]:50642 "EHLO smtp5-g19.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759118AbYAFPVF (ORCPT ); Sun, 6 Jan 2008 10:21:05 -0500 Date: Sun, 6 Jan 2008 16:21:00 +0100 From: FD Cami To: linux-kernel@vger.kernel.org Cc: Alan Cox , Al Boldi Subject: [PATCH] Re: Forcing modes in libata (was: SATA buffered read VERY slow) Message-ID: <20080106162100.05096d60@dimension.stilgar.hd.free.fr> In-Reply-To: <20080106133609.51203eed@lxorguk.ukuu.org.uk> References: <200801051641.03927.a1426z@gawab.com> <20080105163016.608b1e7f@lxorguk.ukuu.org.uk> <200801060803.31939.a1426z@gawab.com> <20080106133609.51203eed@lxorguk.ukuu.org.uk> X-Mailer: Claws Mail 3.0.2 (GTK+ 2.12.1; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="MP_/4bRucLNHguQ/leqAk6FsH4R" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1881 Lines: 54 --MP_/4bRucLNHguQ/leqAk6FsH4R Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Sun, 6 Jan 2008 13:36:09 +0000 Alan Cox wrote: > On Sun, 6 Jan 2008 08:03:31 +0300 > > > For now you can boot with libata.dma=3D1 to select DMA on disks but > > > not CD > >=20 > > Great, but why isn't this in the documentation? >=20 > Send patches patch attached. Description : Add libata.dma=3D to Documentation/kernel-parameters.txt Found documentation in : http://www.mail-archive.com/linux-ide%40vger.kernel.org/msg09849.html http://www.redhat.com/archives/fedora-extras-commits/2007-October/msg04568.= html Signed-off-by: Fran=C3=A7ois Cami --MP_/4bRucLNHguQ/leqAk6FsH4R Content-Type: text/plain; name=libata-doc-patch.txt Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=libata-doc-patch.txt diff -rU2 linux-2.6.24-rc6/Documentation/kernel-parameters.txt linux-2.6.24-rc6-mine/Documentation/kernel-parameters.txt --- linux-2.6.24-rc6/Documentation/kernel-parameters.txt 2008-01-06 15:58:54.000000000 +0100 +++ linux-2.6.24-rc6-mine/Documentation/kernel-parameters.txt 2008-01-06 16:11:20.000000000 +0100 @@ -883,4 +883,11 @@ C2 power state. + libata.dma= [LIBATA] DMA control + libata.dma=0 Disable all PATA DMA like old IDE + libata.dma=1 Disk DMA only + libata.dma=2 ATAPI DMA only + libata.dma=3 CF DMA only + libata.dma=0,1,3 Combinations also work. + libata.noacpi [LIBATA] Disables use of ACPI in libata suspend/resume when set. --MP_/4bRucLNHguQ/leqAk6FsH4R-- -- 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/