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From: FD Cami <francois.cami@free.fr>
To: linux-kernel@vger.kernel.org
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Al Boldi <a1426z@gawab.com>
Subject: [PATCH] Re: Forcing modes in libata (was: SATA buffered read VERY slow)
Date: Sun, 6 Jan 2008 16:21:00 +0100 [thread overview]
Message-ID: <20080106162100.05096d60@dimension.stilgar.hd.free.fr> (raw)
In-Reply-To: <20080106133609.51203eed@lxorguk.ukuu.org.uk>
[-- Attachment #1: Type: text/plain, Size: 612 bytes --]
On Sun, 6 Jan 2008 13:36:09 +0000
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> On Sun, 6 Jan 2008 08:03:31 +0300
> > > For now you can boot with libata.dma=1 to select DMA on disks but
> > > not CD
> >
> > Great, but why isn't this in the documentation?
>
> Send patches
patch attached.
Description : Add libata.dma= 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: François Cami <francois.cami@free.fr>
[-- Attachment #2: libata-doc-patch.txt --]
[-- Type: text/plain, Size: 675 bytes --]
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.
next prev parent reply other threads:[~2008-01-06 15:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-05 13:41 Al Boldi
2008-01-05 16:30 ` Alan Cox
2008-01-06 5:03 ` Al Boldi
2008-01-06 13:36 ` Alan Cox
2008-01-06 15:21 ` FD Cami [this message]
[not found] ` <200801061727.38206.bzolnier@gmail.com>
2008-01-06 18:08 ` [PATCH] " FD Cami
2008-01-06 19:09 ` Bartlomiej Zolnierkiewicz
2008-01-10 21:56 ` [PATCH] Re: Forcing modes in libata Jeff Garzik
2008-01-11 22:31 ` FD Cami
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