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Subject: Re: 2.4.19-rc3-ac3 ide_map_buffer/ide_unmap_buffer
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Charles R. Anderson" <cra@WPI.EDU>
Cc: linux-kernel@vger.kernel.org
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Date: 26 Jul 2002 11:41:35 +0100
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On Fri, 2002-07-26 at 00:38, Charles R. Anderson wrote:
> 
> Which one should I apply? I'm inclined to keep the Red Hat bits, since
> the ac3 ide_unmap_buffer does nothing.
> 
> [For anyone wondering, I have a new Dell with an Intel 845G chipset for
> which I would like DMA support, etc.  I'm attempting to merge
> 2.4.19-rc3-ac3 with Red Hat's patches.  If anyone has a simple patch for
> 82801DB IDE DMA support which applies to 2.4.18 I'd be much obliged.]

Thats a non trivial merge. I don't think there is anything in the base
RH that matters except for big (1Gb plus) servers that isnt in -ac. You
can also pick up the rawhide kernel if you are brave 

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