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From: Rob Landley <rob@landley.net>
Subject: Re: [Qemu-devel] qemu-system-ppc -m g3beige -hda is setting /dev/hdc
	on Linux.
Date: Sat, 13 Feb 2010 12:29:33 -0600
References: <201002130202.01901.rob@landley.net>
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	<3C58893A-479B-421E-9C9D-7F2EF98016D0@suse.de>
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To: Alexander Graf <agraf@suse.de>
Cc: qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>

On Saturday 13 February 2010 06:04:03 Alexander Graf wrote:
> > Exactly, that's the issue to fix here, make DBDMA work with CD-ROM so we
> > can get rid of the cmd64x controller.
>
> Speaking of which - in my PPC64 enabling series I use MacIO for all 4 IDE
> devices. At least with recent kernels, Linux just detects DMA being broken
> on the CD-ROM and doesn't use it.

Could you point me at a copy of that patch?  That sounds like it would be a 
decent solution for me, I'm happy to test it if it helps push it upstream.

> Alex

Rob
-- 
Latency is more important than throughput. It's that simple. - Linus Torvalds