linux-kernel - Re: [Regression] Filesystem I/O is CPU-bound in rc7 and rc8

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Message-ID: <21d7e9971002191403tdc16bf9h5ebf6b48fec95d6a@mail.gmail.com>
Date:	Sat, 20 Feb 2010 08:03:57 +1000
From:	Dave Airlie <airlied@...il.com>
To:	James Cloos <cloos@...loos.com>
Cc:	linux-kernel@...r.kernel.org, Chris Mason <chris.mason@...cle.com>,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-btrfs@...r.kernel.org, jfs-discussion@...ts.sourceforge.net
Subject: Re: [Regression] Filesystem I/O is CPU-bound in rc7 and rc8

>
> OK.  I do use radeon kms (r100).

I've just sent a pull req to Linus
http://bugzilla.kernel.org/show_bug.cgi?id=15328
this

http://bugzilla.kernel.org/attachment.cgi?id=25107
patch.

The relevant piece of dmesg is at the top ;-), where
it states if you have PAT support or not, but I
suspect if you try this patch it'll fix it.

Dave.
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