linux-kernel - Re: [Bug #11875] radeonfb lockup in .28-rc (bisected)

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Message-Id: <20081113.151116.139760511.davem@davemloft.net>
Date:	Thu, 13 Nov 2008 15:11:16 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	benh@...nel.crashing.org
Cc:	rjw@...k.pl, linux-kernel@...r.kernel.org,
	kernel-testers@...r.kernel.org, akpm@...ux-foundation.org,
	cloos@...loos.com, paul@...ly.ondioline.org,
	torvalds@...ux-foundation.org
Subject: Re: [Bug #11875] radeonfb lockup in .28-rc (bisected)

From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Date: Mon, 10 Nov 2008 16:46:25 +1100

> David, would you mind testing on your machine ? It's the one that shows
> the biggest performance improvement, and I would like to know how much
> it is affected by that patch. As long as the "worst case" performance
> is still reasonable, I'm ok to take the hit if the improvement for you
> is still significant.

Finally got around to this, we lose about a full second in the
"cat rfc3261.txt" benchmark:

2.6.28-rc4 vanilla:

7.634
7.704
7.688

2.6.28rc4+patch:

8.712
8.685
8.702
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