linux-kernel - Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance

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Message-ID: <871vfah3db.fsf@basil.nowhere.org>
Date:	Wed, 24 Mar 2010 03:15:12 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Anton Starikov <ant.starikov@...il.com>,
	Greg KH <greg@...ah.com>, stable@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance

Linus Torvalds <torvalds@...ux-foundation.org> writes:

> On Wed, 24 Mar 2010, Ingo Molnar wrote:
>> 
>> We havent had any stability problems with them, except one trivial build bug, 
>> so -stable would be nice.
>
> Oh, you're right. There was that UML build bug. But I think that was 
> included in the list of commits Anton had - commit 4126faf0ab ("x86: Fix 
> breakage of UML from the changes in the rwsem system").

It would be also nice to get that change into 2.6.32 stable. That is
widely used on larger systems.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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