From: Linus Torvalds <torvalds@linux-foundation.org>
To: Anton Starikov <ant.starikov@gmail.com>, Greg KH <greg@kroah.com>,
stable@kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
bugzilla-daemon@bugzilla.kernel.org,
bugme-daemon@bugzilla.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance
Date: Tue, 23 Mar 2010 16:04:35 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.2.00.1003231602130.18017@i5.linux-foundation.org> (raw)
In-Reply-To: <9FC34DA1-D6DD-41E5-8B76-0712A813C549@gmail.com>
On Tue, 23 Mar 2010, Anton Starikov wrote:
>
> I think we got a winner!
>
> Problem seems to be fixed.
>
> Just for record, I used next patches:
>
> 59c33fa7791e9948ba467c2b83e307a0d087ab49
> 5d0b7235d83eefdafda300656e97d368afcafc9a
> 1838ef1d782f7527e6defe87e180598622d2d071
> 4126faf0ab7417fbc6eb99fb0fd407e01e9e9dfe
> bafaecd11df15ad5b1e598adc7736afcd38ee13d
> 0d1622d7f526311d87d7da2ee7dd14b73e45d3fc
Ok. If you have performance numbers for before/after these patches for
your actual workload, I'd suggest posting them to stable@kernel.org, and
maybe those rwsem fixes will get back-ported.
The patches are pretty small, and should be fairly safe. So they are
certainly stable material.
Linus
WARNING: multiple messages have this Message-ID (diff)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Anton Starikov <ant.starikov@gmail.com>, Greg KH <greg@kroah.com>,
stable@kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
bugzilla-daemon@bugzilla.kernel.org,
bugme-daemon@bugzilla.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance
Date: Tue, 23 Mar 2010 16:04:35 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.2.00.1003231602130.18017@i5.linux-foundation.org> (raw)
In-Reply-To: <9FC34DA1-D6DD-41E5-8B76-0712A813C549@gmail.com>
On Tue, 23 Mar 2010, Anton Starikov wrote:
>
> I think we got a winner!
>
> Problem seems to be fixed.
>
> Just for record, I used next patches:
>
> 59c33fa7791e9948ba467c2b83e307a0d087ab49
> 5d0b7235d83eefdafda300656e97d368afcafc9a
> 1838ef1d782f7527e6defe87e180598622d2d071
> 4126faf0ab7417fbc6eb99fb0fd407e01e9e9dfe
> bafaecd11df15ad5b1e598adc7736afcd38ee13d
> 0d1622d7f526311d87d7da2ee7dd14b73e45d3fc
Ok. If you have performance numbers for before/after these patches for
your actual workload, I'd suggest posting them to stable@kernel.org, and
maybe those rwsem fixes will get back-ported.
The patches are pretty small, and should be fairly safe. So they are
certainly stable material.
Linus
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next prev parent reply other threads:[~2010-03-23 23:10 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-15618-10286@https.bugzilla.kernel.org/>
2010-03-23 14:22 ` [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance Andrew Morton
2010-03-23 14:22 ` Andrew Morton
2010-03-23 17:34 ` Ingo Molnar
2010-03-23 17:34 ` Ingo Molnar
2010-03-23 17:45 ` Linus Torvalds
2010-03-23 17:45 ` Linus Torvalds
2010-03-23 17:57 ` Anton Starikov
2010-03-23 17:57 ` Anton Starikov
2010-03-23 18:00 ` Ingo Molnar
2010-03-23 18:00 ` Ingo Molnar
2010-03-23 18:03 ` Anton Starikov
2010-03-23 18:03 ` Anton Starikov
2010-03-23 18:21 ` Andrew Morton
2010-03-23 18:21 ` Andrew Morton
2010-03-23 18:25 ` Anton Starikov
2010-03-23 18:25 ` Anton Starikov
2010-03-23 19:22 ` Robin Holt
2010-03-23 19:22 ` Robin Holt
2010-03-23 19:30 ` Anton Starikov
2010-03-23 19:30 ` Anton Starikov
2010-03-23 19:49 ` Robin Holt
2010-03-23 19:49 ` Robin Holt
2010-03-23 19:57 ` Robin Holt
2010-03-23 19:57 ` Robin Holt
2010-03-23 19:50 ` Anton Starikov
2010-03-23 19:50 ` Anton Starikov
2010-03-23 19:52 ` Linus Torvalds
2010-03-23 19:52 ` Linus Torvalds
2010-03-24 16:40 ` Roland Dreier
2010-03-24 16:40 ` Roland Dreier
2010-03-26 3:24 ` Anton Starikov
2010-03-26 3:24 ` Anton Starikov
2010-03-23 19:14 ` Anton Starikov
2010-03-23 19:14 ` Anton Starikov
2010-03-23 19:17 ` Peter Zijlstra
2010-03-23 19:17 ` Peter Zijlstra
2010-03-23 19:42 ` Anton Starikov
2010-03-23 19:54 ` Linus Torvalds
2010-03-23 19:54 ` Linus Torvalds
2010-03-23 20:43 ` Anton Starikov
2010-03-23 20:43 ` Anton Starikov
2010-03-23 23:04 ` Linus Torvalds [this message]
2010-03-23 23:04 ` Linus Torvalds
2010-03-23 23:19 ` Anton Starikov
2010-03-23 23:19 ` Anton Starikov
2010-03-23 23:36 ` Ingo Molnar
2010-03-23 23:36 ` Ingo Molnar
2010-03-23 23:55 ` Linus Torvalds
2010-03-23 23:55 ` Linus Torvalds
2010-03-24 0:03 ` Anton Starikov
2010-03-24 0:03 ` Anton Starikov
2010-03-24 2:15 ` Andi Kleen
2010-03-24 2:15 ` Andi Kleen
2010-03-24 3:00 ` Linus Torvalds
2010-03-24 3:00 ` Linus Torvalds
2010-04-19 18:19 ` Greg KH
2010-04-19 18:19 ` Greg KH
2010-03-23 18:13 ` Andrew Morton
2010-03-23 18:13 ` Andrew Morton
2010-03-23 18:19 ` Anton Starikov
2010-03-23 18:19 ` Anton Starikov
2010-03-23 18:27 ` Ingo Molnar
2010-03-23 18:27 ` Ingo Molnar
2010-03-23 21:19 ` Anton Starikov
2010-03-23 21:19 ` Anton Starikov
2010-04-02 18:57 ` Lee Schermerhorn
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