From: Andrew Morton <akpm@linux-foundation.org>
To: Anton Starikov <ant.starikov@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-mm@kvack.org, 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 11:21:41 -0700 [thread overview]
Message-ID: <20100323112141.7f248f2b.akpm@linux-foundation.org> (raw)
In-Reply-To: <15090451-C292-44D6-B2BA-DCBCBEEF429D@gmail.com>
On Tue, 23 Mar 2010 19:03:36 +0100
Anton Starikov <ant.starikov@gmail.com> wrote:
>
> On Mar 23, 2010, at 7:00 PM, Ingo Molnar wrote:
> >> NOTE! None of those are in 2.6.33 - they were merged afterwards. But they
> >> are in 2.6.34-rc1 (and obviously current -git). So Anton would have to
> >> compile his own kernel to test his load.
> >
> > another option is to run the rawhide kernel via something like:
> >
> > yum update --enablerepo=development kernel
> >
> > this will give kernel-2.6.34-0.13.rc1.git1.fc14.x86_64, which has those
> > changes included.
>
> I will apply this commits to 2.6.32, I afraid current OFED (which I need also) will not work on 2.6.33+.
>
You should be able to simply set CONFIG_RWSEM_GENERIC_SPINLOCK=n,
CONFIG_RWSEM_XCHGADD_ALGORITHM=y by hand, as I mentioned earlier?
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: Anton Starikov <ant.starikov@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-mm@kvack.org, 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 11:21:41 -0700 [thread overview]
Message-ID: <20100323112141.7f248f2b.akpm@linux-foundation.org> (raw)
In-Reply-To: <15090451-C292-44D6-B2BA-DCBCBEEF429D@gmail.com>
On Tue, 23 Mar 2010 19:03:36 +0100
Anton Starikov <ant.starikov@gmail.com> wrote:
>
> On Mar 23, 2010, at 7:00 PM, Ingo Molnar wrote:
> >> NOTE! None of those are in 2.6.33 - they were merged afterwards. But they
> >> are in 2.6.34-rc1 (and obviously current -git). So Anton would have to
> >> compile his own kernel to test his load.
> >
> > another option is to run the rawhide kernel via something like:
> >
> > yum update --enablerepo=development kernel
> >
> > this will give kernel-2.6.34-0.13.rc1.git1.fc14.x86_64, which has those
> > changes included.
>
> I will apply this commits to 2.6.32, I afraid current OFED (which I need also) will not work on 2.6.33+.
>
You should be able to simply set CONFIG_RWSEM_GENERIC_SPINLOCK=n,
CONFIG_RWSEM_XCHGADD_ALGORITHM=y by hand, as I mentioned earlier?
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next prev parent reply other threads:[~2010-03-23 18:23 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 [this message]
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
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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