From: Andi Kleen <andi@firstfloor.org>
To: "Michael S. Zick" <lkml@morethan.org>
Cc: Andi Kleen <andi@firstfloor.org>,
Harald Welte <HaraldWelte@viatech.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: LOCK prefix on uni processor has its use
Date: Wed, 27 May 2009 20:38:25 +0200 [thread overview]
Message-ID: <20090527183825.GV1065@one.firstfloor.org> (raw)
In-Reply-To: <200905271322.41768.lkml@morethan.org>
> I still have not come up with a solid, testable, theory to explain the
> order of magnitude in up-time before the kernel locks with/with-out 'lock'.
What I would do is to try to track down in which file it happens.
Compile individual subdirectories of the kernel with LOCK prefix,
then down to files.
Also always double check the results.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-05-27 18:31 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-22 16:39 [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic Michael S. Zick
2009-05-22 18:23 ` Andi Kleen
2009-05-22 18:36 ` Ingo Molnar
2009-05-22 18:59 ` H. Peter Anvin
2009-05-22 19:20 ` Michael S. Zick
2009-05-22 22:21 ` Michael S. Zick
2009-05-22 23:30 ` H. Peter Anvin
2009-05-23 0:45 ` Michael S. Zick
2009-05-23 0:51 ` H. Peter Anvin
2009-05-23 10:44 ` Michael S. Zick
2009-05-23 11:18 ` Michael S. Zick
2009-05-24 7:04 ` Harald Welte
2009-05-24 12:48 ` Michael S. Zick
2009-05-24 15:43 ` Michael S. Zick
2009-05-27 22:13 ` Roland Dreier
2009-05-27 22:33 ` Michael S. Zick
2009-05-23 15:52 ` Michael S. Zick
2009-05-23 18:04 ` Michael S. Zick
2009-05-23 23:44 ` H. Peter Anvin
2009-05-24 6:49 ` Harald Welte
2009-05-24 12:38 ` Michael S. Zick
2009-05-24 17:31 ` Harald Welte
2009-05-27 12:18 ` Re:[VIA Support] was: " Michael S. Zick
2009-05-27 12:22 ` [VIA " Michael S. Zick
2009-05-27 12:47 ` Harald Welte
2009-05-27 13:00 ` Michael S. Zick
2009-05-29 12:06 ` Michael S. Zick
2009-05-30 15:48 ` Michael S. Zick
2009-05-24 12:27 ` Michael S. Zick
2009-05-24 17:22 ` Harald Welte
2009-05-24 18:00 ` H. Peter Anvin
2009-05-24 18:32 ` Michael S. Zick
2009-05-24 18:46 ` H. Peter Anvin
2009-05-24 19:09 ` Michael S. Zick
2009-05-25 19:03 ` Michael S. Zick
2009-05-25 19:18 ` Michael S. Zick
2009-05-25 19:46 ` Michael S. Zick
2009-05-25 21:10 ` Michael S. Zick
2009-05-25 21:17 ` H. Peter Anvin
2009-05-25 23:03 ` Michael S. Zick
2009-05-25 23:35 ` Michael S. Zick
2009-05-26 0:05 ` H. Peter Anvin
2009-05-26 12:37 ` Michael S. Zick
2009-05-26 17:13 ` H. Peter Anvin
2009-05-25 1:31 ` i2c-viapro / via-fb drivers on VIA CX700 Harald Welte
2009-05-25 12:54 ` Michael S. Zick
2009-05-27 13:36 ` Michael S. Zick
2009-05-25 16:05 ` [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic Michael S. Zick
2009-05-28 20:30 ` Pavel Machek
2009-05-28 20:54 ` Michael S. Zick
2009-05-28 23:15 ` [Futex RFC] was " Michael S. Zick
2009-05-29 2:00 ` Michael S. Zick
2009-05-27 17:01 ` LOCK prefix on uni processor has its use (was Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic) Harald Welte
2009-05-27 17:10 ` Michael S. Zick
2009-05-27 17:19 ` Thomas Gleixner
2009-05-27 17:25 ` Michael S. Zick
2009-05-27 18:08 ` LOCK prefix on uni processor has its use Andi Kleen
2009-05-27 18:22 ` Michael S. Zick
2009-05-27 18:33 ` Michael S. Zick
2009-05-27 18:55 ` Michael S. Zick
2009-05-27 18:38 ` Andi Kleen [this message]
2009-06-02 12:48 ` Harald Welte
2009-06-02 13:03 ` Andi Kleen
2009-06-02 13:26 ` Michael S. Zick
2009-06-02 13:42 ` Andi Kleen
2009-06-03 11:46 ` Michael S. Zick
2009-05-28 2:56 ` LOCK prefix on uni processor has its use (was Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic) H. Peter Anvin
2009-05-23 20:51 ` [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic Michael S. Zick
2009-05-28 12:48 ` Pavel Machek
2009-05-28 13:29 ` Michael S. Zick
2009-05-28 20:50 ` Pavel Machek
2009-05-28 20:58 ` Michael S. Zick
2009-05-28 21:16 ` Pavel Machek
2009-05-28 21:21 ` Michael S. Zick
2009-05-22 19:17 ` Michael S. Zick
[not found] ` <200905221343.30638.lkml@morethan.org>
[not found] ` <20090522192329.GF846@one.firstfloor.org>
2009-05-22 19:53 ` Michael S. Zick
2009-05-22 20:05 ` Samuel Thibault
2009-05-22 20:32 ` Michael S. Zick
2009-05-22 20:42 ` Andi Kleen
2009-05-22 20:57 ` Michael S. Zick
2009-05-22 20:43 ` Samuel Thibault
2009-05-22 21:59 ` Andi Kleen
2009-05-22 22:00 ` Samuel Thibault
2009-05-22 22:14 ` Andi Kleen
2009-05-22 22:14 ` Samuel Thibault
2009-05-22 20:45 ` Roland Dreier
2009-05-24 18:59 ` Robert Hancock
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