From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Joao Correia <joaomiguelcorreia@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Américo Wang" <xiyou.wangcong@gmail.com>
Subject: Re: [PATCH 1/3] Increase lockdep limits: MAX_STACK_TRACE_ENTRIES
Date: Wed, 08 Jul 2009 21:56:29 +0200 [thread overview]
Message-ID: <1247082989.16156.19.camel@laptop> (raw)
In-Reply-To: <a5d9929e0907081248q51e1fcfekff4c1b814e512184@mail.gmail.com>
On Wed, 2009-07-08 at 20:48 +0100, Joao Correia wrote:
>
>
> Im in no way pretending to understand all the details on this system,
> but i do know there has been, as of late, an effort to make the init
> process do more things at once, ie, load more modules in parallel to
> speed up the process. Can't that be at least partially responsible for
> this? Even if its just making some other problem more obvious?
Nah, lockdep serializes all that under a single lock ;-)
module unloading in particular wastes resources from a lockdep pov, so
as long as that doesn't happen, we're good.
next prev parent reply other threads:[~2009-07-08 19:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-07 15:25 [PATCH 1/3] Increase lockdep limits: MAX_STACK_TRACE_ENTRIES Joao Correia
2009-07-07 15:33 ` Peter Zijlstra
[not found] ` <a5d9929e0907070838q7ed3306du3bb7880e47d7207b@mail.gmail.com>
2009-07-07 15:38 ` Fwd: " Joao Correia
[not found] ` <1246981444.9777.11.camel@twins>
2009-07-07 15:50 ` Joao Correia
2009-07-07 15:55 ` Peter Zijlstra
2009-07-07 15:59 ` Joao Correia
2009-07-08 17:22 ` Dave Jones
2009-07-08 18:36 ` Peter Zijlstra
2009-07-08 18:44 ` Dave Jones
2009-07-08 19:48 ` Joao Correia
2009-07-08 19:56 ` Peter Zijlstra [this message]
2009-07-09 4:39 ` Dave Jones
2009-07-09 8:02 ` Peter Zijlstra
2009-07-09 16:10 ` Dave Jones
2009-07-09 17:07 ` Peter Zijlstra
2009-07-10 15:50 ` Joao Correia
2009-07-09 9:06 ` Catalin Marinas
2009-07-09 9:09 ` Peter Zijlstra
2009-07-20 13:31 ` [PATCH] lockdep: fixup stacktrace wastage Peter Zijlstra
2009-08-02 13:14 ` [tip:core/locking] lockdep: Fix backtraces tip-bot for Peter Zijlstra
2009-08-02 13:51 ` tip-bot for Peter Zijlstra
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