From: Ingo Molnar <mingo@elte.hu>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PATCH] debug: add notifier chain debugging
Date: Sat, 16 Aug 2008 00:53:56 +0200 [thread overview]
Message-ID: <20080815225356.GA25538@elte.hu> (raw)
In-Reply-To: <20080815152938.4bc9d48c@infradead.org>
* Arjan van de Ven <arjan@infradead.org> wrote:
> From: Arjan van de Ven <arjan@linux.intel.com>
> Subject: [PATCH] debug: add notifier chain debugging
>
> during some development we suspected a case where we left something in
> a notifier chain that was from a module that was unloaded already...
> and that sort of thing is rather hard to track down.
>
> This patch adds a very simple sanity check (which isn't all that
> expensive) to make sure the notifier we're about to call is actually
> from either the kernel itself of from a still-loaded module, avoiding
> a hard-to-chase-down crash.
applied for testing, thanks Arjan.
Ingo
next prev parent reply other threads:[~2008-08-15 22:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-15 22:29 PATCH] debug: add notifier chain debugging Arjan van de Ven
2008-08-15 22:53 ` Ingo Molnar [this message]
2008-08-20 4:09 ` Andrew Morton
2008-08-20 10:53 ` Ingo Molnar
2008-08-22 14:00 ` Arjan van de Ven
2008-08-22 14:45 ` Christoph Hellwig
2008-08-25 22:39 ` Tony Luck
2008-08-26 4:55 ` Arjan van de Ven
2008-08-26 5:08 ` Tony Luck
2008-08-26 13:46 ` Arjan van de Ven
2008-08-26 16:22 ` Arjan van de Ven
2008-08-27 6:39 ` Ingo Molnar
2008-08-27 10:55 ` Arjan van de Ven
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