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From: Patrick McHardy <kaber@trash.net>
To: Jan Beulich <JBeulich@novell.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] rmmod notifier chain
Date: Thu, 08 Sep 2005 17:11:02 +0200	[thread overview]
Message-ID: <43205486.6090901@trash.net> (raw)
In-Reply-To: <43206EFE0200007800024451@emea1-mh.id2.novell.com>

Jan Beulich wrote:
> Debugging and maintenance support code occasionally needs to know not
> only of module insertions, but also modulke removals. This adds a
> notifier
> chain for this purpose.
> 
>
> diff -Npru 2.6.13/kernel/module.c
> 2.6.13-rmmod-notifier/kernel/module.c
> --- 2.6.13/kernel/module.c	2005-08-29 01:41:01.000000000 +0200
> +++ 2.6.13-rmmod-notifier/kernel/module.c	2005-09-02
> 09:46:24.000000000 +0200
> @@ -62,6 +62,8 @@ static LIST_HEAD(modules);
>  
>  static DECLARE_MUTEX(notify_mutex);
>  static struct notifier_block * module_notify_list;
> +static DECLARE_MUTEX(rmmod_notify_mutex);

Why is this mutex needed? The notifier functions already take care of
locking.

  reply	other threads:[~2005-09-08 15:11 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-08 15:03 Jan Beulich
2005-09-08 15:11 ` Patrick McHardy [this message]
2005-09-08 15:16   ` Jan Beulich
2005-09-08 15:16 ` Christoph Hellwig
2005-09-08 15:20   ` viro
2005-09-08 15:22   ` Jan Beulich
2005-09-09  1:46     ` Andrew Morton
2005-09-09 12:44       ` Jan Beulich
2005-09-09 13:44         ` Jesper Juhl
2005-09-09 15:37         ` Paul Jackson
2005-09-09 18:27         ` Andrew Morton
2005-09-12  6:49           ` Jan Beulich
2005-09-12  7:10             ` Andrew Morton
2005-09-08 15:33 ` Tom Rini
2005-09-08 15:48   ` Jan Beulich
2005-09-09  9:42   ` [PATCH] rmmod notifier chain (attempt 2) Jan Beulich

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