linux-kernel - Re: [PATCH] CAPI: Silence lockdep warning on get_capi_appl_by

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Message-ID: <1287311135.1998.154.camel@laptop>
Date:	Sun, 17 Oct 2010 12:25:35 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jan Kiszka <jan.kiszka@....de>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	i4ldeveloper@...tserv.isdn4linux.de,
	Linux Netdev List <netdev@...r.kernel.org>,
	Karsten Keil <isdn@...ux-pingi.de>
Subject: Re: [PATCH] CAPI: Silence lockdep warning on get_capi_appl_by_nr
 usage

On Sat, 2010-10-16 at 13:14 +0200, Jan Kiszka wrote:
> +       WARN_ON_ONCE(!mutex_is_locked(&capi_controller_lock));

Note there is also lockdep_assert_held() which will actually validate
that the current task is the owner.


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