linux-kernel - Re: [PATCH v2 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at kernel/locking/rtmutex.c:997!

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Message-ID: <alpine.DEB.2.11.1504071255410.3845@nanos>
Date:	Tue, 7 Apr 2015 13:23:25 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Thavatchai Makphaibulchoke <tmac@...com>
cc:	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>, mingo@...hat.com,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	umgwanakikbuti@...il.com, Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v2 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at
 kernel/locking/rtmutex.c:997!

On Mon, 6 Apr 2015, Thavatchai Makphaibulchoke wrote:

> This patch fixes the problem that the ownership of a mutex acquired
> by an interrupt handler(IH) gets incorrectly attributed to the
> interrupted thread.

An hard interrupt handler is not allowed to take a mutex. End of
story, nothing to fix here.

Thanks,

	tglx
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