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: <20150407125416.GO21418@twins.programming.kicks-ass.net>
Date:	Tue, 7 Apr 2015 14:54:16 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Mike Galbraith <umgwanakikbuti@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Thavatchai Makphaibulchoke <tmac@...com>,
	LKML <linux-kernel@...r.kernel.org>, mingo@...hat.com,
	linux-rt-users <linux-rt-users@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at
 kernel/locking/rtmutex.c:997!

On Tue, Apr 07, 2015 at 08:41:54AM -0400, Steven Rostedt wrote:
> Ideally, we don't want to take mutexes in hard interrupt context.

Nothing ideal about it. Hard requirement, anything else is plain
insanity.
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