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Date: Tue, 3 Jan 2006 16:05:54 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: lkml <linux-kernel@vger.kernel.org>, Linus Torvalds <torvalds@osdl.org>,
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       Christoph Hellwig <hch@infradead.org>, Andi Kleen <ak@suse.de>,
       Russell King <rmk+lkml@arm.linux.org.uk>
Subject: Re: [patch 08/19] mutex subsystem, core
Message-ID: <20060103150554.GA1211@elte.hu>
References: <20060103100807.GH23289@elte.hu> <43BA78EC.7050603@yahoo.com.au>
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* Nick Piggin <nickpiggin@yahoo.com.au> wrote:

> >+#define spin_lock_mutex(lock)			spin_lock(lock)
> >+#define spin_unlock_mutex(lock)			spin_unlock(lock)
> 
> Is this an interrupt deadlock, or do you not allow interrupt contexts 
> to even trylock a mutex?

correct, no irq contexts are allowed. This is also checked for if 
CONFIG_DEBUG_MUTEXES is enabled.

	Ingo
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