linux-kernel - Re: Do not deprecate binary semaphore or do allow mutex in software interrupt contexts

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Message-ID: <20070911202214.5c3c28d2@laptopd505.fenrus.org>
Date:	Tue, 11 Sep 2007 20:22:14 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Matti Linnanvuori <mattilinnanvuori@...oo.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: Do not deprecate binary semaphore or do allow mutex in software
 interrupt contexts

On Tue, 11 Sep 2007 10:29:19 -0700 (PDT)
Matti Linnanvuori <mattilinnanvuori@...oo.com> wrote:

> > Not being too familiar with the timer stuff, it smells wrong what
> > you say.
> 
> Why?

timers and sleeping locks really shouldn't be mixed.
It ends up in general as more complex, fragile and weird...

But feel free to prove us otherwise with real code...
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