linux-kernel - Re: [PATCH 10/20] hpfs: replace BKL with a global mutex

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Message-Id: <201101261350.42789.arnd@arndb.de>
Date:	Wed, 26 Jan 2011 13:50:42 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Andi Kleen <ak@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/20] hpfs: replace BKL with a global mutex

On Wednesday 26 January 2011, Andi Kleen wrote:
> I don't think that's a very good idea, there's danger
> of holding it over IO and that would be really bad (as in like MINIX[1])
> 
> It would be better to do it the i810 way and check for the number of
> CPUs at module init time and refuse to run if it's > 1

I don't see much value of one evil over the other, but why not. The code
is going away anyway unless someone cleans it up further.

	Arnd
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