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From: pmenage@ensim.com (pmenage@ensim.com)
Subject: Re: BKL removal
To: Oliver Neukum <oliver@neukum.name>
Cc: linux-kernel@vger.kernel.org
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Date: Mon, 08 Jul 2002 12:00:37 -0700
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In article <0C01A29FBAE24448A792F5C68F5EA47D2B0C8A@nasdaq.ms.ensim.com>,
you write:
>The BKL, unless used unbalanced, can never cause a bug.
>It could be insufficient or superfluous, but never be really buggy in
>itself.

Unless you're including incorrect nesting in your definition of
"unbalanced", that's not really true. E.g. lock_kernel() anywhere that
dcache_lock is held can deadlock against anywhere that does a path
lookup with the BKL held (such as do_coredump()).

Paul

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