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Date: Wed, 14 May 2008 22:00:34 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Thomas Gleixner <tglx@linutronix.de>,
       Alexander Viro <viro@ftp.linux.org.uk>
Subject: Re: [announce] "kill the Big Kernel Lock (BKL)" tree
Message-ID: <20080514220034.51eae9e0@core>
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> Most of the legacy users are unlikely to be latency problems,
> simply because only very few people (or nobody) still has that hardware
> and the code will never run.
> 
> Also I wouldn't lose sleep over e.g. let ISDN continue using BKL forever.

Most of the legacy users inflict that locking on other code - eg the ISN
use of the BKL directly impacts on the tty layer work.