linux-kernel - Re: [announce] "kill the Big Kernel Lock (BKL)" tree

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Message-ID: <20080514220034.51eae9e0@core>
Date:	Wed, 14 May 2008 22:00:34 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alexander Viro <viro@....linux.org.uk>
Subject: Re: [announce] "kill the Big Kernel Lock (BKL)" tree

> 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.
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