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Date: Thu, 8 May 2008 13:27:24 -0700 (PDT)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@elte.hu>
cc: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
       Andi Kleen <andi@firstfloor.org>, Matthew Wilcox <matthew@wil.cx>,
       LKML <linux-kernel@vger.kernel.org>,
       Alexander Viro <viro@ftp.linux.org.uk>,
       Andrew Morton <akpm@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [patch] speed up / fix the new generic semaphore code (fix AIM7
 40% regression with 2.6.26-rc1)
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On Thu, 8 May 2008, Ingo Molnar wrote:
>
> I suspect some more performance could be won in this particular workload 
> by getting rid of the BKL dependency altogether.

Did somebody have any trace on which BKL taker it is? It apparently wasn't 
file locking. Was it the tty layer?

		Linus