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Date: Wed, 7 May 2008 14:59:49 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andi Kleen <andi@firstfloor.org>
Cc: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
       Ingo Molnar <mingo@elte.hu>, Matthew Wilcox <matthew@wil.cx>,
       LKML <linux-kernel@vger.kernel.org>,
       Alexander Viro <viro@ftp.linux.org.uk>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: AIM7 40% regression with 2.6.26-rc1
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On Wed, 07 May 2008 13:00:14 +0200
Andi Kleen <andi@firstfloor.org> wrote:

> "Zhang, Yanmin" <yanmin_zhang@linux.intel.com> writes:
> > 3) Caller of lcok_kernel are sys_fcntl/vfs_ioctl/tty_release/chrdev_open.
> 
> I have an older patchkit that introduced unlocked_fnctl for some cases. It was 
> briefly in mm but then dropped. Sounds like it is worth resurrecting?
> 
> tty_* is being taken care of by Alan.

The tty open/close paths are probably a few months away from dropping the
BKL.

Alan