linux-kernel - Re: [GIT PATCH] TTY patches for 2.6.33-git

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Date:	Sun, 13 Dec 2009 09:46:26 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Thomas Gleixner <tglx@...utronix.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg KH <gregkh@...e.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT PATCH] TTY patches for 2.6.33-git



On Sun, 13 Dec 2009, Ingo Molnar wrote:
> 
> In the last ~4.5 years:
> 
>  earth4:~/tip> git checkout v2.6.12
>  Date:   Fri Jun 17 12:48:29 2005 -0700
>  earth4:~/tip> git grep -w unlock_kernel | wc -l
>  713
> 
>  earth4:~/tip> git checkout linus
>  Date:   Fri Dec 11 20:58:20 2009 -0800
>  earth4:~/tip> git grep -w unlock_kernel | wc -l
>  841

Git hint of the day: you don't need to check out a kernel to do "git 
grep".

Do this:

	git grep -w unlock_kernel v2.6.12 | wc

and it will JustWork(tm).

> Also, a lot of BKL use was hidden before, and due to the BKL removal 
> activities (by Thomas, Frederic, Jon, Alan and others) the remaining BKL using 
> sites are a lot more well defined, a lot more isolated and thus a lot more 
> removable than ever before.

That's the main thing. We've been pushing them down a lot.

We still have a few annoying core ones, though. I hate the execve() and 
file locking ones.

			Linus
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