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Message-ID: <20091125084804.GE29096@one.firstfloor.org>
Date:	Wed, 25 Nov 2009 09:48:04 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [rfc] "fair" rw spinlocks

> No that's what I meant, the new type would be non nestable.

Okay.  Unfortunately it's still quite a lot of work.

%git/linux-2.6> gid rwlock_t | wc -l
221

Just tasklist_lock alone would be tough I guess, on level with one of your
nasty VFS locks that protect a thousand different things without any
comments.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
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