linux-kernel - Re: [PATCH] Introduce down

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Message-Id: <200805212209.17442.rusty@rustcorp.com.au>
Date:	Wed, 21 May 2008 22:09:16 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Matthew Wilcox <matthew@....cx>
Subject: Re: [PATCH] Introduce down_nowait()

On Wednesday 21 May 2008 18:19:26 Andrew Morton wrote:
> The number of down_trylocks in rc3 is 51 and the number of
> down_trylocks and down_nowaits in -mm is 47.  So progress is pretty
> glacial.
...
> Anyway, yes, I agree that the whole effort is a bit dubious and that
> the time could be better directed to semaphore eliminations.

It is deeply annoying, even embarrassing, and trivial to fix.  And as you say, 
process is glacial...

Cheers,
Rusty.
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