linux-kernel - Re: [PATCH] Introduce down_try() so we can move away from down

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Message-Id: <200807300956.55445.rusty@rustcorp.com.au>
Date:	Wed, 30 Jul 2008 09:56:53 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	"Paul Menage" <menage@...gle.com>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, "Matthew Wilcox" <matthew@....cx>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Christoph Hellwig" <hch@...radead.org>
Subject: Re: [PATCH] Introduce down_try() so we can move away from down_trylock()

On Wednesday 30 July 2008 02:21:02 Randy Dunlap wrote:
> On Tue, 29 Jul 2008 23:01:17 +1000 Rusty Russell wrote:
> > Andrew suggested introducing "down_try" as a wrapper now, to make
> > the transition easier.
>
> Hi Rusty,
>
> Will you also be making updates to
> Documentation/DocBook/kernel-locking.tmpl ?

Hi Randy,

   The section on sems has been removed in the latest Linus tree.  We're 
trying to bury semaphores, but it's not clear that will ever happen; hence 
this bet-hedging patch.

Cheers,
Rusty.
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