linux-kernel - Re: [PATCH 0/10] local_t : adding and standardising atomic primitives

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Date:	Sat, 23 Dec 2006 09:33:58 +0000
From:	Pavel Machek <pavel@...e.cz>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	Ingo Molnar <mingo@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Christoph Hellwig <hch@...radead.org>, ltt-dev@...fik.org,
	systemtap@...rces.redhat.com,
	Douglas Niehaus <niehaus@...s.ku.edu>,
	"Martin J. Bligh" <mbligh@...igh.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/10] local_t : adding and standardising atomic primitives

Hi!

> These patches extend and standardise local_t operations on each architectures,
> allowing a rich set of atomic operations to be done on per-cpu data with
> minimal performance impact. On some architectures, there seems to be no
> difference between the SMP and UP operation (same memory barriers, same
> LOCking), local.h simply includes asm-generic/local.h, which removes duplicated
> code.

Could you provide some Documentation/? Knowing when local_t can be
used is kind-of important.
							Pavel
-- 
Thanks for all the (sleeping) penguins.
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