linux-kernel - Re: [PATCH] powerpc: Implement atomic{,64}

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Message-ID: <18109.1138.869633.593502@cargo.ozlabs.ibm.com>
Date:	Sat, 11 Aug 2007 10:36:02 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Segher Boessenkool <segher@...nel.crashing.org>
Cc:	linuxppc-dev@...abs.org, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: Implement atomic{,64}_{read,write}() without volatile

Segher Boessenkool writes:

> Instead, use asm() like all other atomic operations already do.
> 
> Also use inline functions instead of macros; this actually
> improves code generation (some code becomes a little smaller,
> probably because of improved alias information -- just a few
> hundred bytes total on a default kernel build, nothing shocking).
> 
> Signed-off-by: Segher Boessenkool <segher@...nel.crashing.org>

Looks OK to me.  In the hope that Chris Snook will pick it up and
include it with his other atomic changes:

Acked-by: Paul Mackerras <paulus@...ba.org>
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