netdev - Re: [PATCHv7 2/2] memory barrier: adding smp_mb__after

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Date:	Thu, 09 Jul 2009 17:08:11 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	jolsa@...hat.com, netdev@...r.kernel.org,
	mathieu.desnoyers@...ymtl.ca, mingo@...e.hu,
	a.p.zijlstra@...llo.nl, linux-kernel@...r.kernel.org,
	fbl@...hat.com, nhorman@...hat.com, htejun@...il.com,
	jarkao2@...il.com, oleg@...hat.com, davidel@...ilserver.org
Subject: Re: [PATCHv7 2/2] memory barrier: adding smp_mb__after_lock

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 09 Jul 2009 06:25:55 +0200

> Jiri Olsa a écrit :
>> Adding smp_mb__after_lock define to be used as a smp_mb call after
>> a lock.
>> 
>> Making it nop for x86, since {read|write|spin}_lock() on x86 are
>> full memory barriers.
>> 
>> wbr,
>> jirka
>> 
>> 
>> Signed-off-by: Jiri Olsa <jolsa@...hat.com>
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Also applied, thanks everyone!
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