linux-kernel - Re: [RFC] csum experts, csum

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Message-Id: <20140321.145229.1026128975151125729.davem@davemloft.net>
Date:	Fri, 21 Mar 2014 14:52:29 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	andi@...stfloor.org, hpa@...or.com, kaber@...sh.net,
	herbert@...dor.apana.org.au, hkchu@...gle.com, mwdalton@...gle.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] csum experts, csum_replace2() is too expensive

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 21 Mar 2014 05:50:50 -0700

> It looks like a barrier() would be more appropriate.

barrier() == __asm__ __volatile__(:::"memory")
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