netdev - Re: Add PGM protocol support to the IP stack

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Message-ID: <4BB13133.6030500@zytor.com>
Date:	Mon, 29 Mar 2010 16:01:07 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Christoph Lameter <cl@...ux-foundation.org>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Add PGM protocol support to the IP stack

On 03/22/2010 11:53 AM, Andi Kleen wrote:
> 
> There's just no portable atomic64_t. Ok maybe you can use the socket lock
> to synchronize all the counts if they are only per socket.
> 

In 2.6.34 there is (although some arches which could support it natively
don't as of yet... but that's fixable.)  See lib/atomic64.c.

	-hpa



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