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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] ipv6: optimize ipv6 addresses compares
Date: Tue, 10 Jul 2012 22:44:35 -0700 (PDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 11 Jul 2012 06:44:21 +0200

> I dont see where in demux code we have a 64bit access ?

Oh I see, we only do it in the socket, sigh.

#define INET_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)\
	(((__sk)->sk_hash == (__hash)) && net_eq(sock_net(__sk), (__net)) &&	\
	 ((*((__addrpair *)&(inet_sk(__sk)->inet_daddr))) == (__cookie))  &&	\
	 ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports))   &&	\
 ...