netdev - Re: [RFC, PATCH] IPV6 : add 64 bits components in struct in6_addr to speedup ipv6_addr_equal() & ipv6_addr

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Message-Id: <20070501.010927.01623782.yoshfuji@linux-ipv6.org>
Date:	Tue, 01 May 2007 01:09:27 +0900 (JST)
From:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>
To:	dada1@...mosbay.com
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: [RFC, PATCH] IPV6 : add 64 bits components in struct in6_addr
 to speedup ipv6_addr_equal() & ipv6_addr_any()

In article <20070430162851.ca3c7869.dada1@...mosbay.com> (at Mon, 30 Apr 2007 16:28:51 +0200), Eric Dumazet <dada1@...mosbay.com> says:

> On 64bit arches, we can speedup some IPV6 addresses compares, using 64 bits fields in struct in6_addr.
> 
> I am not sure if this patch wont break some user ABI, maybe we should use some ifdef(KERNEL) ?

AFAIK, it did and I guess it will.  So, please do not do this even though
it is enclosed with ifdef(__KERNEL__), so far, at least, for 2.6.22.

--yoshfuji
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