From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] NET : inet_ehash_secret should be __read_mostly and set only once Date: Tue, 27 Mar 2007 23:03:06 +0200 Message-ID: <4609868A.5030103@cosmosbay.com> References: <20070327121343.395a57e5.dada1@cosmosbay.com> <20070327.135338.77404865.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: David Miller Return-path: Received: from sp604003mt.neufgp.fr ([84.96.92.56]:33295 "EHLO smTp.neuf.fr" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934225AbXC0VDW (ORCPT ); Tue, 27 Mar 2007 17:03:22 -0400 Received: from [192.168.30.10] ([86.66.237.74]) by sp604003mt.gpm.neuf.ld (Sun Java System Messaging Server 6.2-5.05 (built Feb 16 2006)) with ESMTP id <0JFK00IDMYH55S82@sp604003mt.gpm.neuf.ld> for netdev@vger.kernel.org; Tue, 27 Mar 2007 23:03:06 +0200 (CEST) In-reply-to: <20070327.135338.77404865.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org David Miller a =E9crit : > From: Eric Dumazet > Date: Tue, 27 Mar 2007 12:13:43 +0200 >=20 >> Hi David >> >> Please find this patch against net-2.6.22 >> >> Thank you >> >> [PATCH] NET : inet_ehash_secret should be __read_mostly and set only= once >> >> There is a very tiny probability that build_ehash_secret() is called= at the same time by different CPUS. >> >> Also, using __read_mostly is a must for inet_ehash_secret >> >> Signed-off-by: Eric Dumazet >=20 > Applied, but I left out this totally unrelated code formatting > change in your patch: >=20 >> @@ -684,7 +694,8 @@ int inet_sendmsg(struct kiocb *iocb, str >> } >> =20 >> =20 >> -static ssize_t inet_sendpage(struct socket *sock, struct page *page= , int offset, size_t size, int flags) >> +static ssize_t inet_sendpage(struct socket *sock, struct page *page= , int offset, >> + size_t size, int flags) >> { >> struct sock *sk =3D sock->sk; >> =20 Well... just a minor change to reduce length of this too long line...