From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: fix race in the receive/select Date: Fri, 26 Jun 2009 11:17:38 -0700 (PDT) Message-ID: <20090626.111738.141246987.davem@davemloft.net> References: <20090626145027.GA6534@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: oleg@redhat.com, eric.dumazet@gmail.com, jolsa@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, fbl@redhat.com, nhorman@redhat.com, htejun@gmail.com To: davidel@xmailserver.org Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:46575 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753169AbZFZSRd (ORCPT ); Fri, 26 Jun 2009 14:17:33 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Davide Libenzi Date: Fri, 26 Jun 2009 11:12:15 -0700 (PDT) > On Fri, 26 Jun 2009, Oleg Nesterov wrote: > >> Perhaps we can add >> >> void sock_poll_wait(struct file *file, struct sock *sk, poll_table *pt) >> { >> if (pt) { >> poll_wait(file, sk->sk_sleep, pt); >> /* >> * fat comment >> */ >> smp_mb(); // or smp_mb__after_unlock(); >> } >> } > > That'd be fine IMHO. Are DaveM and Eric OK? No objections from me.