From: Eric Dumazet <eric.dumazet@gmail.com>
To: jolsa@redhat.com
Cc: David Miller <davem@davemloft.net>,
davidel@xmailserver.org, oleg@redhat.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, fbl@redhat.com, nhorman@redhat.com,
htejun@gmail.com
Subject: Re: [PATCH] net: fix race in the receive/select
Date: Fri, 26 Jun 2009 21:35:28 +0200 [thread overview]
Message-ID: <4A452300.5080507@gmail.com> (raw)
In-Reply-To: <20090626.111738.141246987.davem@davemloft.net>
David Miller a écrit :
> From: Davide Libenzi <davidel@xmailserver.org>
> 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.
Very good :)
Jiri, please respin a patch with this idea from Oleg
(We'll have to check all calls to poll_wait() in net tree)
Thanks everybody
next prev parent reply other threads:[~2009-06-26 19:36 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-25 12:25 [PATCH] net: fix race in the receive/select Jiri Olsa
2009-06-25 12:24 ` Oleg Nesterov
2009-06-26 1:31 ` Davide Libenzi
2009-06-26 1:59 ` Eric Dumazet
2009-06-26 2:04 ` Davide Libenzi
2009-06-26 2:11 ` David Miller
2009-06-26 2:19 ` Eric Dumazet
2009-06-26 3:14 ` Davide Libenzi
2009-06-26 5:42 ` Jarek Poplawski
2009-06-26 8:10 ` Jarek Poplawski
2009-06-26 13:57 ` Oleg Nesterov
2009-06-26 17:32 ` Davide Libenzi
2009-06-26 14:50 ` Oleg Nesterov
2009-06-26 18:12 ` Davide Libenzi
2009-06-26 18:17 ` David Miller
2009-06-26 19:35 ` Eric Dumazet [this message]
2009-06-29 9:34 ` Jiri Olsa
2009-06-28 11:10 ` Jarek Poplawski
2009-06-28 11:22 ` Jarek Poplawski
2009-06-28 18:04 ` Oleg Nesterov
2009-06-28 21:48 ` Jarek Poplawski
2009-06-29 9:27 ` Jiri Olsa
2009-06-26 13:46 ` Oleg Nesterov
2009-06-25 23:18 ` Eric Dumazet
2009-06-26 1:50 ` Tejun Heo
2009-06-29 9:12 ` Andi Kleen
2009-06-29 9:24 ` Jiri Olsa
2009-06-29 16:59 ` Zan Lynx
2009-06-29 17:29 ` Andi Kleen
2009-07-01 3:39 ` Herbert Xu
2009-07-01 6:27 ` Andi Kleen
2009-07-01 7:03 ` Herbert Xu
2009-07-01 7:22 ` Andi Kleen
2009-07-01 8:31 ` Herbert Xu
2009-07-01 8:44 ` Jiri Olsa
2009-07-01 10:58 ` Herbert Xu
2009-07-01 13:07 ` Herbert Xu
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