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From: David Miller <davem@davemloft.net>
To: herbert@gondor.apana.org.au
Cc: rick.jones2@hp.com, tgraf@infradead.org, therbert@google.com,
	wsommerfeld@google.com, daniel.baluta@gmail.com,
	netdev@vger.kernel.org
Subject: Re: SO_REUSEPORT - can it be done in kernel?
Date: Fri, 25 Feb 2011 18:12:44 -0800 (PST)	[thread overview]
Message-ID: <20110225.181244.104056532.davem@davemloft.net> (raw)
In-Reply-To: <20110226005718.GA19889@gondor.apana.org.au>

From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Sat, 26 Feb 2011 08:57:18 +0800

> It isn't all that hard since the easy way would be to only take
> the lock if we're already corked or about to cork.

We take the lock unconditionally because we essentially have to after
UDP takes on the socket buffer accounting facilities similar to TCP.

  reply	other threads:[~2011-02-26  2:12 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-27 10:07 SO_REUSEPORT - can it be done in kernel? Daniel Baluta
2011-01-27 15:55 ` Bill Sommerfeld
2011-01-27 21:32 ` Tom Herbert
2011-02-25 12:56   ` Thomas Graf
2011-02-25 19:18     ` Rick Jones
2011-02-25 19:20       ` David Miller
2011-02-26  0:57         ` Herbert Xu
2011-02-26  2:12           ` David Miller [this message]
2011-02-26  2:48             ` Herbert Xu
2011-02-26  3:07               ` David Miller
2011-02-26  3:11                 ` Herbert Xu
2011-02-26  7:31                   ` Eric Dumazet
2011-02-26  7:46                     ` David Miller
2011-02-27 11:02           ` Thomas Graf
2011-02-27 11:06             ` Herbert Xu
2011-02-28  3:45               ` Tom Herbert
2011-02-28  4:26                 ` Herbert Xu
2011-02-28 11:36               ` Herbert Xu
2011-02-28 13:32                 ` Eric Dumazet
2011-02-28 14:13                   ` Herbert Xu
2011-02-28 14:22                     ` Eric Dumazet
2011-02-28 14:25                       ` Herbert Xu
2011-02-28 14:53                   ` Eric Dumazet
2011-02-28 15:01                     ` Thomas Graf
2011-02-28 14:13                 ` Thomas Graf
2011-02-28 16:22                   ` Eric Dumazet
2011-02-28 16:37                     ` Thomas Graf
2011-02-28 17:07                       ` Eric Dumazet
2011-03-01 10:19                         ` Thomas Graf
2011-03-01 10:33                           ` Eric Dumazet
2011-03-01 11:07                             ` Thomas Graf
2011-03-01 11:13                               ` Eric Dumazet
2011-03-01 11:27                                 ` Thomas Graf
2011-03-01 11:45                                   ` Eric Dumazet
2011-03-01 11:53                                     ` Herbert Xu
2011-03-01 12:32                                       ` Herbert Xu
2011-03-01 13:04                                         ` Eric Dumazet
2011-03-01 13:11                                           ` Herbert Xu
2011-03-01 13:03                                       ` Eric Dumazet
2011-03-01 13:18                                         ` Herbert Xu
2011-03-01 13:52                                           ` Eric Dumazet
2011-03-01 13:58                                             ` Herbert Xu
2011-03-01 16:31                                           ` Eric Dumazet
2011-03-02  0:23                                             ` Herbert Xu
2011-03-02  2:00                                               ` Eric Dumazet
2011-03-02  2:39                                                 ` Herbert Xu
2011-03-02  2:56                                                   ` Eric Dumazet
2011-03-02  3:09                                                     ` Herbert Xu
2011-03-02  3:44                                                       ` Eric Dumazet
2011-03-02  7:12                                                   ` Tom Herbert
2011-03-02  7:31                                                     ` Herbert Xu
2011-03-02  8:04                                                       ` Eric Dumazet
2011-03-02  8:07                                                         ` Herbert Xu
2011-03-02  8:24                                                           ` Eric Dumazet
2011-03-01 12:01                                     ` Thomas Graf
2011-03-01 12:15                                       ` Herbert Xu
2011-03-01 13:27                                       ` Herbert Xu
2011-03-01 12:18                                     ` Thomas Graf
2011-03-01 12:19                                       ` Herbert Xu
2011-03-01 13:50                                         ` Thomas Graf
2011-03-01 14:06                                           ` Eric Dumazet
2011-03-01 14:22                                             ` Thomas Graf
2011-03-01 14:30                                               ` Thomas Graf
2011-03-01 14:52                                                 ` Eric Dumazet
2011-03-01 15:07                                                   ` Thomas Graf
2011-03-01  5:33                 ` Eric Dumazet
2011-03-01 12:35                 ` Herbert Xu
2011-03-01 12:36                   ` [PATCH 2/5] inet: Remove explicit write references to sk/inet in ip_append_data Herbert Xu
2011-03-02  6:15                     ` inet: Replace left-over references to inet->cork Herbert Xu
2011-03-02  7:01                       ` David Miller
2011-03-01 12:36                   ` [PATCH 1/5] inet: Remove unused sk_sndmsg_* from UFO Herbert Xu
2011-03-01 12:36                   ` [PATCH 3/5] inet: Add ip_make_skb and ip_finish_skb Herbert Xu
2011-03-01 12:36                   ` [PATCH 4/5] udp: Switch to ip_finish_skb Herbert Xu
2011-03-01 12:36                   ` [PATCH 5/5] udp: Add lockless transmit path Herbert Xu
2011-03-01 16:43                   ` SO_REUSEPORT - can it be done in kernel? Eric Dumazet
2011-03-01 20:36                     ` David Miller
2011-02-28 11:41               ` [PATCH 1/5] net: Remove unused sk_sndmsg_* from UFO Herbert Xu
2011-03-01  5:31                 ` Eric Dumazet
2011-02-28 11:41               ` [PATCH 2/5] net: Remove explicit write references to sk/inet in ip_append_data Herbert Xu
2011-03-01  5:31                 ` Eric Dumazet
2011-02-28 11:41               ` [PATCH 3/5] inet: Add ip_make_skb and ip_send_skb Herbert Xu
2011-03-01  5:31                 ` Eric Dumazet
2011-02-28 11:41               ` [PATCH 4/5] udp: Add lockless transmit path Herbert Xu
2011-02-28 11:41                 ` Herbert Xu
2011-03-01  5:30                 ` Eric Dumazet
2011-02-25 19:21       ` SO_REUSEPORT - can it be done in kernel? Eric Dumazet
2011-02-25 22:48       ` Thomas Graf
2011-02-25 23:15         ` Rick Jones
2011-02-25 19:51     ` Tom Herbert
2011-02-25 22:58       ` Thomas Graf
2011-02-25 23:33       ` Bill Sommerfeld

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