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[PATCHv4 0/2] net: fix race in the receive/select

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From: Jiri Olsa <jolsa@...>
To: <netdev@...>
Cc: <linux-kernel@...>, <fbl@...>, <nhorman@...>, <davem@...>, <htejun@...>, <jarkao2@...>, <oleg@...>, <davidel@...>, <eric.dumazet@...>
Subject: [PATCHv4 0/2] net: fix race in the receive/select
Date: Thursday, July 2, 2009 - 2:32 am

This patchset fixies the race within the poll_wait call and the receive callbacks,
by adding memory barrier.

- 1/2 includes the actual fix
- 2/2 includes optimization for the x86 arch

It is discussed and described in the following discussions:

http://lkml.org/lkml/2009/6/18/124
http://lkml.org/lkml/2009/6/25/188
http://lkml.org/lkml/2009/6/29/216

Patchset is made on top of Linus'es tree d960eea974f5e500c0dcb95a934239cc1f481cfd .

Booted on x86_64.

wbr,
jirka

---
 arch/x86/include/asm/spinlock.h |    3 ++
 include/linux/spinlock.h        |    5 +++
 include/net/sock.h              |   66 +++++++++++++++++++++++++++++++++++++++
 net/atm/common.c                |    6 ++--
 net/core/datagram.c             |    2 +-
 net/core/sock.c                 |    8 ++--
 net/dccp/output.c               |    2 +-
 net/dccp/proto.c                |    2 +-
 net/ipv4/tcp.c                  |    2 +-
 net/iucv/af_iucv.c              |    4 +-
 net/rxrpc/af_rxrpc.c            |    4 +-
 net/unix/af_unix.c              |    8 ++--
 12 files changed, 93 insertions(+), 19 deletions(-)
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Messages in current thread:
[PATCHv4 0/2] net: fix race in the receive/select, Jiri Olsa, (Thu Jul 2, 2:32 am)
[PATCHv4 2/2] memory barrier: adding smp_mb__after_lock, Jiri Olsa, (Thu Jul 2, 2:36 am)
Re: [PATCHv4 2/2] memory barrier: adding smp_mb__after_lock, Eric Dumazet, (Thu Jul 2, 2:53 am)
Re: [PATCHv4 2/2] memory barrier: adding smp_mb__after_lock, Davide Libenzi, (Thu Jul 2, 10:39 am)
Re: [PATCHv4 2/2] memory barrier: adding smp_mb__after_lock, Jiri Olsa, (Fri Jul 3, 3:41 am)
Re: [PATCHv4 2/2] memory barrier: adding smp_mb__after_lock, Jiri Olsa, (Fri Jul 3, 3:50 am)
Re: [PATCHv4 2/2] memory barrier: adding smp_mb__after_lock, Jarek Poplawski, (Fri Jul 3, 3:47 am)
Re: [PATCHv4 2/2] memory barrier: adding smp_mb__after_lock, Jiri Olsa, (Fri Jul 3, 3:51 am)
[PATCHv4 1/2] net: adding memory barrier to the poll and rec..., Jiri Olsa, (Thu Jul 2, 2:35 am)
Re: [PATCHv4 1/2] net: adding memory barrier to the poll and..., Eric Dumazet, (Thu Jul 2, 2:55 am)