linux-kernel - [PATCH 0/4] patches to cure race in lock_set

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Date:	Fri,  4 Nov 2011 17:26:26 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	sergey.senozhatsky@...il.com, bp@...en8.de
Subject: [PATCH 0/4] patches to cure race in lock_set_class()

This a new version of my previous post[1].

patch#1 is the one which fix the reported bug.
  So Sergey, Borislav, would you please give it a test?

patch#2~4 is an enhancement which fix a potential race in
  lock_set_class(). But the fact is the only current user
  in kernel is lock_set_subclass(), we still have no
  user which change its 'key' in flying. So I mark it
  with RFC.

More detail in each patch :)

Thanks,
Yong

[1]:http://marc.info/?l=linux-kernel&m=131919035525533

Yong Zhang (4):
  lockdep: lock_set_subclass() fix
  lockdep: Let register_lock_class() can be called with/without
    graph_lock
  lockdep: split lockdep_init_map()
  lockdep: fix race condition in __lock_set_class()

 include/linux/lockdep.h |    2 +-
 kernel/lockdep.c        |   50 ++++++++++++++++++++++++++++++++--------------
 2 files changed, 36 insertions(+), 16 deletions(-)

-- 
1.7.5.4

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