linux-kernel - [PATCH tip/core/rcu 0/11] Add debugobjects checking to RCU callbacks

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Message-ID: <20100511233241.GA20250@linux.vnet.ibm.com>
Date:	Tue, 11 May 2010 16:32:41 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, dvhltc@...ibm.com, niv@...ibm.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	Valdis.Kletnieks@...edu, dhowells@...hat.com,
	eric.dumazet@...il.com
Subject: [PATCH tip/core/rcu 0/11] Add debugobjects checking to RCU
 callbacks

Hello!

This patchset pulls Mathieu's debugobject-specific commits out of the
earlier patchbomb (http://lkml.org/lkml/2010/5/4/298):

1.	Add transition-check capability to debugobjects.
2.	Add init_rcu_head_on_stack() and destroy_rcu_head_on_stack() APIs.
3.	Remove rcu_head initializations from RCU, except for those
	for on-stack rcu_head structures, which must use the APIs
	introduced in #2 above.
4-9.	Ditto for powerpc, block, staging, fs, mm, and selinux.
10.	Remove the old rcu_head initialization APIs.
11.	Add the debugobjects workings to RCU, enabled by
	CONFIG_DEBUG_OBJECTS_RCU_HEAD.

These have been reordered and consolidated to reduce inter-commit
dependencies.

							Thanx, Paul

 b/arch/powerpc/mm/pgtable.c                   |    1 
 b/block/cfq-iosched.c                         |    1 
 b/block/genhd.c                               |    1 
 b/drivers/staging/batman-adv/hard-interface.c |    1 
 b/fs/file.c                                   |    3 
 b/fs/fs-writeback.c                           |   31 +++-
 b/fs/partitions/check.c                       |    1 
 b/include/linux/debugobjects.h                |   11 +
 b/include/linux/init_task.h                   |    1 
 b/include/linux/rcupdate.h                    |    8 +
 b/kernel/rcupdate.c                           |  170 ++++++++++++++++++++++++++
 b/kernel/rcutiny.c                            |    6 
 b/kernel/rcutorture.c                         |    2 
 b/kernel/rcutree.c                            |    4 
 b/kernel/rcutree_plugin.h                     |    2 
 b/lib/Kconfig.debug                           |    6 
 b/lib/debugobjects.c                          |   59 ++++++++-
 b/mm/backing-dev.c                            |    1 
 b/mm/slob.c                                   |    1 
 b/security/selinux/avc.c                      |    1 
 b/security/selinux/netnode.c                  |    2 
 include/linux/rcupdate.h                      |   55 +++++++-
 kernel/rcutiny.c                              |    2 
 kernel/rcutree.c                              |    2 
 24 files changed, 344 insertions(+), 28 deletions(-)
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