]> git.karo-electronics.de Git - karo-tx-linux.git/commit
lockdep: introduce lock_acquire_exclusive/shared helper macros
authorMichel Lespinasse <walken@google.com>
Thu, 18 Jul 2013 23:56:37 +0000 (09:56 +1000)
committerStephen Rothwell <sfr@canb.auug.org.au>
Thu, 18 Jul 2013 23:56:37 +0000 (09:56 +1000)
commite9904f5373e72a1a2a0cc8c0ae41c62b88240b52
treed5fbd6d6ac2314cc958897d960a0eaa009013047
parent854216d2d3669c69ebd8553d6b2dcc15df34eef0
lockdep: introduce lock_acquire_exclusive/shared helper macros

In lockdep.h, the spinlock/mutex/rwsem/rwlock/lock_map acquire macros have
different definitions based on the value of CONFIG_PROVE_LOCKING.  We have
separate ifdefs for each of these definitions, which seems redundant.

Introduce lock_acquire_{exclusive,shared,shared_recursive} helpers which
will have different definitions based on CONFIG_PROVE_LOCKING.  Then all
other helper macros can be defined based on the above ones, which reduces
the amount of ifdefined code.

Signed-off-by: Michel Lespinasse <walken@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
include/linux/lockdep.h