summaryrefslogtreecommitdiffstats
path: root/include/linux/lockdep.h
diff options
context:
space:
mode:
authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-08-11 09:30:23 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 09:30:23 +0200
commit4f3e7524b2e703d9f8b02ac338153a53dd7ede66 (patch)
tree0033ade94f230d6044ad318e3791c55ad611069e /include/linux/lockdep.h
parentf82b217e3513fe3af342c0f3ee1494e86250c21c (diff)
downloadop-kernel-dev-4f3e7524b2e703d9f8b02ac338153a53dd7ede66.zip
op-kernel-dev-4f3e7524b2e703d9f8b02ac338153a53dd7ede66.tar.gz
lockdep: map_acquire
Most the free-standing lock_acquire() usages look remarkably similar, sweep them into a new helper. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/lockdep.h')
-rw-r--r--include/linux/lockdep.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index b49bfa8..e431d1d 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -459,4 +459,16 @@ static inline void print_irqtrace_events(struct task_struct *curr)
# define rwsem_release(l, n, i) do { } while (0)
#endif
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# ifdef CONFIG_PROVE_LOCKING
+# define map_acquire(l) lock_acquire(l, 0, 0, 0, 2, _THIS_IP_)
+# else
+# define map_acquire(l) lock_acquire(l, 0, 0, 0, 1, _THIS_IP_)
+# endif
+# define map_release(l) lock_release(l, 1, _THIS_IP_)
+#else
+# define map_acquire(l) do { } while (0)
+# define map_release(l) do { } while (0)
+#endif
+
#endif /* __LINUX_LOCKDEP_H */
OpenPOWER on IntegriCloud