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authorLinus Torvalds <torvalds@linux-foundation.org>2014-10-13 15:44:12 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-13 15:44:12 +0200
commitd6dd50e07c5bec00db2005969b1a01f8ca3d25ef (patch)
tree53e36ac30a3d0fdca3834f4e1eb36ddc67b512ce /include/linux/lockdep.h
parent5ff0b9e1a1da58b584aa4b8ea234be20b5a1164b (diff)
parentfd19bda491207f66d39aeba93487197a087bc00b (diff)
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar: "The main changes in this cycle were: - changes related to No-CBs CPUs and NO_HZ_FULL - RCU-tasks implementation - torture-test updates - miscellaneous fixes - locktorture updates - RCU documentation updates" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (81 commits) workqueue: Use cond_resched_rcu_qs macro workqueue: Add quiescent state between work items locktorture: Cleanup header usage locktorture: Cannot hold read and write lock locktorture: Fix __acquire annotation for spinlock irq locktorture: Support rwlocks rcu: Eliminate deadlock between CPU hotplug and expedited grace periods locktorture: Document boot/module parameters rcutorture: Rename rcutorture_runnable parameter locktorture: Add test scenario for rwsem_lock locktorture: Add test scenario for mutex_lock locktorture: Make torture scripting account for new _runnable name locktorture: Introduce torture context locktorture: Support rwsems locktorture: Add infrastructure for torturing read locks torture: Address race in module cleanup locktorture: Make statistics generic locktorture: Teach about lock debugging locktorture: Support mutexes locktorture: Add documentation ...
Diffstat (limited to 'include/linux/lockdep.h')
-rw-r--r--include/linux/lockdep.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 64c7425afbce..72d6dea7fac1 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -510,6 +510,7 @@ static inline void print_irqtrace_events(struct task_struct *curr)
#define lock_map_acquire(l) lock_acquire_exclusive(l, 0, 0, NULL, _THIS_IP_)
#define lock_map_acquire_read(l) lock_acquire_shared_recursive(l, 0, 0, NULL, _THIS_IP_)
+#define lock_map_acquire_tryread(l) lock_acquire_shared_recursive(l, 0, 1, NULL, _THIS_IP_)
#define lock_map_release(l) lock_release(l, 1, _THIS_IP_)
#ifdef CONFIG_PROVE_LOCKING