diff options
author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-05-06 12:28:41 -0400 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-05-06 12:28:41 -0400 |
commit | ee84b8243b07c33a5c8aed42b4b2da60cb16d1d2 (patch) | |
tree | a5b3cad55179fe8340c6422deaf6e11120222ad1 /include/linux/rcupdate.h | |
parent | ad4ba375373937817404fd92239ef4cadbded23b (diff) |
rcu: create rcu_my_thread_group_empty() wrapper
Some RCU-lockdep splat repairs need to know whether they are running
in a single-threaded process. Unfortunately, the thread_group_empty()
primitive is defined in sched.h, and can induce #include hell. This
commit therefore introduces a rcu_my_thread_group_empty() wrapper that
is defined in rcupdate.c, thus avoiding the need to include sched.h
everywhere.
Signed-off-by: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/linux/rcupdate.h')
-rw-r--r-- | include/linux/rcupdate.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 07db2feb8572..db266bbed23f 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h | |||
@@ -190,6 +190,8 @@ static inline int rcu_read_lock_sched_held(void) | |||
190 | 190 | ||
191 | #ifdef CONFIG_PROVE_RCU | 191 | #ifdef CONFIG_PROVE_RCU |
192 | 192 | ||
193 | extern int rcu_my_thread_group_empty(void); | ||
194 | |||
193 | /** | 195 | /** |
194 | * rcu_dereference_check - rcu_dereference with debug checking | 196 | * rcu_dereference_check - rcu_dereference with debug checking |
195 | * @p: The pointer to read, prior to dereferencing | 197 | * @p: The pointer to read, prior to dereferencing |