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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2009-11-22 08:53:50 -0800
committerIngo Molnar <mingo@elte.hu>2009-11-22 18:58:16 +0100
commit6ebb237bece23275d1da149b61a342f0d4d06a08 (patch)
tree5f3d99f6ce2e1e98736e5708eecb5bf217f78fde /include/linux/rcutiny.h
parent9f680ab41485edfdc96331b70afa7513aa0a7720 (diff)
downloadop-kernel-dev-6ebb237bece23275d1da149b61a342f0d4d06a08.zip
op-kernel-dev-6ebb237bece23275d1da149b61a342f0d4d06a08.tar.gz
rcu: Re-arrange code to reduce #ifdef pain
Remove #ifdefs from kernel/rcupdate.c and include/linux/rcupdate.h by moving code to include/linux/rcutiny.h, include/linux/rcutree.h, and kernel/rcutree.c. Also remove some definitions that are no longer used. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <1258908830885-git-send-email-> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/rcutiny.h')
-rw-r--r--include/linux/rcutiny.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index a3b6272..c4ba9a7 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -39,6 +39,11 @@ void rcu_bh_qs(int cpu);
#define rcu_init_sched() do { } while (0)
extern void rcu_check_callbacks(int cpu, int user);
+static inline int rcu_needs_cpu(int cpu)
+{
+ return 0;
+}
+
/*
* Return the number of grace periods.
*/
@@ -57,6 +62,8 @@ static inline long rcu_batches_completed_bh(void)
extern int rcu_expedited_torture_stats(char *page);
+#define synchronize_rcu synchronize_sched
+
static inline void synchronize_rcu_expedited(void)
{
synchronize_sched();
@@ -86,6 +93,10 @@ static inline void rcu_exit_nohz(void)
#endif /* #else #ifdef CONFIG_NO_HZ */
+static inline void rcu_scheduler_starting(void)
+{
+}
+
static inline void exit_rcu(void)
{
}
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