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authorIngo Molnar <mingo@elte.hu>2009-04-07 06:05:21 -0400
committerIngo Molnar <mingo@elte.hu>2009-04-07 06:05:25 -0400
commit6c009ecef8cca28c7c09eb16d0802e37915a76e1 (patch)
tree11c773f780186fdb9fbc9c80a73fb7c8426b1fba /include/linux/rcutree.h
parent98c2aaf8be5baf7193be37fb28bce8e7327158bc (diff)
parentd508afb437daee7cf07da085b635c44a4ebf9b38 (diff)
Merge branch 'linus' into perfcounters/core
Merge reason: need the upstream facility added by: 7f1e2ca: hrtimer: fix rq->lock inversion (again) Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/rcutree.h')
-rw-r--r--include/linux/rcutree.h27
1 files changed, 2 insertions, 25 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index a722fb67bb2d..0cdda00f2b2a 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -33,7 +33,6 @@
33#include <linux/cache.h> 33#include <linux/cache.h>
34#include <linux/spinlock.h> 34#include <linux/spinlock.h>
35#include <linux/threads.h> 35#include <linux/threads.h>
36#include <linux/percpu.h>
37#include <linux/cpumask.h> 36#include <linux/cpumask.h>
38#include <linux/seqlock.h> 37#include <linux/seqlock.h>
39 38
@@ -236,30 +235,8 @@ struct rcu_state {
236#endif /* #ifdef CONFIG_NO_HZ */ 235#endif /* #ifdef CONFIG_NO_HZ */
237}; 236};
238 237
239extern struct rcu_state rcu_state; 238extern void rcu_qsctr_inc(int cpu);
240DECLARE_PER_CPU(struct rcu_data, rcu_data); 239extern void rcu_bh_qsctr_inc(int cpu);
241
242extern struct rcu_state rcu_bh_state;
243DECLARE_PER_CPU(struct rcu_data, rcu_bh_data);
244
245/*
246 * Increment the quiescent state counter.
247 * The counter is a bit degenerated: We do not need to know
248 * how many quiescent states passed, just if there was at least
249 * one since the start of the grace period. Thus just a flag.
250 */
251static inline void rcu_qsctr_inc(int cpu)
252{
253 struct rcu_data *rdp = &per_cpu(rcu_data, cpu);
254 rdp->passed_quiesc = 1;
255 rdp->passed_quiesc_completed = rdp->completed;
256}
257static inline void rcu_bh_qsctr_inc(int cpu)
258{
259 struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu);
260 rdp->passed_quiesc = 1;
261 rdp->passed_quiesc_completed = rdp->completed;
262}
263 240
264extern int rcu_pending(int cpu); 241extern int rcu_pending(int cpu);
265extern int rcu_needs_cpu(int cpu); 242extern int rcu_needs_cpu(int cpu);