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Diffstat (limited to 'kernel/rcu/rcu.h')
-rw-r--r--kernel/rcu/rcu.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 5564402af4cb..feb3ac1dc5d5 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -54,9 +54,6 @@
* grace-period sequence number.
*/
-#define RCU_SEQ_CTR_SHIFT 2
-#define RCU_SEQ_STATE_MASK ((1 << RCU_SEQ_CTR_SHIFT) - 1)
-
/* Low-order bit definition for polled grace-period APIs. */
#define RCU_GET_STATE_COMPLETED 0x1
@@ -255,6 +252,11 @@ static inline void debug_rcu_head_callback(struct rcu_head *rhp)
kmem_dump_obj(rhp);
}
+static inline bool rcu_barrier_cb_is_done(struct rcu_head *rhp)
+{
+ return rhp->next == rhp;
+}
+
extern int rcu_cpu_stall_suppress_at_boot;
static inline bool rcu_stall_is_suppressed_at_boot(void)