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authorFrederic Weisbecker2023-09-08 22:35:54 +0200
committerFrederic Weisbecker2023-10-04 17:33:18 +0200
commit7df2a2a024145d0dcc1e51dc378c527000b35b07 (patch)
tree02032544d255be5dab535fc8c92a05d7719f851d
parent5f98fd034ca6fd1ab8c91a3488968a0e9caaabf6 (diff)
rcu: Use rcu_segcblist_segempty() instead of open coding it
This makes the code more readable. Reviewed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
-rw-r--r--kernel/rcu/rcu_segcblist.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcu/rcu_segcblist.c b/kernel/rcu/rcu_segcblist.c
index f71fac422c8f..1693ea22ef1b 100644
--- a/kernel/rcu/rcu_segcblist.c
+++ b/kernel/rcu/rcu_segcblist.c
@@ -368,7 +368,7 @@ bool rcu_segcblist_entrain(struct rcu_segcblist *rsclp,
smp_mb(); /* Ensure counts are updated before callback is entrained. */
rhp->next = NULL;
for (i = RCU_NEXT_TAIL; i > RCU_DONE_TAIL; i--)
- if (rsclp->tails[i] != rsclp->tails[i - 1])
+ if (!rcu_segcblist_segempty(rsclp, i))
break;
rcu_segcblist_inc_seglen(rsclp, i);
WRITE_ONCE(*rsclp->tails[i], rhp);
@@ -551,7 +551,7 @@ bool rcu_segcblist_accelerate(struct rcu_segcblist *rsclp, unsigned long seq)
* as their ->gp_seq[] grace-period completion sequence number.
*/
for (i = RCU_NEXT_READY_TAIL; i > RCU_DONE_TAIL; i--)
- if (rsclp->tails[i] != rsclp->tails[i - 1] &&
+ if (!rcu_segcblist_segempty(rsclp, i) &&
ULONG_CMP_LT(rsclp->gp_seq[i], seq))
break;