[tip: core/rcu] rcu-tasks: Convert rcu_tasks_wait_gp() for-loop to while-loop
From: tip-bot2 for Paul E. McKenney
Date: Sun Dec 13 2020 - 14:22:06 EST
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 77dc174103fdb121c47621e9856d73704b7eddd2
Gitweb: https://git.kernel.org/tip/77dc174103fdb121c47621e9856d73704b7eddd2
Author: Paul E. McKenney <paulmck@xxxxxxxxxx>
AuthorDate: Tue, 15 Sep 2020 15:41:50 -07:00
Committer: Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Mon, 02 Nov 2020 17:12:42 -08:00
rcu-tasks: Convert rcu_tasks_wait_gp() for-loop to while-loop
The infinite for-loop in rcu_tasks_wait_gp() has its only exit at the
top of the loop, so this commit does the straightforward conversion to
a while-loop, thus saving a few lines.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
kernel/rcu/tasks.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index d5d9f2d..a93271f 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -338,14 +338,11 @@ static void rcu_tasks_wait_gp(struct rcu_tasks *rtp)
if (fract > HZ)
fract = HZ;
- for (;;) {
+ while (!list_empty(&holdouts)) {
bool firstreport;
bool needreport;
int rtst;
- if (list_empty(&holdouts))
- break;
-
/* Slowly back off waiting for holdouts */
set_tasks_gp_state(rtp, RTGS_WAIT_SCAN_HOLDOUTS);
schedule_timeout_idle(HZ/fract);