Messages in this thread Patch in this message | | | From | paulmck@kernel ... | Subject | [PATCH tip/core/rcu 2/4] rcu-tasks: Convert rcu_tasks_wait_gp() for-loop to while-loop | Date | Thu, 5 Nov 2020 15:39:31 -0800 |
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From: "Paul E. McKenney" <paulmck@kernel.org>
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@kernel.org> --- 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); -- 2.9.5
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