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authorPeter Zijlstra <peterz@infradead.org>2021-09-21 21:54:32 +0200
committerPeter Zijlstra <peterz@infradead.org>2021-10-07 13:51:15 +0200
commit9b3c4ab3045e953670c7de9c1165fae5358a7237 (patch)
treea59a777c69ffba9da50b637861fa7d59a583f1e9 /kernel/sched
parentf6ac18fafcf6cc5e41c26766d12ad335ed81012e (diff)
sched,rcu: Rework try_invoke_on_locked_down_task()
Give try_invoke_on_locked_down_task() a saner name and have it return an int so that the caller might distinguish between different reasons of failure. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@kernel.org> Acked-by: Vasily Gorbik <gor@linux.ibm.com> Tested-by: Vasily Gorbik <gor@linux.ibm.com> # on s390 Link: https://lkml.kernel.org/r/20210929152428.649944917@infradead.org
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 8a9aeac3469f..74db3c3afa6d 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4110,7 +4110,7 @@ out:
}
/**
- * try_invoke_on_locked_down_task - Invoke a function on task in fixed state
+ * task_call_func - Invoke a function on task in fixed state
* @p: Process for which the function is to be invoked, can be @current.
* @func: Function to invoke.
* @arg: Argument to function.
@@ -4123,12 +4123,12 @@ out:
* Returns:
* Whatever @func returns
*/
-bool try_invoke_on_locked_down_task(struct task_struct *p, bool (*func)(struct task_struct *t, void *arg), void *arg)
+int task_call_func(struct task_struct *p, task_call_f func, void *arg)
{
struct rq *rq = NULL;
unsigned int state;
struct rq_flags rf;
- bool ret = false;
+ int ret;
raw_spin_lock_irqsave(&p->pi_lock, rf.flags);