Hi!
> 5.10.47-rt46-rc1 stable review patch.
> If anyone has any objections, please let me know.
>
> Add set_affinity_pending::stop_pending, to indicate if a stopper is in
> progress.
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 9cbe12d8c5bd..20588a59300d 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -1900,6 +1900,7 @@ struct migration_arg {
>
> struct set_affinity_pending {
> refcount_t refs;
> + unsigned int stop_pending;
> struct completion done;
> struct cpu_stop_work stop_work;
> struct migration_arg arg;
For better readability, this should be bool, AFAICT.
> * and have the stopper function handle it all race-free.
> */
> + stop_pending = pending->stop_pending;
> + if (!stop_pending)
> + pending->stop_pending = true;
>
...because it is used as bool.
Pavel
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