Re: [PATCH v3 2/4] sched: Introduce migratable()
From: Valentin Schneider <hidden>
Date: 2021-08-22 17:31:24
Also in:
linux-rt-users, lkml, rcu
On 17/08/21 16:43, Sebastian Andrzej Siewior wrote:
On 2021-08-11 21:13:52 [+0100], Valentin Schneider wrote:quoted
diff --git a/include/linux/sched.h b/include/linux/sched.h index debc960f41e3..8ba7b4a7ee69 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h@@ -1715,6 +1715,16 @@ static inline bool is_percpu_thread(void) #endif } +/* Is the current task guaranteed to stay on its current CPU? */ +static inline bool migratable(void) +{ +#ifdef CONFIG_SMP + return preemptible() && !current->migration_disabled; +#else + return true;shouldn't this be false in the UP case?
Yes indeed, forgot to flip that one when inverting the logic. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel