Commit 94751453 authored Aug 13, 2020 by Biao Long

sched:/fair: check cpu_allowed mask when find target



Current find best target cpu is not check cpu_allowed mask, so
it is possible to place the task on wrong cpu, add cpu mask
check when find best target.

Change-Id: I8075657fa67704ab8d9d94d542a7983bcf8d034f
Signed-off-by: Biao Long <blong@codeaurora.org>

parent 197f1cc9

kernel/sched/fair.c

100755 → 100644

+3 −0

Original line number	Diff line number	Diff line
		@@ -6575,6 +6575,9 @@ static void walt_find_best_target(struct sched_domain sd, cpumask_t cpus,
		long spare_cap;
		int idle_idx = INT_MAX;

		if (!cpumask_test_cpu(i, &p->cpus_mask))
		continue;

		trace_sched_cpu_util(i);

		if (!cpu_active(i) \|\| cpu_isolated(i))