[PATCH 1/5] sched/rt: cpupri_find: Use cpumask_intersects where applicable

[Shrikanth Hegde <sshegde@linux.ibm.com>]

cpumask_any_and returns, usually the first cpu in the intersection
of the two cpumasks. However, if the returned value is not used or
only to check it against nr_cpu_ids, that implies whether the two
cpumask have a bit in common. I.e cpumask_intersects.

cpumask_any_and uses ffs on (addr1[idx] & addr2[idx]) whereas
cpumask_intersects checks only (addr1[idx] & addr2[idx]).

So replace such occurrences.

Signed-off-by: Shrikanth Hegde <sshegde@linux.ibm.com>
---
 kernel/sched/cpupri.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 8f2237e8b484..44d67fbc4ab2 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -97,7 +97,7 @@ static inline int __cpupri_find(struct cpupri *cp, struct task_struct *p,
 	if (skip)
 		return 0;
 
-	if (cpumask_any_and(&p->cpus_mask, vec->mask) >= nr_cpu_ids)
+	if (!cpumask_intersects(&p->cpus_mask, vec->mask))
 		return 0;
 
 	if (lowest_mask) {
-- 
2.52.0