In general it's preferable to avoid placing cpumasks on the stack, as
for large values of NR_CPUS these can consume significant amounts of
stack space and make stack overflows more likely.
Use cpumask_of() to avoid the need for a temporary cpumask on the stack
Signed-off-by: Dawei Li <[email protected]>
---
drivers/watchdog/octeon-wdt-main.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/watchdog/octeon-wdt-main.c b/drivers/watchdog/octeon-wdt-main.c
index 0fe71f7e66d5..52d49e4e35a0 100644
--- a/drivers/watchdog/octeon-wdt-main.c
+++ b/drivers/watchdog/octeon-wdt-main.c
@@ -381,11 +381,7 @@ static int octeon_wdt_cpu_online(unsigned int cpu)
/* Must set the irq affinity here */
if (octeon_has_feature(OCTEON_FEATURE_CIU3)) {
- cpumask_t mask;
-
- cpumask_clear(&mask);
- cpumask_set_cpu(cpu, &mask);
- irq_set_affinity(irq, &mask);
+ irq_set_affinity(irq, cpumask_of(cpu));
}
cpumask_set_cpu(cpu, &irq_enabled_cpus);
--
2.25.1