Now smp_call_function_many_cond() internally handles the preemption logic,
so smp_call_function() does not need to explicitly disable preemption.
Remove preempt_{enable, disable} from smp_call_function().
Signed-off-by: Chuyi Zhou <zhouchuyi@bytedance.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
---
kernel/smp.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/smp.c b/kernel/smp.c
index 4ddb1ec1e43e..9b658362aa02 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -1002,9 +1002,8 @@ EXPORT_SYMBOL(smp_call_function_many);
*/
void smp_call_function(smp_call_func_t func, void *info, int wait)
{
- preempt_disable();
- smp_call_function_many(cpu_online_mask, func, info, wait);
- preempt_enable();
+ smp_call_function_many_cond(cpu_online_mask, func, info,
+ wait ? SCF_WAIT : 0, NULL);
}
EXPORT_SYMBOL(smp_call_function);
--
2.20.1