[PATCH v6 08/12] smp: Remove preempt_disable from on_each_cpu_cond_mask

[Chuyi Zhou]

Now smp_call_function_many_cond() internally handles the preemption logic,
so on_each_cpu_cond_mask does not need to explicitly disable preemption.
Remove preempt_{enable, disable} from on_each_cpu_cond_mask().

Signed-off-by: Chuyi Zhou <zhouchuyi@xxxxxxxxxxxxx>
Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
 kernel/smp.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index b1061fbdaa68..15799f842746 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -1136,9 +1136,7 @@ void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
 	if (wait)
 		scf_flags |= SCF_WAIT;
 
-	preempt_disable();
 	smp_call_function_many_cond(mask, func, info, scf_flags, cond_func);
-	preempt_enable();
 }
 EXPORT_SYMBOL(on_each_cpu_cond_mask);
 
-- 
2.20.1