[PATCH v3 08/12] smp: Remove preempt_disable from on_each_cpu_cond_mask

From: Chuyi Zhou

Date: Wed Mar 18 2026 - 00:59:54 EST


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>
---
kernel/smp.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index f9c0028968ef..47c3b057f57f 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -1086,9 +1086,7 @@ 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