[PATCH 3/4] riscv: hibernate: remove WARN_ON in save_processor_state
Song Shuai
songshuaishuai at tinylab.org
Wed May 24 19:55:54 PDT 2023
During hibernation or restoration, freeze_secondary_cpus
checks num_online_cpus via BUG_ON, and the subsequent
save_processor_state also does the checking with WARN_ON.
So remove the unnecessary checking in save_processor_state.
Signed-off-by: Song Shuai <songshuaishuai at tinylab.org>
---
arch/riscv/kernel/hibernate.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/riscv/kernel/hibernate.c b/arch/riscv/kernel/hibernate.c
index 395f835f067c..86f1c9ab6b0b 100644
--- a/arch/riscv/kernel/hibernate.c
+++ b/arch/riscv/kernel/hibernate.c
@@ -119,7 +119,6 @@ int pfn_is_nosave(unsigned long pfn)
void notrace save_processor_state(void)
{
- WARN_ON(num_online_cpus() != 1);
}
void notrace restore_processor_state(void)
--
2.20.1
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