[PATCH v3 1/2] riscv: Remove superfluous smp_mb()

Alexandre Ghiti alexghiti at rivosinc.com
Thu Feb 29 04:10:55 PST 2024


This memory barrier is not needed and not documented so simply remove
it.

Suggested-by: Andrea Parri <andrea at rivosinc.com>
Signed-off-by: Alexandre Ghiti <alexghiti at rivosinc.com>
Reviewed-by: Andrea Parri <parri.andrea at gmail.com>
---
 arch/riscv/kernel/patch.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/riscv/kernel/patch.c b/arch/riscv/kernel/patch.c
index 37e87fdcf6a0..0b5c16dfe3f4 100644
--- a/arch/riscv/kernel/patch.c
+++ b/arch/riscv/kernel/patch.c
@@ -239,7 +239,6 @@ static int patch_text_cb(void *data)
 	} else {
 		while (atomic_read(&patch->cpu_count) <= num_online_cpus())
 			cpu_relax();
-		smp_mb();
 	}
 
 	return ret;
-- 
2.39.2




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