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

[Andrea Parri]

On Wed, Feb 28, 2024 at 06:51:48PM +0100, Alexandre Ghiti wrote:
> This memory barrier is not needed and not documented so simply remove
> it.
> 
> Suggested-by: Andrea Parri 
> Signed-off-by: Alexandre Ghiti 

Reviewed-by: Andrea Parri 

  Andrea

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

[Alexandre Ghiti]

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

Suggested-by: Andrea Parri 
Signed-off-by: Alexandre Ghiti 
---
 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(>cpu_count) <= num_online_cpus())
cpu_relax();
-   smp_mb();
}
 
return ret;
-- 
2.39.2