diff mbox series

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

Message ID 20240228175149.162646-2-alexghiti@rivosinc.com
State New
Headers
Series riscv: fix patching with IPI |

Commit Message

Alexandre Ghiti Feb. 28, 2024, 5:51 p.m. UTC 
  This memory barrier is not needed and not documented so simply remove
it.

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

Comments

Andrea Parri Feb. 29, 2024, 12:17 a.m. UTC | #1 
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 <andrea@rivosinc.com>
> Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>

Reviewed-by: Andrea Parri <parri.andrea@gmail.com>

  Andrea
diff mbox series

Patch

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;