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riscv: Remove superfluous smp_mb()

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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>
Link: https://lore.kernel.org/r/20240229121056.203419-2-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Alexandre Ghiti 2024-02-29 13:10:55 +01:00 committed by Palmer Dabbelt
parent 6613476e22
commit 29cee75fb6
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1 changed files with 0 additions and 1 deletions
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arch/riscv/kernel/patch.c
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@ -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;