Hi Steven,
On Thu, Sep 28, 2017 at 12:34:02PM -0500, Steven J. Hill wrote:
> From: Chad Reese <kreese@xxxxxxxxxxxxxxxxxx>
>
> Flushing the writes lets other CPUs waiting for the lock to get it
> sooner.
>
> Signed-off-by: Chad Reese <kreese@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: David Daney <david.daney@xxxxxxxxxx>
I think this needs your SOB too.
Cheers
James
> ---
> arch/mips/include/asm/bitops.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
> index fa57cef..da1b871 100644
> --- a/arch/mips/include/asm/bitops.h
> +++ b/arch/mips/include/asm/bitops.h
> @@ -456,6 +456,7 @@ static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long *
> {
> smp_mb__before_llsc();
> __clear_bit(nr, addr);
> + nudge_writes();
> }
>
> /*
> --
> 2.1.4
>
>
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