linux-kernel - Re: [PATCH 24/31] arch,score: Convert smp_mb_

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Date:	Thu, 20 Mar 2014 02:53:50 +0800
From:	Lennox Wu <lennox.wu@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-arch@...r.kernel.org,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 24/31] arch,score: Convert smp_mb__*

It's fine to S+core
Thanks :)

Acked-by: Lennox Wu<lennox.wu@...il.com>

2014-03-19 14:47 GMT+08:00 Peter Zijlstra <peterz@...radead.org>:
> score fully relies on asm-generic/barrier.h, so it can use its default
> implementation.
>
> Signed-off-by: Peter Zijlstra <peterz@...radead.org>
> ---
>  arch/score/include/asm/bitops.h |    7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
>
> --- a/arch/score/include/asm/bitops.h
> +++ b/arch/score/include/asm/bitops.h
> @@ -2,12 +2,7 @@
>  #define _ASM_SCORE_BITOPS_H
>
>  #include <asm/byteorder.h> /* swab32 */
> -
> -/*
> - * clear_bit() doesn't provide any barrier for the compiler.
> - */
> -#define smp_mb__before_clear_bit()     barrier()
> -#define smp_mb__after_clear_bit()      barrier()
> +#include <asm/barrier.h>
>
>  #include <asm-generic/bitops.h>
>  #include <asm-generic/bitops/__fls.h>
>
>
> --
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