[PATCH v3 1/4] riscv/barrier: Define __{mb,rmb,wmb}

[Emil Renner Berthing]

Eric Chan wrote:
> Introduce __{mb,rmb,wmb}, and rely on the generic definitions
> for {mb,rmb,wmb}.
> Although KCSAN is not yet support,
> it can be made more consistent with generic instrumentation.

nit: this commit message has some weird line breaks

>
> Signed-off-by: Eric Chan <ericchancf at google.com>
> ---
>  arch/riscv/include/asm/barrier.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h
> index 110752594228..4c49a8ff2c68 100644
> --- a/arch/riscv/include/asm/barrier.h
> +++ b/arch/riscv/include/asm/barrier.h
> @@ -20,9 +20,9 @@
>  	__asm__ __volatile__ ("fence " #p "," #s : : : "memory")
>
>  /* These barriers need to enforce ordering on both devices or memory. */
> -#define mb()		RISCV_FENCE(iorw,iorw)
> -#define rmb()		RISCV_FENCE(ir,ir)
> -#define wmb()		RISCV_FENCE(ow,ow)
> +#define __mb()		RISCV_FENCE(iorw,iorw)
> +#define __rmb()		RISCV_FENCE(ir,ir)
> +#define __wmb()		RISCV_FENCE(ow,ow)
>
>  /* These barriers do not need to enforce ordering on devices, just memory. */
>  #define __smp_mb()	RISCV_FENCE(rw,rw)
> --
> 2.43.0.687.g38aa6559b0-goog
>
>
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