Re: [Minios-devel] [UNIKRAFT PATCH 11/17] arch/x86_64: Add nop() macro

[Simon Kuenzer <simon.kuenzer@xxxxxxxxx>]

Reviewed-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>

On 04.04.2018 15:54, Costin Lupu wrote:
> Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
> ---
>   include/uk/arch/x86_64/lcpu.h | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/include/uk/arch/x86_64/lcpu.h b/include/uk/arch/x86_64/lcpu.h
> index 640ff68..1750c6f 100644
> --- a/include/uk/arch/x86_64/lcpu.h
> +++ b/include/uk/arch/x86_64/lcpu.h
> @@ -43,3 +43,7 @@
>   #ifndef wmb
>   #define wmb()   __asm__ __volatile__ ("sfence" : : : "memory")
>   #endif
> +
> +#ifndef nop
> +#define nop()   __asm__ __volatile__ ("nop" : : : "memory")
> +#endif
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