Re: [Xen-devel] [PATCH 2/3] xen/arm: Introduce INVALID_VCPU_ID

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Wed, 8 Mar 2017, Julien Grall wrote:
> Define INVALID_VCPU_ID as MAX_VIRT_CPUS to avoid casting problem later
> on. At the moment it can always fit in uint8_t.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
>  xen/include/asm-arm/config.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h
> index ba61f65a39..6a92f53f72 100644
> --- a/xen/include/asm-arm/config.h
> +++ b/xen/include/asm-arm/config.h
> @@ -46,6 +46,8 @@
>  #define MAX_VIRT_CPUS 8
>  #endif
>  
> +#define INVALID_VCPU_ID MAX_VIRT_CPUS
> +
>  #define asmlinkage /* Nothing needed */
>  
>  #define __LINUX_ARM_ARCH__ 7
> -- 
> 2.11.0
> 

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