[CRIU] [RFC 05/11] Complain about missing CONFIG_ARMV*

[Alexander Kartashov]

On 02/07/2014 09:04 PM, Christopher Covington wrote:
> Without this a user may encounter the following error.
>
> arch/arm/include/asm/atomic.h:38:2: error: implicit declaration of function ‘smp_mb’
>
> With the #error pragma a user is a least pointed to the specific
> section in the file that's causing the problem
>
> arch/arm/include/asm/atomic.h:21:2: error: #error ARM architecture version (CONFIG_ARMV*) not set or unsupported.
> ---
>   arch/arm/include/asm/atomic.h | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
> index 7bee004..bb79493 100644
> --- a/arch/arm/include/asm/atomic.h
> +++ b/arch/arm/include/asm/atomic.h
> @@ -16,6 +16,10 @@ typedef struct {
>   
>   #define smp_mb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5"	: : "r" (0) : "memory")
>   
> +#else
> +
> +#error ARM architecture version (CONFIG_ARMV*) not set or unsupported.
> +
>   #endif
>   
>   static inline int atomic_read(const atomic_t *v)
Acked-by: Alexander Kartashov <alekskartashov at parallels.com>

-- 
Sincerely yours,
Alexander Kartashov

Intern
Core team

www.parallels.com

Skype: aleksandr.kartashov
Email: alekskartashov at parallels.com