Re: [Xen-devel] [RFC PATCH V3 16/22] Introduce some macros for event channels

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 27.02.13 at 15:34, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:
> --- a/xen/include/asm-arm/types.h
> +++ b/xen/include/asm-arm/types.h
> @@ -41,10 +41,13 @@ typedef char bool_t;
>  #define test_and_clear_bool(b) xchg(&(b), 0)
>  
>  #endif /* __ASSEMBLY__ */
> +#define BYTE_BITORDER  3
> +#define BITS_PER_BYTE  (1 << BYTE_BITORDER)
>  
> -#define BITS_PER_LONG 32
> -#define BYTES_PER_LONG 4
> +#define BITS_PER_LONG  (1 << LONG_BITORDER)
>  #define LONG_BYTEORDER 2
> +#define LONG_BITORDER  (LONG_BYTEORDER + BYTE_BITORDER)
> +#define BYTES_PER_LONG (1 << LONG_BYTEORDER)

Is that all really correct and complete in the context of arm64 and
an ABI-long not being 32 bits on arm32?

Jan


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