Re: [PATCH v2 14/16] input: Redefine INPUT_COMPAT_TEST as in_compat_syscall()

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Hi Andy,

On Mon, Jan 25, 2016 at 2:24 PM, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> The input compat code should work like all other compat code: for
> 32-bit syscalls, use the 32-bit ABI and for 64-bit syscalls, use the
> 64-bit ABI.  We have a helper for that (in_compat_syscall()): just
> use it.
>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
> ---
>  drivers/input/input-compat.h | 12 +-----------
>  1 file changed, 1 insertion(+), 11 deletions(-)
>
> diff --git a/drivers/input/input-compat.h b/drivers/input/input-compat.h
> index 148f66fe3205..0f25878d5fa2 100644
> --- a/drivers/input/input-compat.h
> +++ b/drivers/input/input-compat.h
> @@ -17,17 +17,7 @@
>
>  #ifdef CONFIG_COMPAT
>
> -/* Note to the author of this code: did it ever occur to
> -   you why the ifdefs are needed? Think about it again. -AK */
> -#if defined(CONFIG_X86_64) || defined(CONFIG_TILE)
> -#  define INPUT_COMPAT_TEST is_compat_task()
> -#elif defined(CONFIG_S390)
> -#  define INPUT_COMPAT_TEST test_thread_flag(TIF_31BIT)
> -#elif defined(CONFIG_MIPS)
> -#  define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT_ADDR)
> -#else
> -#  define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT)
> -#endif
> +#define INPUT_COMPAT_TEST in_compat_syscall()
>


If we now have function that works on all arches I'd prefer if we used
it directly instead of continuing using INPUT_COMPAT_TEST.

Thanks.

-- 
Dmitry
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