[PATCH v15 06/23] selftests/vm/pkeys: Typecast the pkey register

Dave Hansen dave.hansen at intel.com
Thu Dec 19 07:46:50 AEDT 2019


On 12/17/19 11:51 PM, Sandipan Das wrote:
>  	write_pkey_reg(pkey_reg);
> -	dprintf4("pkey_reg now: %08x\n", read_pkey_reg());
> +	dprintf4("pkey_reg now: "PKEY_REG_FMT"\n", read_pkey_reg());
>  }
>  
>  #define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
> diff --git a/tools/testing/selftests/vm/pkey-x86.h b/tools/testing/selftests/vm/pkey-x86.h
> index 2f04ade8ca9c..5f40901219d3 100644
> --- a/tools/testing/selftests/vm/pkey-x86.h
> +++ b/tools/testing/selftests/vm/pkey-x86.h
> @@ -46,6 +46,8 @@
>  #define HPAGE_SIZE		(1UL<<21)
>  #define PAGE_SIZE		4096
>  #define MB			(1<<20)
> +#define pkey_reg_t		u32
> +#define PKEY_REG_FMT		"%016x"

How big is the ppc one?

I'd really just rather do %016lx *everywhere* than sprinkle the
PKEY_REG_FMTs around.

BTW, why are you doing a %016lx for a u32?


More information about the Linuxppc-dev mailing list