# Re: \[PATCH v12 04/22\] selftests/vm: typecast the pkey register

- From: Dave Hansen \<hidden\>
- Date: 2018-03-16 21:58:26 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2018/03/5218929
- Thread: https://ratatoskr.run/linux-kselftest/2018/02/5195852/t.md

```text
On 02/21/2018 05:55 PM, Ram Pai wrote:
> -static inline unsigned int _rdpkey_reg(int line)
> +static inline pkey_reg_t _rdpkey_reg(int line)
>  {
> -	unsigned int pkey_reg = __rdpkey_reg();
> +	pkey_reg_t pkey_reg = __rdpkey_reg();
>  
> -	dprintf4("rdpkey_reg(line=%d) pkey_reg: %x shadow: %x\n",
> +	dprintf4("rdpkey_reg(line=%d) pkey_reg: %016lx shadow: %016lx\n",
>  			line, pkey_reg, shadow_pkey_reg);
>  	assert(pkey_reg == shadow_pkey_reg);

Hmm.  So we're using %lx for an int?  Doesn't the compiler complain
about this?
```