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Subject: Re: [PATCH v12 02/22] selftests/vm: rename all references to pkru to
 a generic name
To:     Ram Pai <linuxram@us.ibm.com>, shuahkh@osg.samsung.com,
        linux-kselftest@vger.kernel.org
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From:   Dave Hansen <dave.hansen@intel.com>
Message-ID: <61350ceb-974f-6039-ae1e-f2626c405676@intel.com>
Date:   Fri, 16 Mar 2018 14:55:26 -0700
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On 02/21/2018 05:55 PM, Ram Pai wrote:
>  int pkey_set(int pkey, unsigned long rights, unsigned long flags)
>  {
>  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
> -	u32 old_pkru = __rdpkru();
> -	u32 new_pkru;
> +	u32 old_pkey_reg = __rdpkey_reg();
> +	u32 new_pkey_reg;

If we're not using the _actual_ instruction names ("rdpkru"), I think
I'd rather this be something more readable, like: __read_pkey_reg().

But, it's OK-ish the way it is.

Reviewed-by: Dave Hansen <dave.hansen@intel.com>