Re: [PATCH 14/31] x86, pkeys: add functions to fetch PKRU

[Thomas Gleixner]

On Wed, 6 Jan 2016, Dave Hansen wrote:

> 
> From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
> 
> This adds the raw instruction to access PKRU as well as some
> accessor functions that correctly handle when the CPU does not
> support the instruction.  We don't use it here, but we will use
> read_pkru() in the next patch.
> 
> Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>