Re: [PATCH 11/26] x86, pkeys: add functions for set/fetch PKRU

[Thomas Gleixner]

On Wed, 16 Sep 2015, Dave Hansen wrote:

> 
> This adds the raw instructions to access PKRU as well as some
> accessor functions that correctly handle when the CPU does
> not support the instruction.  We don't use them here, but
> we will use read_pkru() in the next patch.
> 
> I do not see an immediate use for write_pkru().  But, we put it
> here for partity with its twin.

So that read_pkru() doesn't feel so lonely? I can't follow that logic.

Thanks,

	tglx
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