Re: [PATCH v4 7/7] mtrr, mm, x86: Enhance MTRR checks for KVA huge page mapping

From: Borislav Petkov
Date: Tue May 12 2015 - 03:28:17 EST


On Mon, May 11, 2015 at 04:09:39PM -0600, Toshi Kani wrote:
> There may not be any type conflict with MTRR_TYPE_INVALID.

Because...?

Let me guess: you cannot change this function to return a signed value
which is the type when positive and an error when negative?

> I will change the caller to check MTRR_TYPE_INVALID, and treat it as a
> uniform case.

That would be, of course, also wrong.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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