Re: [PATCH 00 of 10] x86: unify asm/pgtable.h

From: Ingo Molnar
Date: Tue Jan 08 2008 - 20:06:00 EST



* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

> In other words, prot and ref_prot can never be equal, so this path is
> always taken, and the other branch which tests pte_huge() is never
> run.
>
> Andi? Jan? Is this code just buggy, or is there something else going
> on here?

this code is plain buggy but fixing it triggered driver bugs in the past
so we've been procrastinating it forever ...

Ingo
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