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SubjectRe: [PATCH 1/6] x86: fix NX bit handling in change_page_attr

* Ingo Molnar <mingo@elte.hu> wrote:

> ...
> + ref_prot = pte_pgprot(pte_mkexec(pte_clrhuge(*kpte)));
>
> i.e. it now goes through all the proper accessors.

i guess it would be nicer to have the proper accessors to just clear the
NX bit from ref-prot - instead of re-constructing the *kpte from
scratch. But i see no other way to do it right now than to access
pgprot_val() as an lvalue. Jeremy, what would be the best approach here?

Ingo


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