Re: [Xen-devel] [PATCH 3/7] x86/mm: Further restrict permissions on some virtual mappings

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.05.17 at 15:38, <andrew.cooper3@xxxxxxxxxx> wrote:
> My method of working out which areas to change were to consider all uses
> of __PAGE_HYPERVISOR.  I have half a mind to submit a change renaming it
> to __PAGE_PGTABLE, as it should only really be used to build
> intermediate pagetable entries where we control X/NX, R/W or S/U at a
> more fine grained level.

Yeah, getting rid of that overly permissive __PAGE_HYPERVISOR
would likely be a good thing.

Jan


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