On Fri, 03 Mar 2023 09:59:47 +1100, Benjamin Gray wrote:
> Userspace PROT_NONE ptes set _PAGE_PRIVILEGED, triggering a false
> positive debug assertion that __pte_flags_need_flush() is not called
> on a kernel mapping.
>
> Detect when it is a userspace PROT_NONE page by checking the required
>
Userspace PROT_NONE ptes set _PAGE_PRIVILEGED, triggering a false
positive debug assertion that __pte_flags_need_flush() is not called
on a kernel mapping.
Detect when it is a userspace PROT_NONE page by checking the required
bits of PAGE_NONE are set, and none of the RWX bits are set.
