Excerpts from Aneesh Kumar K.V's message of 2016-03-27 03:23:13 -0500:
> _PAGE_PRIVILEGED means the page can be accessed only by kernel. This is done
> to keep pte bits similar to PowerISA 3.0 radix PTE format. User
> pages are now makred by clearing _PAGE_PRIVILEGED bit.
>
> Previously we allowed
_PAGE_PRIVILEGED means the page can be accessed only by kernel. This is done
to keep pte bits similar to PowerISA 3.0 radix PTE format. User
pages are now makred by clearing _PAGE_PRIVILEGED bit.
Previously we allowed kernel to have a privileged page
in the lower address range(USER_REGION). With t