On Fri, 23 Jul 2021 16:55:39 +0100,
Alexandru Elisei wrote:
>
> Hi Marc,
>
> On 7/17/21 10:55 AM, Marc Zyngier wrote:
> > Since we only support PMD-sized mappings for THP, getting
> > a permission fault on a level that results in a mapping
> > being larger than PAGE_SIZE is a sure indication tha
Hi Marc,
On 7/17/21 10:55 AM, Marc Zyngier wrote:
> Since we only support PMD-sized mappings for THP, getting
> a permission fault on a level that results in a mapping
> being larger than PAGE_SIZE is a sure indication that we have
> already upgraded our mapping to a PMD.
>
> In this case, there i
Since we only support PMD-sized mappings for THP, getting
a permission fault on a level that results in a mapping
being larger than PAGE_SIZE is a sure indication that we have
already upgraded our mapping to a PMD.
In this case, there is no need to try and parse userspace page
tables, as the fault