On Thu, Jun 03, 2021 at 11:08:31PM +0200, Daniel Vetter wrote:
> We want to stop gup, which isn't the case if we use vmf_insert_page
> and VM_MIXEDMAP, because that does not set pte_special.
>
> v2: With this shmem gem helpers now definitely need CONFIG_MMU (0day)
>
> v3: add more depends on MMU.
We want to stop gup, which isn't the case if we use vmf_insert_page
and VM_MIXEDMAP, because that does not set pte_special.
v2: With this shmem gem helpers now definitely need CONFIG_MMU (0day)
v3: add more depends on MMU. For usb drivers this is a bit awkward,
but really it's correct: To be able
