On Thu, Nov 19, 2020 at 4:41 PM Daniel Vetter wrote:
>
> All we need are a pages array, pin_user_pages_fast can give us that
> directly. Plus this avoids the entire raw pfn side of get_vaddr_frames.
>
> Note that pin_user_pages_fast is a safe replacement despite the
> seeming lack of checking for
All we need are a pages array, pin_user_pages_fast can give us that
directly. Plus this avoids the entire raw pfn side of get_vaddr_frames.
Note that pin_user_pages_fast is a safe replacement despite the
seeming lack of checking for vma->vm_flasg & (VM_IO | VM_PFNMAP). Such
ptes are marked with pt
