On Tue, Feb 16, 2021 at 03:49:34PM -0700, Alex Williamson wrote:
> follow_pfn() doesn't make sure that we're using the correct page
> protections, get the pte with follow_pte() so that we can test
> protections and get the pfn from the pte.
>
> Fixes: 5cbf3264bc71 ("vfio/type1: Fix VA->PA translation for PFNMAP VMAs in
> vaddr_get_pfn()")
> Reviewed-by: Jason Gunthorpe <[email protected]>
> Reviewed-by: Cornelia Huck <[email protected]>
> Signed-off-by: Alex Williamson <[email protected]>
Reviewed-by: Peter Xu <[email protected]>
--
Peter Xu