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(parent: 72d6e48) | patch
vfio/type1: Use follow_pte()
authorAlex Williamson <alex.williamson@redhat.com>
Tue, 16 Feb 2021 22:49:34 +0000 (15:49 -0700)
committerAlex Williamson <alex.williamson@redhat.com>
Mon, 22 Feb 2021 17:17:13 +0000 (10:17 -0700)
commit07956b6269d3ed05d854233d5bb776dca91751dd
tree17738c3164a557a03f357d3f483ee6fe347b1454tree | snapshot
parent72d6e4871f0457dc9e498f8437ea344ee6b78075commit | diff
vfio/type1: Use follow_pte()

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 <jgg@nvidia.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/vfio_iommu_type1.c diff | blob | history
Domain: System / Kernel;