On Tue, Jul 05, 2022 at 11:27:59PM -0700, Nicolin Chen wrote: > Most of the callers of vfio_pin_pages() want "struct page *" and the > low-level mm code to pin pages returns a list of "struct page *" too. > So there's no gain in converting "struct page *" to PFN in between. > > Replace the output parameter "phys_pfn" list with a "pages" list, to > simplify callers. This also allows us to replace the vfio_iommu_type1 > implementation with a more efficient one. > > For now, also update vfio_iommu_type1 to fit this new parameter too. > > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > --- > .../driver-api/vfio-mediated-device.rst | 2 +- > drivers/gpu/drm/i915/gvt/kvmgt.c | 19 ++++++------------- > drivers/s390/cio/vfio_ccw_cp.c | 19 +++++++++---------- > drivers/s390/crypto/vfio_ap_ops.c | 6 +++--- > drivers/vfio/vfio.c | 8 ++++---- > drivers/vfio/vfio.h | 2 +- > drivers/vfio/vfio_iommu_type1.c | 19 +++++++++++-------- > include/linux/vfio.h | 2 +- > 8 files changed, 36 insertions(+), 41 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
