On Wed, Jul 06, 2022 at 02:49:23PM -0300, Jason Gunthorpe wrote: > On Tue, Jul 05, 2022 at 11:27:54PM -0700, Nicolin Chen wrote: > > > These functions call back into the back-end IOMMU module by using the > > pin_pages > > diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c > > b/drivers/gpu/drm/i915/gvt/kvmgt.c > > index 8c67c9aba82d..ea6041fa48ac 100644 > > --- a/drivers/gpu/drm/i915/gvt/kvmgt.c > > +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
> > + vfio_unpin_pages(&vgpu->vfio_device, gfn << PAGE_SHIFT, > > + roundup(size, PAGE_SIZE) / PAGE_SIZE); > > These maths are DIV_ROUND_UP() Actually I see two places in this file doing the same roundup. So I am going to add a prep patch in v3 to fix them separately.
