On Thu, Jul 24, 2014 at 04:35:38PM +0200, Joerg Roedel wrote: > To solve this situation I wrote a patch-set to introduce a > new notifier call-back: mmu_notifer_invalidate_range(). This > notifier lifts the strict requirements that no new > references are taken in the range between _start() and > _end(). When the subsystem can't guarantee that any new > references are taken is has to provide the > invalidate_range() call-back to clear any new references in > there. > > It is called between invalidate_range_start() and _end() > every time the VMM has to wipe out any references to a > couple of pages. This are usually the places where the CPU > TLBs are flushed too and where its important that this > happens before invalidate_range_end() is called. > > Any comments and review appreciated!
Reviewed-by: Andrea Arcangeli <aarca...@redhat.com> _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
