Re: [RFC v2 1/1] memory: Delete assertion in memory_region_unregister_iommu_notifier
On Tue, Jul 21, 2020 at 02:20:01PM +0800, Jason Wang wrote:
On 2020/7/20 下午9:03, Peter Xu wrote:
> On Mon, Jul 20, 2020 at 12:02:06PM +0800, Jason Wang wrote:
> > Right, so there's no need to deal with unmap in vtd's replay
implementation
> > (as what generic one did).
> We don't even for now; see vtd_page_walk_info.notify_unmap. Thanks,
Right, but I meant the vtd_address_space_unmap() in vtd_iomm_replay(). It
looks to me it will trigger UNMAP notifiers.
Should be pretty safe for now, but I agree it seems optional (as we've
discussed about this previously). Thanks,
--
Peter Xu