On Mon, Jul 24, 2023 at 11:36:47PM +1000, Alistair Popple wrote: > My primary issue with this patch is the notifier is called without the > PTL while providing a PTE value. Right, this is no-go. The PTE value must be protected by the PTLs at all times. We've made enough bugs already by being lazy with this in the past.. And I don't think the existing sequence locking helps make sense of this at all.. Jason