Sync with NetBSD: In kvm_uncache(), turn off the PTE cache bit even after calling pv_changepte(). Reason: the managed() macro does not take into account the gap in the managed pages range that may have been introduced by the page table allocation in bootstrap().
Sync with NetBSD:
In kvm_uncache(), turn off the PTE cache bit even after calling
pv_changepte(). Reason: the managed() macro does not take into
account the gap in the managed pages range that may have been introduced
by the page table allocation in bootstrap().

Don't bzero() the IO page table; it is fully initialized in iommu_attach().

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars