Index: head/sys/arm64/arm64/pmap.c =================================================================== --- head/sys/arm64/arm64/pmap.c +++ head/sys/arm64/arm64/pmap.c @@ -1228,9 +1228,8 @@ vm_offset_t off; vm_page_t m; int lvl; + bool use; - PMAP_ASSERT_STAGE1(pmap); - m = NULL; PMAP_LOCK(pmap); pte = pmap_pte(pmap, va, &lvl); @@ -1244,8 +1243,19 @@ (lvl < 3 && (tpte & ATTR_DESCR_MASK) == L1_BLOCK), ("pmap_extract_and_hold: Invalid pte at L%d: %lx", lvl, tpte & ATTR_DESCR_MASK)); - if (((tpte & ATTR_S1_AP_RW_BIT) == ATTR_S1_AP(ATTR_S1_AP_RW)) || - ((prot & VM_PROT_WRITE) == 0)) { + + use = false; + if ((prot & VM_PROT_WRITE) == 0) + use = true; + else if (pmap->pm_stage == PM_STAGE1 && + (tpte & ATTR_S1_AP_RW_BIT) == ATTR_S1_AP(ATTR_S1_AP_RW)) + use = true; + else if (pmap->pm_stage == PM_STAGE2 && + ((tpte & ATTR_S2_S2AP(ATTR_S2_S2AP_WRITE)) == + ATTR_S2_S2AP(ATTR_S2_S2AP_WRITE))) + use = true; + + if (use) { switch(lvl) { case 1: off = va & L1_OFFSET;