Index: sys/powerpc/powerpc/mem.c
===================================================================
--- sys/powerpc/powerpc/mem.c
+++ sys/powerpc/powerpc/mem.c
@@ -137,7 +137,8 @@
 		else if (dev2unit(dev) == CDEV_MINOR_KMEM) {
 			va = uio->uio_offset;
 
-			if ((va < VM_MIN_KERNEL_ADDRESS) || (va > virtual_end)) {
+			if (hw_direct_map &&
+			    ((va < VM_MIN_KERNEL_ADDRESS) || (va > virtual_end))) {
 				v = DMAP_TO_PHYS(va);
 				goto kmem_direct_mapped;
 			}
@@ -159,8 +160,9 @@
 			    ? VM_PROT_READ : VM_PROT_WRITE;
 
 			va = uio->uio_offset;
-			if (kernacc((void *) va, iov->iov_len, prot)
-			    == FALSE)
+
+			if (hw_direct_map &&
+			    kernacc((void *) va, iov->iov_len, prot) == FALSE)
 				return (EFAULT);
 
 			error = uiomove((void *)va, iov->iov_len, uio);