D36395.id109987.diff
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D36395.id109987.diff
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	diff --git a/sys/riscv/riscv/pmap.c b/sys/riscv/riscv/pmap.c
	--- a/sys/riscv/riscv/pmap.c
	+++ b/sys/riscv/riscv/pmap.c
	@@ -903,27 +903,25 @@
	pmap_extract(pmap_t pmap, vm_offset_t va)
	{
	pd_entry_t *l2p, l2;
	- pt_entry_t *l3p, l3;
	+ pt_entry_t *l3p;
	vm_paddr_t pa;

	pa = 0;
	- PMAP_LOCK(pmap);
	+
	/*
	- * Start with the l2 tabel. We are unable to allocate
	- * pages in the l1 table.
	+ * Start with an L2 lookup, L1 superpages are currently not implemented.
	*/
	+ PMAP_LOCK(pmap);
	l2p = pmap_l2(pmap, va);
	- if (l2p != NULL) {
	- l2 = pmap_load(l2p);
	- if ((l2 & PTE_RX) == 0) {
	+ if (l2p != NULL && ((l2 = (pmap_load(l2p))) & PTE_V) != 0) {
	+ if ((l2 & PTE_RWX) == 0) {
	l3p = pmap_l2_to_l3(l2p, va);
	if (l3p != NULL) {
	- l3 = pmap_load(l3p);
	- pa = PTE_TO_PHYS(l3);
	+ pa = PTE_TO_PHYS(pmap_load(l3p));
	pa \|= (va & L3_OFFSET);
	}
	} else {
	- /* L2 is superpages */
	+ /* L2 is a superpage mapping. */
	pa = L2PTE_TO_PHYS(l2);
	pa \|= (va & L2_OFFSET);
	}