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riscv: add an assert to pmap_remove_pages()

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Similar checks exist for both arm64 and amd64, but note that for amd64
it is a bare panic().

Reviewed by:	markj
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D36564
This commit is contained in:
Mitchell Horne 2022-08-25 17:08:20 -03:00
parent 9d1aef8402
commit 99fe523778
1 changed files with 4 additions and 0 deletions
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4
sys/riscv/riscv/pmap.c
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@ -3908,6 +3908,10 @@ pmap_remove_pages(pmap_t pmap)
ptepde = pmap_load(pte);
pte = pmap_l1_to_l2(pte, pv->pv_va);
tpte = pmap_load(pte);
KASSERT((tpte & PTE_V) != 0,
("L2 PTE is invalid... bogus PV entry? "
"va=%#lx, pte=%#lx", pv->pv_va, tpte));
if ((tpte & PTE_RWX) != 0) {
superpage = true;
} else {