mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-10-19 02:29:40 +00:00
Code Issues Releases Activity

riscv: Apply 8d7ee2047c to the riscv pmap

Browse Source 
Reviewed by:	alc
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D36840
This commit is contained in:
Mark Johnston 2022-10-04 12:49:36 -04:00
parent d7eec79b70
commit d5dc278eec
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sys/riscv/riscv/pmap.c
View File

@ -2105,12 +2105,13 @@ pmap_pv_promote_l2(pmap_t pmap, vm_offset_t va, vm_paddr_t pa,
vm_offset_t va_last;
rw_assert(&pvh_global_lock, RA_LOCKED);
KASSERT((va & L2_OFFSET) == 0,
("pmap_pv_promote_l2: misaligned va %#lx", va));
KASSERT((pa & L2_OFFSET) == 0,
("pmap_pv_promote_l2: misaligned pa %#lx", pa));
CHANGE_PV_LIST_LOCK_TO_PHYS(lockp, pa);
m = PHYS_TO_VM_PAGE(pa);
va = va & ~L2_OFFSET;
pv = pmap_pvh_remove(&m->md, pmap, va);
KASSERT(pv != NULL, ("pmap_pv_promote_l2: pv for %#lx not found", va));
pvh = pa_to_pvh(pa);
@ -2755,16 +2756,14 @@ pmap_demote_l2_locked(pmap_t pmap, pd_entry_t *l2, vm_offset_t va,
#if VM_NRESERVLEVEL > 0
static void
pmap_promote_l2(pmap_t pmap, pd_entry_t *l2, vm_offset_t va,
pmap_promote_l2(pmap_t pmap, pd_entry_t *l2, vm_offset_t va, vm_page_t ml3,
struct rwlock **lockp)
{
pt_entry_t *firstl3, firstl3e, *l3, l3e;
vm_paddr_t pa;
vm_page_t ml3;
PMAP_LOCK_ASSERT(pmap, MA_OWNED);
va &= ~L2_OFFSET;
KASSERT((pmap_load(l2) & PTE_RWX) == 0,
("pmap_promote_l2: invalid l2 entry %p", l2));
@ -2821,7 +2820,8 @@ pmap_promote_l2(pmap_t pmap, pd_entry_t *l2, vm_offset_t va,
pa += PAGE_SIZE;
}
ml3 = PHYS_TO_VM_PAGE(PTE_TO_PHYS(pmap_load(l2)));
if (ml3 == NULL)
ml3 = PHYS_TO_VM_PAGE(PTE_TO_PHYS(pmap_load(l2)));
KASSERT(ml3->pindex == pmap_l2_pindex(va),
("pmap_promote_l2: page table page's pindex is wrong"));
if (pmap_insert_pt_page(pmap, ml3, true)) {
@ -3107,7 +3107,7 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot,
pmap_ps_enabled(pmap) &&
(m->flags & PG_FICTITIOUS) == 0 &&
vm_reserv_level_iffullpop(m) == 0)
pmap_promote_l2(pmap, l2, va, &lock);
pmap_promote_l2(pmap, l2, va, mpte, &lock);
#endif
rv = KERN_SUCCESS;