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The page queue lock is already held in pmap_remove, change acquire/release

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to assertion of ownership.  Serves me right for not booting a witness
kernel.
This commit is contained in:
jake 2003-06-15 21:06:49 +00:00
parent d2fe2bf672
commit d84237dcb7
1 changed files with 2 additions and 2 deletions
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4
sys/sparc64/sparc64/pmap.c
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@ -1053,10 +1053,10 @@ pmap_remove_tte(struct pmap *pm, struct pmap *pm2, struct tte *tp,
vm_page_t m;
u_long data;
mtx_assert(&vm_page_queue_mtx, MA_OWNED);
data = atomic_readandclear_long(&tp->tte_data);
if ((data & TD_FAKE) == 0) {
m = PHYS_TO_VM_PAGE(TD_PA(data));
vm_page_lock_queues();
TAILQ_REMOVE(&m->md.tte_list, tp, tte_link);
if ((data & TD_WIRED) != 0)
pm->pm_stats.wired_count--;
@ -1070,7 +1070,6 @@ pmap_remove_tte(struct pmap *pm, struct pmap *pm2, struct tte *tp,
pm->pm_stats.resident_count--;
}
pmap_cache_remove(m, va);
vm_page_unlock_queues();
}
TTE_ZERO(tp);
if (PMAP_REMOVE_DONE(pm))
@ -1087,6 +1086,7 @@ pmap_remove(pmap_t pm, vm_offset_t start, vm_offset_t end)
struct tte *tp;
vm_offset_t va;
mtx_assert(&vm_page_queue_mtx, MA_OWNED);
CTR3(KTR_PMAP, "pmap_remove: ctx=%#lx start=%#lx end=%#lx",
pm->pm_context[PCPU_GET(cpuid)], start, end);
if (PMAP_REMOVE_DONE(pm))