return young;
}
-#ifdef MMU_DEBUG
-static int is_empty_shadow_page(u64 *spt)
+static void kvm_mmu_check_sptes_at_free(struct kvm_mmu_page *sp)
{
+#ifdef MMU_DEBUG
int i;
for (i = 0; i < SPTE_ENT_PER_PAGE; i++) {
- if (is_shadow_present_pte(spt[i])) {
- printk(KERN_ERR "%s: %p %llx\n", __func__,
- &spt[i], spt[i]);
- return 0;
- }
+ if (MMU_WARN_ON(is_shadow_present_pte(sp->spt[i])))
+ pr_err_ratelimited("SPTE %llx (@ %p) for gfn %llx shadow-present at free",
+ sp->spt[i], &sp->spt[i],
+ kvm_mmu_page_get_gfn(sp, i));
}
- return 1;
-}
#endif
+}
/*
* This value is the sum of all of the kvm instances's
static void kvm_mmu_free_shadow_page(struct kvm_mmu_page *sp)
{
- MMU_WARN_ON(!is_empty_shadow_page(sp->spt));
+ kvm_mmu_check_sptes_at_free(sp);
+
hlist_del(&sp->hash_link);
list_del(&sp->link);
free_page((unsigned long)sp->spt);