memslot = &slots->memslots[log->slot];
memslot->dirty_bitmap = dirty_bitmap;
memslot->nr_dirty_pages = 0;
- slots->generation++;
+ update_memslots(slots, NULL);
old_slots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
void kvm_get_kvm(struct kvm *kvm);
void kvm_put_kvm(struct kvm *kvm);
+void update_memslots(struct kvm_memslots *slots, struct kvm_memory_slot *new);
static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
{
}
#endif /* !CONFIG_S390 */
+void update_memslots(struct kvm_memslots *slots, struct kvm_memory_slot *new)
+{
+ if (new) {
+ int id = new->id;
+
+ slots->memslots[id] = *new;
+ if (id >= slots->nmemslots)
+ slots->nmemslots = id + 1;
+ }
+
+ slots->generation++;
+}
+
/*
* Allocate some memory and give it an address in the guest physical address
* space.
GFP_KERNEL);
if (!slots)
goto out_free;
- if (mem->slot >= slots->nmemslots)
- slots->nmemslots = mem->slot + 1;
- slots->generation++;
slots->memslots[mem->slot].flags |= KVM_MEMSLOT_INVALID;
+ update_memslots(slots, NULL);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
GFP_KERNEL);
if (!slots)
goto out_free;
- if (mem->slot >= slots->nmemslots)
- slots->nmemslots = mem->slot + 1;
- slots->generation++;
/* actual memory is freed via old in kvm_free_physmem_slot below */
if (!npages) {
new.lpage_info[i] = NULL;
}
- slots->memslots[mem->slot] = new;
+ update_memslots(slots, &new);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);