29  * @parent: pointer to the parent gmap
37  * Context: Called with parent->shadow_lock held
39 static struct gmap *gmap_find_shadow(struct gmap *parent, unsigned long asce, int edat_level)  in gmap_find_shadow()  argument
43 	lockdep_assert_held(&parent->shadow_lock);  in gmap_find_shadow()
44 	list_for_each_entry(sg, &parent->children, list) {  in gmap_find_shadow()
57  * @parent: pointer to the parent gmap
68  * parent gmap table could not be protected.
70 struct gmap *gmap_shadow(struct gmap *parent, unsigned long asce, int edat_level)  in gmap_shadow()  argument
76 	if (KVM_BUG_ON(parent->mm->context.allow_gmap_hpage_1m, (struct kvm *)parent->private) ||  in gmap_shadow()
77 	    KVM_BUG_ON(gmap_is_shadow(parent), (struct kvm *)parent->private))  in gmap_shadow()
79 	spin_lock(&parent->shadow_lock);  in gmap_shadow()
80 	sg = gmap_find_shadow(parent, asce, edat_level);  in gmap_shadow()
81 	spin_unlock(&parent->shadow_lock);  in gmap_shadow()
91 	new->mm = parent->mm;  in gmap_shadow()
92 	new->parent = gmap_get(parent);  in gmap_shadow()
93 	new->private = parent->private;  in gmap_shadow()
97 	spin_lock(&parent->shadow_lock);  in gmap_shadow()
99 	sg = gmap_find_shadow(parent, asce, edat_level);  in gmap_shadow()
101 		spin_unlock(&parent->shadow_lock);  in gmap_shadow()
107 		list_for_each_entry(sg, &parent->children, list) {  in gmap_shadow()
119 	list_add(&new->list, &parent->children);  in gmap_shadow()
123 		spin_unlock(&parent->shadow_lock);  in gmap_shadow()
126 	spin_unlock(&parent->shadow_lock);  in gmap_shadow()
128 	mmap_read_lock(parent->mm);  in gmap_shadow()
129 	rc = __kvm_s390_mprotect_many(parent, asce & _ASCE_ORIGIN,  in gmap_shadow()
132 	mmap_read_unlock(parent->mm);  in gmap_shadow()
133 	spin_lock(&parent->shadow_lock);  in gmap_shadow()
140 	spin_unlock(&parent->shadow_lock);  in gmap_shadow()