kern: implement improved [new page tables are zero] invariant

2021-06-17 13:03:46 -07:00
parent 25305257d6
commit 4892ffae15
5 changed files with 33 additions and 12 deletions
--- a/libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
+++ b/libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
@@ -107,8 +107,11 @@ namespace ams::kern {
                    Node *Peek() const { return m_root; }

                    Node *Pop() {
-                        Node *r = m_root;
-                        m_root  = m_root->m_next;
+                        Node * const r = m_root;
+
+                        m_root    = r->m_next;
+                        r->m_next = nullptr;
+
                        return r;
                    }
            };