Changes in kernel/arch/sparc64/src/mm/sun4u/tlb.c [d70ebffe:560b81c] in mainline

File:

• kernel/arch/sparc64/src/mm/sun4u/tlb.c (modified) (6 diffs)

kernel/arch/sparc64/src/mm/sun4u/tlb.c

@@ -197 +197 @@
 {
         size_t index = (istate->tpc >> MMU_PAGE_WIDTH) % MMU_PAGES_PER_PAGE;
-        pte_t *t;
-
-        t = page_mapping_find(AS, istate->tpc, true);
-        if (t && PTE_EXECUTABLE(t)) {
+        pte_t t;
+
+        bool found = page_mapping_find(AS, istate->tpc, true, &t);
+        if (found && PTE_EXECUTABLE(&t)) {
+                ASSERT(t.p);
+
                 /*
                  * The mapping was found in the software page hash table.
                  * Insert it into ITLB.
                  */
-                t->a = true;
-                itlb_pte_copy(t, index);
+                t.a = true;
+                itlb_pte_copy(&t, index);
 #ifdef CONFIG_TSB
-                itsb_pte_copy(t, index);
-#endif
+                itsb_pte_copy(&t, index);
+#endif
+                page_mapping_update(AS, istate->tpc, true, &t);
         } else {
                 /*
@@ -233 +236 @@
         uintptr_t page_16k;
         size_t index;
-        pte_t *t;
+        pte_t t;
         as_t *as = AS;
 
@@ -253 +256 @@
         }
 
-        t = page_mapping_find(as, page_16k, true);
-        if (t) {
+        bool found = page_mapping_find(as, page_16k, true, &t);
+        if (found) {
+                ASSERT(t.p);
+
                 /*
                  * The mapping was found in the software page hash table.
                  * Insert it into DTLB.
                  */
-                t->a = true;
-                dtlb_pte_copy(t, index, true);
+                t.a = true;
+                dtlb_pte_copy(&t, index, true);
 #ifdef CONFIG_TSB
-                dtsb_pte_copy(t, index, true);
-#endif
+                dtsb_pte_copy(&t, index, true);
+#endif
+                page_mapping_update(as, page_16k, true, &t);
         } else {
                 /*
@@ -283 +289 @@
         uintptr_t page_16k;
         size_t index;
-        pte_t *t;
+        pte_t t;
         as_t *as = AS;
 
@@ -293 +299 @@
                 as = AS_KERNEL;
 
-        t = page_mapping_find(as, page_16k, true);
-        if (t && PTE_WRITABLE(t)) {
+        bool found = page_mapping_find(as, page_16k, true, &t);
+        if (found && PTE_WRITABLE(&t)) {
+                ASSERT(t.p);
+
                 /*
                  * The mapping was found in the software page hash table and is
@@ -300 +308 @@
                  * into DTLB.
                  */
-                t->a = true;
-                t->d = true;
+                t.a = true;
+                t.d = true;
                 dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_SECONDARY,
                     page_16k + index * MMU_PAGE_SIZE);
-                dtlb_pte_copy(t, index, false);
+                dtlb_pte_copy(&t, index, false);
 #ifdef CONFIG_TSB
-                dtsb_pte_copy(t, index, false);
-#endif
+                dtsb_pte_copy(&t, index, false);
+#endif
+                page_mapping_update(as, page_16k, true, &t);
         } else {
                 /*