Changes in kernel/arch/sparc64/src/mm/sun4v/tlb.c [9aed144:0ff03f3] in mainline

File:

• kernel/arch/sparc64/src/mm/sun4v/tlb.c (modified) (9 diffs)

kernel/arch/sparc64/src/mm/sun4v/tlb.c

@@ -218 +218 @@
         pte_t *t;
 
+        page_table_lock(AS, true);
         t = page_mapping_find(AS, va, true);
 
@@ -230 +231 @@
                 itsb_pte_copy(t);
 #endif
+                page_table_unlock(AS, true);
         } else {
                 /*
@@ -235 +237 @@
                  * handler.
                  */
+                page_table_unlock(AS, true);
                 if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
                         do_fast_instruction_access_mmu_miss_fault(istate,
@@ -271 +274 @@
         }
 
+        page_table_lock(AS, true);
         t = page_mapping_find(AS, va, true);
         if (t) {
@@ -282 +286 @@
                 dtsb_pte_copy(t, true);
 #endif
+                page_table_unlock(AS, true);
         } else {
                 /*
@@ -287 +292 @@
                  * handler.
                  */             
+                page_table_unlock(AS, true);
                 if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) {
                         do_fast_data_access_mmu_miss_fault(istate, page_and_ctx,
@@ -310 +316 @@
         uint16_t ctx = DMISS_CONTEXT(page_and_ctx);
 
+        page_table_lock(AS, true);
         t = page_mapping_find(AS, va, true);
         if (t && PTE_WRITABLE(t)) {
@@ -324 +331 @@
                 dtsb_pte_copy(t, false);
 #endif
+                page_table_unlock(AS, true);
         } else {
                 /*
@@ -329 +337 @@
                  * handler.
                  */             
+                page_table_unlock(AS, true);
                 if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) {
                         do_fast_data_access_protection_fault(istate, page_and_ctx,