Changeset 346b12a2 in mainline for kernel/arch/mips32/src/mm/tlb.c

Timestamp:

2016-08-31T17:51:04Z (8 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

fb63c06

Parents:

38dc82d

Message:

Add page_mapping_update()

page_mapping_update() can be used to safely update the accessed and dirty
bits of a PTE in the actual page tables.

File:

• kernel/arch/mips32/src/mm/tlb.c (modified) (3 diffs)

kernel/arch/mips32/src/mm/tlb.c

@@ -111 +111 @@
                     pte.cacheable, pte.pfn);
 
+                page_mapping_update(AS, badvaddr, true, &pte);
+
                 /*
                  * New entry is to be inserted into TLB
@@ -176 +178 @@
                 tlb_prepare_entry_lo(&lo, pte.g, pte.p, pte.d,
                     pte.cacheable, pte.pfn);
+
+                page_mapping_update(AS, badvaddr, true, &pte);
 
                 /*
@@ -239 +243 @@
                 tlb_prepare_entry_lo(&lo, pte.g, pte.p, pte.w,
                     pte.cacheable, pte.pfn);
+
+                page_mapping_update(AS, badvaddr, true, &pte);
 
                 /*