Changeset c868e2d in mainline for kernel/generic/src/mm/page.c

Timestamp:

2011-12-19T23:42:44Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

398e33be

Parents:

7aaed09

Message:

Add and apply page_mapping_make_global() on each span added to the
kernel non-identity. This ensures that the kernel non-identity will use
the same set of page tables in all address spaces.

File:

• kernel/generic/src/mm/page.c (modified) (1 diff)

kernel/generic/src/mm/page.c

@@ -178 +178 @@
 }
 
+/** Make the mapping shared by all page tables (not address spaces).
+ * 
+ * @param base Starting virtual address of the range that is made global.
+ * @param size Size of the address range that is made global.
+ */
+void page_mapping_make_global(uintptr_t base, size_t size)
+{
+        ASSERT(page_mapping_operations);
+        ASSERT(page_mapping_operations->mapping_make_global);
+        
+        return page_mapping_operations->mapping_make_global(base, size);
+}
+
 uintptr_t hw_map(uintptr_t physaddr, size_t size)
 {