Changeset 6e2bf29 in mainline for kernel/arch/ppc32/src/mm/page.c

Timestamp:

2010-05-31T19:09:07Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

b0b2ac1

Parents:

e3ce39b

Message:

Lock the page tables before working with them on ppc32.

File:

• kernel/arch/ppc32/src/mm/page.c (modified) (1 diff)

kernel/arch/ppc32/src/mm/page.c

@@ -54 +54 @@
         uintptr_t virtaddr = PA2KA(last_frame);
         pfn_t i;
+        page_table_lock(AS_KERNEL, true);
         for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
                 page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i),
                     physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
+        page_table_unlock(AS_KERNEL, true);
         
         last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);