diff options
Diffstat (limited to 'arch/powerpc/kernel/swsusp_booke.S')
| -rw-r--r-- | arch/powerpc/kernel/swsusp_booke.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/swsusp_booke.S b/arch/powerpc/kernel/swsusp_booke.S index 11a3930..9503249 100644 --- a/arch/powerpc/kernel/swsusp_booke.S +++ b/arch/powerpc/kernel/swsusp_booke.S @@ -141,6 +141,19 @@ _GLOBAL(swsusp_arch_resume) lis r11,swsusp_save_area@h ori r11,r11,swsusp_save_area@l + /* + * The boot core get a virtual address, when the boot process, + * the virtual address corresponds to a physical address. After + * hibernation resume memory snapshots, The corresponding + * relationship between the virtual memory and physical memory + * might change again. We need to get a new page table. So we + * need to invalidate TLB after resume pages. + * + * Invalidations TLB Using tlbilx/tlbivax/MMUCSR0. + * tlbilx used here. + */ + bl _tlbil_all + lwz r4,SL_SPRG0(r11) mtsprg 0,r4 lwz r4,SL_SPRG1(r11) |