m68k: runtime patching infrastructure

Add the basic infrastructure to allow runtime patching of kernel and modules
to optimize a few functions with parameters, which are only calculated once
during bootup and are otherwise constant.  Use this for the conversion between
virtual and physical addresses.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index afcccdc6ad45..98ef00547b37 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -222,6 +222,9 @@ void __init paging_init(void)
                         pgprot_val(protection_map[i]) |= _PAGE_CACHE040;
         }
 
+        module_fixup(NULL, __start_fixup, __stop_fixup);
+        flush_icache();
+
         /*
          * Map the physical memory available into the kernel virtual
          * address space.  It may allocate some memory for page