microblaze: Define tlb_flush macro

This fix remove bug which we had till now in all
Microblaze MMU code. Primary tested on mmap01 LTP test.
We forget to flush invalid tlb which were changed - we
used them and there were wrong old data which wasn't correct.

Signed-off-by: Michal Simek <monstr@monstr.eu>

diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h
index c472d280113285780afb447948ff543bb6a57fd9..e8abd4a0349c381f45d1daeb7972db0235fd3e12 100644 (file)
--- a/arch/microblaze/include/asm/tlb.h
+++ b/arch/microblaze/include/asm/tlb.h
@@ -11,7 +11,7 @@
 #ifndef _ASM_MICROBLAZE_TLB_H
 #define _ASM_MICROBLAZE_TLB_H
 
-#define tlb_flush(tlb) do {} while (0)
+#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
 
 #include <asm-generic/tlb.h>