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-rw-r--r--arch/powerpc/mm/fault.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index e7dae82c1285..26fb6b990b0a 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -40,7 +40,7 @@
40#include <asm/uaccess.h> 40#include <asm/uaccess.h>
41#include <asm/tlbflush.h> 41#include <asm/tlbflush.h>
42#include <asm/siginfo.h> 42#include <asm/siginfo.h>
43 43#include <mm/mmu_decl.h>
44 44
45#ifdef CONFIG_KPROBES 45#ifdef CONFIG_KPROBES
46static inline int notify_page_fault(struct pt_regs *regs) 46static inline int notify_page_fault(struct pt_regs *regs)
@@ -246,6 +246,12 @@ good_area:
246 goto bad_area; 246 goto bad_area;
247#endif /* CONFIG_6xx */ 247#endif /* CONFIG_6xx */
248#if defined(CONFIG_8xx) 248#if defined(CONFIG_8xx)
249 /* 8xx sometimes need to load a invalid/non-present TLBs.
250 * These must be invalidated separately as linux mm don't.
251 */
252 if (error_code & 0x40000000) /* no translation? */
253 _tlbil_va(address, 0, 0, 0);
254
249 /* The MPC8xx seems to always set 0x80000000, which is 255 /* The MPC8xx seems to always set 0x80000000, which is
250 * "undefined". Of those that can be set, this is the only 256 * "undefined". Of those that can be set, this is the only
251 * one which seems bad. 257 * one which seems bad.