diff options
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r-- | arch/powerpc/mm/fault.c | 8 |
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 |
46 | static inline int notify_page_fault(struct pt_regs *regs) | 46 | static 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. |