diff options
Diffstat (limited to 'arch/arm/mm/fault.c')
-rw-r--r-- | arch/arm/mm/fault.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 0e417233dad7..890eeaac3cbb 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c | |||
@@ -27,28 +27,6 @@ | |||
27 | 27 | ||
28 | #ifdef CONFIG_MMU | 28 | #ifdef CONFIG_MMU |
29 | 29 | ||
30 | #ifdef CONFIG_KPROBES | ||
31 | static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr) | ||
32 | { | ||
33 | int ret = 0; | ||
34 | |||
35 | if (!user_mode(regs)) { | ||
36 | /* kprobe_running() needs smp_processor_id() */ | ||
37 | preempt_disable(); | ||
38 | if (kprobe_running() && kprobe_fault_handler(regs, fsr)) | ||
39 | ret = 1; | ||
40 | preempt_enable(); | ||
41 | } | ||
42 | |||
43 | return ret; | ||
44 | } | ||
45 | #else | ||
46 | static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr) | ||
47 | { | ||
48 | return 0; | ||
49 | } | ||
50 | #endif | ||
51 | |||
52 | /* | 30 | /* |
53 | * This is useful to dump out the page tables associated with | 31 | * This is useful to dump out the page tables associated with |
54 | * 'addr' in mm 'mm'. | 32 | * 'addr' in mm 'mm'. |
@@ -265,7 +243,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) | |||
265 | vm_fault_t fault; | 243 | vm_fault_t fault; |
266 | unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; | 244 | unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; |
267 | 245 | ||
268 | if (notify_page_fault(regs, fsr)) | 246 | if (kprobe_page_fault(regs, fsr)) |
269 | return 0; | 247 | return 0; |
270 | 248 | ||
271 | tsk = current; | 249 | tsk = current; |