26 static inline int notify_page_fault(struct pt_regs *regs, int trap)  in notify_page_fault()  argument
30 	if (kprobes_built_in() && !user_mode(regs)) {  in notify_page_fault()
32 		if (kprobe_running() && kprobe_fault_handler(regs, trap))  in notify_page_fault()
207 show_fault_oops(struct pt_regs *regs, unsigned long address)  in show_fault_oops()  argument
220 	printk_address(regs->pc, 1);  in show_fault_oops()
226 no_context(struct pt_regs *regs, unsigned long error_code,  in no_context()  argument
230 	if (fixup_exception(regs))  in no_context()
233 	if (handle_trapped_io(regs, address))  in no_context()
242 	show_fault_oops(regs, address);  in no_context()
244 	die("Oops", regs, error_code);  in no_context()
250 __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,  in __bad_area_nosemaphore()  argument
256 	if (user_mode(regs)) {  in __bad_area_nosemaphore()
267 	no_context(regs, error_code, address);  in __bad_area_nosemaphore()
271 bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,  in bad_area_nosemaphore()  argument
274 	__bad_area_nosemaphore(regs, error_code, address, SEGV_MAPERR);  in bad_area_nosemaphore()
278 __bad_area(struct pt_regs *regs, unsigned long error_code,  in __bad_area()  argument
289 	__bad_area_nosemaphore(regs, error_code, address, si_code);  in __bad_area()
293 bad_area(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in bad_area()  argument
295 	__bad_area(regs, error_code, address, SEGV_MAPERR);  in bad_area()
299 bad_area_access_error(struct pt_regs *regs, unsigned long error_code,  in bad_area_access_error()  argument
302 	__bad_area(regs, error_code, address, SEGV_ACCERR);  in bad_area_access_error()
306 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in do_sigbus()  argument
314 	if (!user_mode(regs))  in do_sigbus()
315 		no_context(regs, error_code, address);  in do_sigbus()
321 mm_fault_error(struct pt_regs *regs, unsigned long error_code,  in mm_fault_error()  argument
331 		if (!user_mode(regs))  in mm_fault_error()
332 			no_context(regs, error_code, address);  in mm_fault_error()
341 		if (!user_mode(regs)) {  in mm_fault_error()
343 			no_context(regs, error_code, address);  in mm_fault_error()
356 			do_sigbus(regs, error_code, address);  in mm_fault_error()
358 			bad_area(regs, error_code, address);  in mm_fault_error()
397 asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,  in do_page_fault()  argument
424 		if (notify_page_fault(regs, vec))  in do_page_fault()
427 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
431 	if (unlikely(notify_page_fault(regs, vec)))  in do_page_fault()
435 	if ((regs->sr & SR_IMASK) != SR_IMASK)  in do_page_fault()
438 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);  in do_page_fault()
445 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
454 		bad_area(regs, error_code, address);  in do_page_fault()
460 		bad_area(regs, error_code, address);  in do_page_fault()
464 		bad_area(regs, error_code, address);  in do_page_fault()
474 		bad_area_access_error(regs, error_code, address);  in do_page_fault()
480 	if (user_mode(regs))  in do_page_fault()
493 		if (mm_fault_error(regs, error_code, address, fault))  in do_page_fault()
500 				      regs, address);  in do_page_fault()
504 				      regs, address);  in do_page_fault()