25 static inline int notify_page_fault(struct pt_regs *regs, int trap)  in notify_page_fault()  argument
29 	if (kprobes_built_in() && !user_mode(regs)) {  in notify_page_fault()
31 		if (kprobe_running() && kprobe_fault_handler(regs, trap))  in notify_page_fault()
206 show_fault_oops(struct pt_regs *regs, unsigned long address)  in show_fault_oops()  argument
219 	printk_address(regs->pc, 1);  in show_fault_oops()
225 no_context(struct pt_regs *regs, unsigned long error_code,  in no_context()  argument
229 	if (fixup_exception(regs))  in no_context()
232 	if (handle_trapped_io(regs, address))  in no_context()
241 	show_fault_oops(regs, address);  in no_context()
243 	die("Oops", regs, error_code);  in no_context()
249 __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,  in __bad_area_nosemaphore()  argument
255 	if (user_mode(regs)) {  in __bad_area_nosemaphore()
266 	no_context(regs, error_code, address);  in __bad_area_nosemaphore()
270 bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,  in bad_area_nosemaphore()  argument
273 	__bad_area_nosemaphore(regs, error_code, address, SEGV_MAPERR);  in bad_area_nosemaphore()
277 __bad_area(struct pt_regs *regs, unsigned long error_code,  in __bad_area()  argument
288 	__bad_area_nosemaphore(regs, error_code, address, si_code);  in __bad_area()
292 bad_area(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in bad_area()  argument
294 	__bad_area(regs, error_code, address, SEGV_MAPERR);  in bad_area()
298 bad_area_access_error(struct pt_regs *regs, unsigned long error_code,  in bad_area_access_error()  argument
301 	__bad_area(regs, error_code, address, SEGV_ACCERR);  in bad_area_access_error()
305 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in do_sigbus()  argument
313 	if (!user_mode(regs))  in do_sigbus()
314 		no_context(regs, error_code, address);  in do_sigbus()
320 mm_fault_error(struct pt_regs *regs, unsigned long error_code,  in mm_fault_error()  argument
330 		if (!user_mode(regs))  in mm_fault_error()
331 			no_context(regs, error_code, address);  in mm_fault_error()
340 		if (!user_mode(regs)) {  in mm_fault_error()
342 			no_context(regs, error_code, address);  in mm_fault_error()
355 			do_sigbus(regs, error_code, address);  in mm_fault_error()
357 			bad_area(regs, error_code, address);  in mm_fault_error()
396 asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,  in do_page_fault()  argument
423 		if (notify_page_fault(regs, vec))  in do_page_fault()
426 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
430 	if (unlikely(notify_page_fault(regs, vec)))  in do_page_fault()
434 	if ((regs->sr & SR_IMASK) != SR_IMASK)  in do_page_fault()
437 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);  in do_page_fault()
444 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
453 		bad_area(regs, error_code, address);  in do_page_fault()
459 		bad_area(regs, error_code, address);  in do_page_fault()
463 		bad_area(regs, error_code, address);  in do_page_fault()
473 		bad_area_access_error(regs, error_code, address);  in do_page_fault()
479 	if (user_mode(regs))  in do_page_fault()
492 		if (mm_fault_error(regs, error_code, address, fault))  in do_page_fault()
499 				      regs, address);  in do_page_fault()
503 				      regs, address);  in do_page_fault()