49 static struct kvm_s390_sie_block *sie_block(struct pt_regs *regs)  in sie_block()  argument
51 	struct stack_frame *stack = (struct stack_frame *) regs->gprs[15];  in sie_block()
59 static bool is_in_guest(struct pt_regs *regs)  in is_in_guest()  argument
61 	if (user_mode(regs))  in is_in_guest()
64 	return instruction_pointer(regs) == (unsigned long) &sie_exit;  in is_in_guest()
70 static unsigned long guest_is_user_mode(struct pt_regs *regs)  in guest_is_user_mode()  argument
72 	return sie_block(regs)->gpsw.mask & PSW_MASK_PSTATE;  in guest_is_user_mode()
75 static unsigned long instruction_pointer_guest(struct pt_regs *regs)  in instruction_pointer_guest()  argument
77 	return sie_block(regs)->gpsw.addr & PSW_ADDR_INSN;  in instruction_pointer_guest()
80 unsigned long perf_instruction_pointer(struct pt_regs *regs)  in perf_instruction_pointer()  argument
82 	return is_in_guest(regs) ? instruction_pointer_guest(regs)  in perf_instruction_pointer()
83 				 : instruction_pointer(regs);  in perf_instruction_pointer()
86 static unsigned long perf_misc_guest_flags(struct pt_regs *regs)  in perf_misc_guest_flags()  argument
88 	return guest_is_user_mode(regs) ? PERF_RECORD_MISC_GUEST_USER  in perf_misc_guest_flags()
92 static unsigned long perf_misc_flags_sf(struct pt_regs *regs)  in perf_misc_flags_sf()  argument
97 	sde_regs = (struct perf_sf_sde_regs *) &regs->int_parm_long;  in perf_misc_flags_sf()
99 		flags = user_mode(regs) ? PERF_RECORD_MISC_GUEST_USER  in perf_misc_flags_sf()
102 		flags = user_mode(regs) ? PERF_RECORD_MISC_USER  in perf_misc_flags_sf()
107 unsigned long perf_misc_flags(struct pt_regs *regs)  in perf_misc_flags()  argument
113 	if (regs->int_code == 0x1407 && regs->int_parm == CPU_MF_INT_SF_PRA)  in perf_misc_flags()
114 		if (!regs->gprs[15])  in perf_misc_flags()
115 			return perf_misc_flags_sf(regs);  in perf_misc_flags()
117 	if (is_in_guest(regs))  in perf_misc_flags()
118 		return perf_misc_guest_flags(regs);  in perf_misc_flags()
120 	return user_mode(regs) ? PERF_RECORD_MISC_USER  in perf_misc_flags()
231 	struct pt_regs *regs;  in __store_trace()  local
253 		if (sp <= low || sp > high - sizeof(*regs))  in __store_trace()
255 		regs = (struct pt_regs *) sp;  in __store_trace()
258 		sp = regs->gprs[15];  in __store_trace()
263 			   struct pt_regs *regs)  in perf_callchain_kernel()  argument
268 	if (user_mode(regs))  in perf_callchain_kernel()
271 	head = regs->gprs[15];  in perf_callchain_kernel()