--- zzzz-none-000/linux-3.10.107/arch/arm64/include/asm/perf_event.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm64/include/asm/perf_event.h	2021-02-04 17:41:59.000000000 +0000
@@ -17,11 +17,20 @@
 #ifndef __ASM_PERF_EVENT_H
 #define __ASM_PERF_EVENT_H
 
-#ifdef CONFIG_HW_PERF_EVENTS
+#include <asm/stack_pointer.h>
+
+#ifdef CONFIG_PERF_EVENTS
 struct pt_regs;
 extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
 extern unsigned long perf_misc_flags(struct pt_regs *regs);
 #define perf_misc_flags(regs)	perf_misc_flags(regs)
 #endif
 
+#define perf_arch_fetch_caller_regs(regs, __ip) { \
+	(regs)->pc = (__ip);    \
+	(regs)->regs[29] = (unsigned long) __builtin_frame_address(0); \
+	(regs)->sp = current_stack_pointer; \
+	(regs)->pstate = PSR_MODE_EL1h;	\
+}
+
 #endif