arm64: perf: Fix callchain parse error with kernel tracepoint events

[mirror_ubuntu-zesty-kernel.git] / arch / arm64 / include / asm / perf_event.h

diff --git a/arch/arm64/include/asm/perf_event.h b/arch/arm64/include/asm/perf_event.h
index d26d1d53c0d706bbe14f8000558cc04bac2f2ad3..6471773db6fd8c067833ea92f647cca865e6fb4d 100644 (file)
--- a/arch/arm64/include/asm/perf_event.h
+++ b/arch/arm64/include/asm/perf_event.h
@@ -24,4 +24,11 @@ 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