arm64: ftrace: fix a stack tracer's output under function graph tracer

[cascardo/linux.git] / arch / arm64 / kernel / time.c

diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index 6e5c521..5977969 100644 (file)
--- a/arch/arm64/kernel/time.c
+++ b/arch/arm64/kernel/time.c
@@ -52,6 +52,9 @@ unsigned long profile_pc(struct pt_regs *regs)
        frame.fp = regs->regs[29];
        frame.sp = regs->sp;
        frame.pc = regs->pc;
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+       frame.graph = -1; /* no task info */
+#endif
        do {
                int ret = unwind_frame(NULL, &frame);
                if (ret < 0)