From 0c87bb0e872cbbad59a965fc67668364066aa85e Mon Sep 17 00:00:00 2001 From: Guo Ren Date: Mon, 31 Dec 2018 20:52:41 +0800 Subject: [PATCH] clocksource/drivers/c-sky: fixup ftrace call-graph panic We must add notrace on sched_clock_read, because it's called by ftrace_graph_caller. Signed-off-by: Guo Ren --- drivers/clocksource/timer-mp-csky.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-mp-csky.c b/drivers/clocksource/timer-mp-csky.c index 3cb6dbc88b6d..183a9955160a 100644 --- a/drivers/clocksource/timer-mp-csky.c +++ b/drivers/clocksource/timer-mp-csky.c @@ -97,7 +97,7 @@ static int csky_mptimer_dying_cpu(unsigned int cpu) /* * clock source */ -static u64 sched_clock_read(void) +static u64 notrace sched_clock_read(void) { return (u64)mfcr(PTIM_CCVR); }