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-rw-r--r--arch/s390/kernel/ftrace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 04a3e88c58d7..e416aaaaf524 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -268,12 +268,14 @@ NOKPROBE_SYMBOL(prepare_ftrace_return);
int ftrace_enable_ftrace_graph_caller(void)
{
brcl_disable(ftrace_graph_caller);
+ text_poke_sync_lock();
return 0;
}
int ftrace_disable_ftrace_graph_caller(void)
{
brcl_enable(ftrace_graph_caller);
+ text_poke_sync_lock();
return 0;
}