[S390] ftrace: add dynamic ftrace support

Dynamic ftrace support for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 0af302ceac2d..cc8c484984e3 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -572,6 +572,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
         cpu_lowcore->cpu_nr = cpu;
         cpu_lowcore->kernel_asce = S390_lowcore.kernel_asce;
         cpu_lowcore->machine_flags = S390_lowcore.machine_flags;
+        cpu_lowcore->ftrace_func = S390_lowcore.ftrace_func;
         eieio();
 
         while (signal_processor(cpu, sigp_restart) == sigp_busy)