diff --git a/arch/powerpc/kernel/trace/ftrace_mprofile.S b/arch/powerpc/kernel/trace/ftrace_mprofile.S
index 56da60e98327..8443902d5a05 100644
--- a/arch/powerpc/kernel/trace/ftrace_mprofile.S
+++ b/arch/powerpc/kernel/trace/ftrace_mprofile.S
@@ -173,6 +173,10 @@ _GLOBAL(ftrace_caller)
 	beq	ftrace_no_trace
 #endif
 
+	/* Save previous stack pointer (r1) */
+	addi	r8, r1, SWITCH_FRAME_SIZE
+	PPC_STL	r8, GPR1(r1)
+
 	/* Get the _mcount() call site out of LR */
 	mflr	r7
 	PPC_STL     r7, _NIP(r1)