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-rw-r--r--arch/powerpc/kernel/ftrace.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 5a4993fefa4..69ed4122346 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -51,10 +51,16 @@ notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr)
{
static unsigned int op;
+ /*
+ * It would be nice to just use create_function_call, but that will
+ * update the code itself. Here we need to just return the
+ * instruction that is going to be modified, without modifying the
+ * code.
+ */
addr = GET_ADDR(addr);
/* Set to "bl addr" */
- op = 0x48000001 | (ftrace_calc_offset(ip, addr) & 0x03fffffe);
+ op = 0x48000001 | (ftrace_calc_offset(ip, addr) & 0x03fffffc);
/*
* No locking needed, this must be called via kstop_machine