diff options
| -rw-r--r-- | arch/powerpc/kernel/trace/ftrace_mprofile.S | 4 |
1 files changed, 4 insertions, 0 deletions
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) |