[POWERPC] Added kprobes support to ppc32

Added kprobes to ppc32 platforms that have use single_step_exception.  This
excludes 4xx and anything Book-E since their debug mechanisms for single stepping
are completely different.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-powerpc/sstep.h b/include/asm-powerpc/sstep.h
index 630a9889c07c..f593b0f9b627 100644
--- a/include/asm-powerpc/sstep.h
+++ b/include/asm-powerpc/sstep.h
@@ -21,6 +21,7 @@ struct pt_regs;
  */
 #define IS_MTMSRD(instr)        (((instr) & 0xfc0007be) == 0x7c000124)
 #define IS_RFID(instr)          (((instr) & 0xfc0007fe) == 0x4c000024)
+#define IS_RFI(instr)           (((instr) & 0xfc0007fe) == 0x4c000064)
 
 /* Emulate instructions that cause a transfer of control. */
 extern int emulate_step(struct pt_regs *regs, unsigned int instr);