1 files changed, 3 insertions, 1 deletions

diff --git a/include/asm-x86/ptrace-abi.h b/include/asm-x86/ptrace-abi.h
index bcf67044754c..b3b9e023afce 100644
--- a/include/asm-x86/ptrace-abi.h
+++ b/include/asm-x86/ptrace-abi.h
@@ -88,11 +88,13 @@ struct ptrace_bts_config {
         unsigned int size;
         /* bitmask of below flags */
         unsigned int flags;
+        /* buffer overflow signal */
+        unsigned int signal;
 };
 
 #define PTRACE_BTS_O_TRACE      0x1 /* branch trace */
 #define PTRACE_BTS_O_SCHED      0x2 /* scheduling events w/ jiffies */
-#define PTRACE_BTS_O_SIGNAL     0x4 /* send SIG? on buffer overflow
+#define PTRACE_BTS_O_SIGNAL     0x4 /* send SIG<signal> on buffer overflow
                                        instead of wrapping around */
 #define PTRACE_BTS_O_CUT_SIZE   0x8 /* cut requested size to max available
                                        instead of failing */