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-rw-r--r--include/linux/sched.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index bee1e93c95a..a9780eaa673 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -96,6 +96,7 @@ struct exec_domain;
struct futex_pi_state;
struct robust_list_head;
struct bio;
+struct bts_tracer;
/*
* List of flags we want to share for kernel threads,
@@ -1161,6 +1162,14 @@ struct task_struct {
struct list_head ptraced;
struct list_head ptrace_entry;
+#ifdef CONFIG_X86_PTRACE_BTS
+ /*
+ * This is the tracer handle for the ptrace BTS extension.
+ * This field actually belongs to the ptracer task.
+ */
+ struct bts_tracer *bts;
+#endif /* CONFIG_X86_PTRACE_BTS */
+
/* PID/PID hash table linkage. */
struct pid_link pids[PIDTYPE_MAX];
struct list_head thread_group;