Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[safe/jmp/linux-2.6] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index d4646ae..d139966 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -97,8 +97,8 @@ struct exec_domain;
 struct futex_pi_state;
 struct robust_list_head;
 struct bio;
-struct bts_tracer;
 struct fs_struct;
+struct bts_context;
 
 /*
  * List of flags we want to share for kernel threads,
@@ -1230,18 +1230,11 @@ 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;
-       /*
-        * The buffer to hold the BTS data.
-        */
-       void *bts_buffer;
-       size_t bts_size;
-#endif /* CONFIG_X86_PTRACE_BTS */
+       struct bts_context *bts;
 
        /* PID/PID hash table linkage. */
        struct pid_link pids[PIDTYPE_MAX];
@@ -1449,7 +1442,9 @@ struct task_struct {
 #ifdef CONFIG_TRACING
        /* state flags for use by tracers */
        unsigned long trace;
-#endif
+       /* bitmask of trace recursion */
+       unsigned long trace_recursion;
+#endif /* CONFIG_TRACING */
 };
 
 /* Future-safe accessor for struct task_struct's cpus_allowed. */
@@ -2022,8 +2017,10 @@ extern void set_task_comm(struct task_struct *tsk, char *from);
 extern char *get_task_comm(char *to, struct task_struct *tsk);
 
 #ifdef CONFIG_SMP
+extern void wait_task_context_switch(struct task_struct *p);
 extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
 #else
+static inline void wait_task_context_switch(struct task_struct *p) {}
 static inline unsigned long wait_task_inactive(struct task_struct *p,
                                               long match_state)
 {