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-rw-r--r--include/linux/ptrace.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 0d36750fc0f1..8b2749a259dc 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -51,6 +51,10 @@
#ifdef __KERNEL__
/*
* Ptrace flags
+ *
+ * The owner ship rules for task->ptrace which holds the ptrace
+ * flags is simple. When a task is running it owns it's task->ptrace
+ * flags. When the a task is stopped the ptracer owns task->ptrace.
*/
#define PT_PTRACED 0x00000001
@@ -84,7 +88,6 @@ extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __us
extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
extern int ptrace_attach(struct task_struct *tsk);
extern int ptrace_detach(struct task_struct *, unsigned int);
-extern void __ptrace_detach(struct task_struct *, unsigned int);
extern void ptrace_disable(struct task_struct *);
extern int ptrace_check_attach(struct task_struct *task, int kill);
extern int ptrace_request(struct task_struct *child, long request, long addr, long data);