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authorThomas Gleixner <tglx@linutronix.de>2014-07-16 21:57:38 +0200
committerThomas Gleixner <tglx@linutronix.de>2014-07-16 21:57:38 +0200
commitafdb094380889222583df9ef803587f6b8a82c8d (patch)
tree4a03c516568e5c8b994a5739f3d34f4552c78898 /include/linux/ptrace.h
parentbe11e6d86081aa6328eaa4fe6dd14ccf39a023c8 (diff)
parent1795cd9b3a91d4b5473c97f491d63892442212ab (diff)
Merge tag 'v3.16-rc5' into timers/core
Reason: Bring in upstream modifications, so the pending changes which depend on them can be queued.
Diffstat (limited to 'include/linux/ptrace.h')
-rw-r--r--include/linux/ptrace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 077904c8b70d..cc79eff4a1ad 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -334,6 +334,9 @@ static inline void user_single_step_siginfo(struct task_struct *tsk,
* calling arch_ptrace_stop() when it would be superfluous. For example,
* if the thread has not been back to user mode since the last stop, the
* thread state might indicate that nothing needs to be done.
+ *
+ * This is guaranteed to be invoked once before a task stops for ptrace and
+ * may include arch-specific operations necessary prior to a ptrace stop.
*/
#define arch_ptrace_stop_needed(code, info) (0)
#endif