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| author | Jens Axboe <axboe@kernel.dk> | 2020-10-09 16:04:39 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-12-12 09:17:38 -0700 |
| commit | e296dc4996b8094ccde45d19090d804c4103513e (patch) | |
| tree | 3250ce40eeacd53f12b495b3d8942976dc41eca0 | |
| parent | 98b89b649fce39dacb9dc036d6d0fdb8caff73f7 (diff) | |
| download | linux-e296dc4996b8094ccde45d19090d804c4103513e.tar.bz2 | |
kernel: remove checking for TIF_NOTIFY_SIGNAL
It's available everywhere now, no need to check or add dummy defines.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | include/linux/entry-common.h | 4 | ||||
| -rw-r--r-- | include/linux/sched/signal.h | 2 | ||||
| -rw-r--r-- | include/linux/tracehook.h | 4 | ||||
| -rw-r--r-- | kernel/signal.c | 2 |
4 files changed, 0 insertions, 12 deletions
diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index b9711e813ec2..abec3a5ae799 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -37,10 +37,6 @@ # define _TIF_UPROBE (0) #endif -#ifndef _TIF_NOTIFY_SIGNAL -# define _TIF_NOTIFY_SIGNAL (0) -#endif - /* * TIF flags handled in syscall_enter_from_user_mode() */ diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index bd5afa076189..24b7b862e043 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -360,7 +360,6 @@ static inline int task_sigpending(struct task_struct *p) static inline int signal_pending(struct task_struct *p) { -#if defined(TIF_NOTIFY_SIGNAL) /* * TIF_NOTIFY_SIGNAL isn't really a signal, but it requires the same * behavior in terms of ensuring that we break out of wait loops @@ -368,7 +367,6 @@ static inline int signal_pending(struct task_struct *p) */ if (unlikely(test_tsk_thread_flag(p, TIF_NOTIFY_SIGNAL))) return 1; -#endif return task_sigpending(p); } diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index f7d82e4fafd6..ee9ab7dbc8c3 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -205,12 +205,10 @@ static inline void tracehook_notify_resume(struct pt_regs *regs) */ static inline void tracehook_notify_signal(void) { -#if defined(TIF_NOTIFY_SIGNAL) clear_thread_flag(TIF_NOTIFY_SIGNAL); smp_mb__after_atomic(); if (current->task_works) task_work_run(); -#endif } /* @@ -218,11 +216,9 @@ static inline void tracehook_notify_signal(void) */ static inline void set_notify_signal(struct task_struct *task) { -#if defined(TIF_NOTIFY_SIGNAL) if (!test_and_set_tsk_thread_flag(task, TIF_NOTIFY_SIGNAL) && !wake_up_state(task, TASK_INTERRUPTIBLE)) kick_process(task); -#endif } #endif /* <linux/tracehook.h> */ diff --git a/kernel/signal.c b/kernel/signal.c index cf8b057ca2ac..ccd530509201 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2535,14 +2535,12 @@ bool get_signal(struct ksignal *ksig) * that the arch handlers don't all have to do it. If we get here * without TIF_SIGPENDING, just exit after running signal work. */ -#ifdef TIF_NOTIFY_SIGNAL if (!IS_ENABLED(CONFIG_GENERIC_ENTRY)) { if (test_thread_flag(TIF_NOTIFY_SIGNAL)) tracehook_notify_signal(); if (!task_sigpending(current)) return false; } -#endif if (unlikely(uprobe_deny_signal())) return false; |