[patch V4 02/36] rseq: Condense the inline stubs

Thomas Gleixner
2025-09-08T21:31:30Z

From: Thomas Gleixner <tglx@linutronix.de>

Scrolling over tons of pointless

{
}

lines to find the actual code is annoying at best.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Boqun Feng <boqun.feng@gmail.com>

---
include/linux/rseq.h | 47 ++++++++++++-----------------------------------
1 file changed, 12 insertions(+), 35 deletions(-)
---

--- a/include/linux/rseq.h
+++ b/include/linux/rseq.h
@@ -101,44 +101,21 @@ static inline void rseq_execve(struct ta
t->rseq_event_mask = 0;
}

-#else
-
-static inline void rseq_set_notify_resume(struct task_struct *t)
-{
-}
-static inline void rseq_handle_notify_resume(struct ksignal *ksig,
- struct pt_regs *regs)
-{
-}
-static inline void rseq_signal_deliver(struct ksignal *ksig,
- struct pt_regs *regs)
-{
-}
-static inline void rseq_preempt(struct task_struct *t)
-{
-}
-static inline void rseq_migrate(struct task_struct *t)
-{
-}
-static inline void rseq_fork(struct task_struct *t, unsigned long clone_flags)
-{
-}
-static inline void rseq_execve(struct task_struct *t)
-{
-}
+#else /* CONFIG_RSEQ */
+static inline void rseq_set_notify_resume(struct task_struct *t) { }
+static inline void rseq_handle_notify_resume(struct ksignal *ksig, struct pt_regs *regs) { }
+static inline void rseq_signal_deliver(struct ksignal *ksig, struct pt_regs *regs) { }
+static inline void rseq_preempt(struct task_struct *t) { }
+static inline void rseq_migrate(struct task_struct *t) { }
+static inline void rseq_fork(struct task_struct *t, unsigned long clone_flags) { }
+static inline void rseq_execve(struct task_struct *t) { }
static inline void rseq_exit_to_user_mode(void) { }
-#endif
+#endif /* !CONFIG_RSEQ */

#ifdef CONFIG_DEBUG_RSEQ
-
void rseq_syscall(struct pt_regs *regs);
-
-#else
-
-static inline void rseq_syscall(struct pt_regs *regs)
-{
-}
-
-#endif
+#else /* CONFIG_DEBUG_RSEQ */
+static inline void rseq_syscall(struct pt_regs *regs) { }
+#endif /* !CONFIG_DEBUG_RSEQ */

#endif /* _LINUX_RSEQ_H */