On 22.01.2025 03:31, Josh Poimboeuf wrote:
diff --git a/include/linux/unwind_deferred.h b/include/linux/unwind_deferred.h
+#ifdef CONFIG_UNWIND_USER
+
+void unwind_task_init(struct task_struct *task);
+void unwind_task_free(struct task_struct *task);
+
+void unwind_deferred_init(struct unwind_work *work, unwind_callback_t func);
+int unwind_deferred_request(struct unwind_work *work, u64 *cookie);
+bool unwind_deferred_cancel(struct task_struct *task, struct unwind_work
*work);
+
+static __always_inline void unwind_enter_from_user_mode(void)
+{
+ current->unwind_info.cookie = 0;
+}
+
+#else /* !CONFIG_UNWIND_USER */
+
+static inline void unwind_task_init(struct task_struct *task) {}
+static inline void unwind_task_free(struct task_struct *task) {}
+
+static inline void unwind_deferred_init(struct unwind_work *work,
unwind_callback_t func) {}
+static inline int unwind_deferred_request(struct task_struct *task, struct
unwind_work *work, u64 *cookie) { return -ENOSYS; }
static inline int unwind_deferred_request(struct unwind_work *work, u64
*cookie) { return -ENOSYS; }
Otherwise this does not compile on architectures that do not enable
UNWIND_USER.
+static inline bool unwind_deferred_cancel(struct task_struct *task, struct
unwind_work *work) { return false; }
+
+static inline void unwind_enter_from_user_mode(void) {}
+
+#endif /* !CONFIG_UNWIND_USER */
Regards,
Jens
--
Jens Remus
Linux on Z Development (D3303)
+49-7031-16-1128 Office
jre...@de.ibm.com
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