threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_USER_RETURN_NOTIFIER_H
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#define _LINUX_USER_RETURN_NOTIFIER_H
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#ifdef CONFIG_USER_RETURN_NOTIFIER
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#include <linux/list.h>
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#include <linux/sched.h>
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struct user_return_notifier {
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void (*on_user_return)(struct user_return_notifier *urn);
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struct hlist_node link;
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};
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void user_return_notifier_register(struct user_return_notifier *urn);
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void user_return_notifier_unregister(struct user_return_notifier *urn);
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static inline void propagate_user_return_notify(struct task_struct *prev,
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struct task_struct *next)
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{
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if (test_tsk_thread_flag(prev, TIF_USER_RETURN_NOTIFY)) {
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clear_tsk_thread_flag(prev, TIF_USER_RETURN_NOTIFY);
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set_tsk_thread_flag(next, TIF_USER_RETURN_NOTIFY);
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}
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}
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void fire_user_return_notifiers(void);
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static inline void clear_user_return_notifier(struct task_struct *p)
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{
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clear_tsk_thread_flag(p, TIF_USER_RETURN_NOTIFY);
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}
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#else
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struct user_return_notifier {};
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static inline void propagate_user_return_notify(struct task_struct *prev,
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struct task_struct *next)
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{
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}
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static inline void fire_user_return_notifiers(void) {}
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static inline void clear_user_return_notifier(struct task_struct *p) {}
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#endif
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#endif
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