30 lines
802 B
C
30 lines
802 B
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _LINUX_LIVEPATCH_SCHED_H_
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#define _LINUX_LIVEPATCH_SCHED_H_
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#include <linux/jump_label.h>
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#include <linux/static_call_types.h>
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#ifdef CONFIG_LIVEPATCH
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void __klp_sched_try_switch(void);
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#if !defined(CONFIG_PREEMPT_DYNAMIC) || !defined(CONFIG_HAVE_PREEMPT_DYNAMIC_CALL)
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DECLARE_STATIC_KEY_FALSE(klp_sched_try_switch_key);
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static __always_inline void klp_sched_try_switch(void)
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{
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if (static_branch_unlikely(&klp_sched_try_switch_key))
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__klp_sched_try_switch();
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}
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#endif /* !CONFIG_PREEMPT_DYNAMIC || !CONFIG_HAVE_PREEMPT_DYNAMIC_CALL */
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#else /* !CONFIG_LIVEPATCH */
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static inline void klp_sched_try_switch(void) {}
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static inline void __klp_sched_try_switch(void) {}
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#endif /* CONFIG_LIVEPATCH */
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#endif /* _LINUX_LIVEPATCH_SCHED_H_ */
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