Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
26 lines
670 B
C
26 lines
670 B
C
/* 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/sched.h>
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#ifdef CONFIG_LIVEPATCH
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void __klp_sched_try_switch(void);
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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(struct task_struct *curr)
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{
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if (static_branch_unlikely(&klp_sched_try_switch_key) &&
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READ_ONCE(curr->__state) & TASK_FREEZABLE)
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__klp_sched_try_switch();
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}
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#else /* !CONFIG_LIVEPATCH */
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static inline void klp_sched_try_switch(struct task_struct *curr) {}
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#endif /* CONFIG_LIVEPATCH */
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#endif /* _LINUX_LIVEPATCH_SCHED_H_ */
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