Greg Kroah-Hartman
598cf27219
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>
36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_SYNC_CORE_H
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#define _LINUX_SYNC_CORE_H
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#ifdef CONFIG_ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
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#include <asm/sync_core.h>
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#else
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/*
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* This is a dummy sync_core_before_usermode() implementation that can be used
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* on all architectures which return to user-space through core serializing
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* instructions.
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* If your architecture returns to user-space through non-core-serializing
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* instructions, you need to write your own functions.
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*/
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static inline void sync_core_before_usermode(void)
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{
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}
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#endif
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#ifdef CONFIG_ARCH_HAS_PREPARE_SYNC_CORE_CMD
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#include <asm/sync_core.h>
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#else
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/*
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* This is a dummy prepare_sync_core_cmd() implementation that can be used on
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* all architectures which provide unconditional core serializing instructions
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* in switch_mm().
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* If your architecture doesn't provide such core serializing instructions in
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* switch_mm(), you may need to write your own functions.
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*/
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static inline void prepare_sync_core_cmd(struct mm_struct *mm)
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{
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}
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#endif
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#endif /* _LINUX_SYNC_CORE_H */
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