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>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __ASM_CSKY_JUMP_LABEL_H
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#define __ASM_CSKY_JUMP_LABEL_H
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#ifndef __ASSEMBLER__
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#include <linux/types.h>
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#define JUMP_LABEL_NOP_SIZE 4
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static __always_inline bool arch_static_branch(struct static_key *key,
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bool branch)
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{
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asm goto(
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"1: nop32 \n"
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" .pushsection __jump_table, \"aw\" \n"
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" .align 2 \n"
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" .long 1b - ., %l[label] - . \n"
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" .long %0 - . \n"
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" .popsection \n"
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: : "i"(&((char *)key)[branch]) : : label);
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return false;
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label:
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return true;
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}
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static __always_inline bool arch_static_branch_jump(struct static_key *key,
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bool branch)
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{
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asm goto(
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"1: bsr32 %l[label] \n"
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" .pushsection __jump_table, \"aw\" \n"
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" .align 2 \n"
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" .long 1b - ., %l[label] - . \n"
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" .long %0 - . \n"
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" .popsection \n"
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: : "i"(&((char *)key)[branch]) : : label);
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return false;
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label:
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return true;
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}
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enum jump_label_type;
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void arch_jump_label_transform_static(struct jump_entry *entry,
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enum jump_label_type type);
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#define arch_jump_label_transform_static arch_jump_label_transform_static
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#endif /* __ASSEMBLER__ */
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#endif /* __ASM_CSKY_JUMP_LABEL_H */
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