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>
22 lines
720 B
C
22 lines
720 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef DIV_ROUND_UP
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#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
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#endif
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#define SIZEOF_MCOUNT_LOC_ENTRY 8
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#define SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE 24
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#define FTRACE_HOTPATCH_TRAMPOLINES_SIZE(n) \
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DIV_ROUND_UP(SIZEOF_FTRACE_HOTPATCH_TRAMPOLINE * (n), \
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SIZEOF_MCOUNT_LOC_ENTRY)
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#ifdef CONFIG_FUNCTION_TRACER
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#define FTRACE_HOTPATCH_TRAMPOLINES_TEXT \
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. = ALIGN(8); \
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__ftrace_hotpatch_trampolines_start = .; \
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. = . + FTRACE_HOTPATCH_TRAMPOLINES_SIZE(__stop_mcount_loc - \
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__start_mcount_loc); \
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__ftrace_hotpatch_trampolines_end = .;
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#else
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#define FTRACE_HOTPATCH_TRAMPOLINES_TEXT
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#endif
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