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>
20 lines
473 B
C
20 lines
473 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_EDAC_H
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#define _ASM_X86_EDAC_H
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/* ECC atomic, DMA, SMP and interrupt safe scrub function */
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static inline void edac_atomic_scrub(void *va, u32 size)
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{
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u32 i, *virt_addr = va;
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/*
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* Very carefully read and write to memory atomically so we
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* are interrupt, DMA and SMP safe.
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*/
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for (i = 0; i < size / 4; i++, virt_addr++)
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asm volatile("lock addl $0, %0"::"m" (*virt_addr));
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}
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#endif /* _ASM_X86_EDAC_H */
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