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>
32 lines
744 B
C
32 lines
744 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_IOREMAP_H
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#define _LINUX_IOREMAP_H
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#include <linux/kasan.h>
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#include <asm/pgtable.h>
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#include <asm/vmalloc.h>
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#if defined(CONFIG_HAS_IOMEM) || defined(CONFIG_GENERIC_IOREMAP)
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/*
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* Ioremap often, but not always uses the generic vmalloc area. E.g on
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* Power ARCH, it could have different ioremap space.
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*/
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#ifndef IOREMAP_START
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#define IOREMAP_START VMALLOC_START
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#define IOREMAP_END VMALLOC_END
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#endif
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static inline bool is_ioremap_addr(const void *x)
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{
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unsigned long addr = (unsigned long)kasan_reset_tag(x);
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return addr >= IOREMAP_START && addr < IOREMAP_END;
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}
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#else
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static inline bool is_ioremap_addr(const void *x)
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{
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return false;
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}
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#endif
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#endif /* _LINUX_IOREMAP_H */
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