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The branch stable/13 has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=25878310adcbb361b31bc89b34f744c0c5a29bb1 commit 25878310adcbb361b31bc89b34f744c0c5a29bb1 Author: Bjoern A. Zeeb <bz@FreeBSD.org> AuthorDate: 2024-04-02 09:30:49 +0000 Commit: Bjoern A. Zeeb <bz@FreeBSD.org> CommitDate: 2024-06-12 16:57:01 +0000 LinuxKPI: implement memzero_explicit() Sponsored by: The FreeBSD Foundation Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D44586 (cherry picked from commit 218b2ccf8cc90698487515c681f3e3453b0dcead) --- sys/compat/linuxkpi/common/include/linux/string.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index f745c2f6d343..06dcdbd97663 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -273,4 +273,11 @@ memcpy_and_pad(void *dst, size_t dstlen, const void *src, size_t len, int ch) memset(_ptr + _o, _c, sizeof(*(ptr)) - _o); \ }) +static inline void +memzero_explicit(void *p, size_t s) +{ + memset(p, 0, s); + __asm__ __volatile__("": :"r"(p) :"memory"); +} + #endif /* _LINUXKPI_LINUX_STRING_H_ */
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