git: 4242e224e6b7 - stable/14 - LinuxKPI: Add get_random_u32_below function
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Date: Thu, 01 Aug 2024 22:27:23 UTC
The branch stable/14 has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=4242e224e6b7d00020a9fcee9bc020d0816630df commit 4242e224e6b7d00020a9fcee9bc020d0816630df Author: Vladimir Kondratyev <wulf@FreeBSD.org> AuthorDate: 2024-04-08 06:47:42 +0000 Commit: Vladimir Kondratyev <wulf@FreeBSD.org> CommitDate: 2024-08-01 21:09:38 +0000 LinuxKPI: Add get_random_u32_below function get_random_u32_below returns a random integer in the interval [0, ceil), with uniform distribution. Sponsored by: Serenity CyberSecurity, LLC Reviewed by: emaste MFC after: 1 week (cherry picked from commit 9289c1f6f1514e714b17026c50ec09282f079cba) --- sys/compat/linuxkpi/common/include/linux/random.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/random.h b/sys/compat/linuxkpi/common/include/linux/random.h index e87d4412ea4e..808c5bc55974 100644 --- a/sys/compat/linuxkpi/common/include/linux/random.h +++ b/sys/compat/linuxkpi/common/include/linux/random.h @@ -96,6 +96,12 @@ get_random_u64(void) return (val); } +static inline uint32_t +get_random_u32_below(uint32_t max) +{ + return (arc4random_uniform(max)); +} + static __inline uint32_t prandom_u32(void) {