Date: Wed, 22 Apr 2026 20:47:26 +0000 From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 9a2de1d2042d - main - linuxkpi: Define `min_array()` and `max_array()` Message-ID: <69e933de.24c73.1ccf978@gitrepo.freebsd.org>
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The branch main has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=9a2de1d2042d1c2730dd3049c26d481813b5f2bd commit 9a2de1d2042d1c2730dd3049c26d481813b5f2bd Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2026-04-22 14:36:06 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2026-04-22 20:46:57 +0000 linuxkpi: Define `min_array()` and `max_array()` They are macros that return the minimum or maximum values of an array of integers. They assume that the array contains elements. The i915 DRM driver started to use `min_array()` in Linux 6.12.x. Reviewed by: bz Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D56583 --- sys/compat/linuxkpi/common/include/linux/minmax.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/minmax.h b/sys/compat/linuxkpi/common/include/linux/minmax.h index 5040d7f9141e..161d0174554a 100644 --- a/sys/compat/linuxkpi/common/include/linux/minmax.h +++ b/sys/compat/linuxkpi/common/include/linux/minmax.h @@ -77,4 +77,14 @@ /* XXX would have to make sure both are unsigned. */ #define umin(x, y) MIN(x, y) +/* This macro assumes that the array has elements inside. */ +#define __minmax_array(op, array, len) ({ \ + typeof(array[0]) __val = array[0]; \ + for (typeof(len) __i = 1; __i < len; __i++) \ + __val = op(__val, array[__i]); \ + __val; }) + +#define min_array(array, len) __minmax_array(min, array, len) +#define max_array(array, len) __minmax_array(max, array, len) + #endif /* _LINUXKPI_LINUX_MINMAX_H_ */home | help
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