git: 18a9913f9ff0 - stable/14 - LinuxKPI: Move linux/minmax.h content out of linux/kernel.h
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Thu, 01 Aug 2024 22:27:36 UTC
The branch stable/14 has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=18a9913f9ff02da049cdbd9dbfba9ee0244c1979 commit 18a9913f9ff02da049cdbd9dbfba9ee0244c1979 Author: Vladimir Kondratyev <wulf@FreeBSD.org> AuthorDate: 2024-06-06 20:42:06 +0000 Commit: Vladimir Kondratyev <wulf@FreeBSD.org> CommitDate: 2024-08-01 21:09:39 +0000 LinuxKPI: Move linux/minmax.h content out of linux/kernel.h To match Linux and allow direct linux/minmax.h inclusion. Sponsored by: Serenity Cyber Security, LLC MFC after: 1 week Reviewed by: bz Differential Revision: https://reviews.freebsd.org/D45449 (cherry picked from commit f79474c4e3eeb48c6acb0a9e3163195a50cef577) --- sys/compat/linuxkpi/common/include/linux/kernel.h | 28 +--------- sys/compat/linuxkpi/common/include/linux/minmax.h | 67 +++++++++++++++++++++++ 2 files changed, 68 insertions(+), 27 deletions(-) diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h index 26fc2b8a4862..7679c7f519af 100644 --- a/sys/compat/linuxkpi/common/include/linux/kernel.h +++ b/sys/compat/linuxkpi/common/include/linux/kernel.h @@ -46,6 +46,7 @@ #include <linux/compiler.h> #include <linux/container_of.h> #include <linux/limits.h> +#include <linux/minmax.h> #include <linux/stringify.h> #include <linux/errno.h> #include <linux/sched.h> @@ -518,29 +519,9 @@ kstrtou8_from_user(const char __user *s, size_t count, unsigned int base, return (kstrtou8(buf, base, p)); } -#define min(x, y) ((x) < (y) ? (x) : (y)) -#define max(x, y) ((x) > (y) ? (x) : (y)) - -#define min3(a, b, c) min(a, min(b,c)) -#define max3(a, b, c) max(a, max(b,c)) - -#define min_t(type, x, y) ({ \ - type __min1 = (x); \ - type __min2 = (y); \ - __min1 < __min2 ? __min1 : __min2; }) - -#define max_t(type, x, y) ({ \ - type __max1 = (x); \ - type __max2 = (y); \ - __max1 > __max2 ? __max1 : __max2; }) - #define offsetofend(t, m) \ (offsetof(t, m) + sizeof((((t *)0)->m))) -#define clamp_t(type, _x, min, max) min_t(type, max_t(type, _x, min), max) -#define clamp(x, lo, hi) min( max(x,lo), hi) -#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) - /* * This looks more complex than it should be. But we need to * get the type for the ~ right in round_down (it needs to be @@ -560,13 +541,6 @@ extern bool linux_cpu_has_clflush; #define cpu_has_clflush linux_cpu_has_clflush #endif -/* Swap values of a and b */ -#define swap(a, b) do { \ - typeof(a) _swap_tmp = a; \ - a = b; \ - b = _swap_tmp; \ -} while (0) - #define DIV_ROUND_CLOSEST(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) #define DIV_ROUND_CLOSEST_ULL(x, divisor) ({ \ diff --git a/sys/compat/linuxkpi/common/include/linux/minmax.h b/sys/compat/linuxkpi/common/include/linux/minmax.h new file mode 100644 index 000000000000..465607371b9b --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/minmax.h @@ -0,0 +1,67 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2010 iX Systems, Inc. + * Copyright (c) 2010 Panasas, Inc. + * Copyright (c) 2013-2015 Mellanox Technologies, Ltd. + * Copyright (c) 2014-2015 François Tigeot + * Copyright (c) 2015 Hans Petter Selasky <hselasky@FreeBSD.org> + * Copyright (c) 2016 Matt Macy <mmacy@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _LINUXKPI_LINUX_MINMAX_H_ +#define _LINUXKPI_LINUX_MINMAX_H_ + +#include <linux/build_bug.h> +#include <linux/compiler.h> +#include <linux/types.h> + +#define min(x, y) ((x) < (y) ? (x) : (y)) +#define max(x, y) ((x) > (y) ? (x) : (y)) + +#define min3(a, b, c) min(a, min(b, c)) +#define max3(a, b, c) max(a, max(b, c)) + +#define min_t(type, x, y) ({ \ + type __min1 = (x); \ + type __min2 = (y); \ + __min1 < __min2 ? __min1 : __min2; }) + +#define max_t(type, x, y) ({ \ + type __max1 = (x); \ + type __max2 = (y); \ + __max1 > __max2 ? __max1 : __max2; }) + +#define clamp_t(type, _x, min, max) min_t(type, max_t(type, _x, min), max) +#define clamp(x, lo, hi) min(max(x, lo), hi) +#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) + +/* Swap values of a and b */ +#define swap(a, b) do { \ + __typeof(a) _swap_tmp = a; \ + a = b; \ + b = _swap_tmp; \ +} while (0) + +#endif /* _LINUXKPI_LINUX_MINMAX_H_ */