git: ba0f2d780717 - stable/13 - LinuxKPI: Add sort() wrapper.

The branch stable/13 has been updated by wulf:

URL: https://cgit.FreeBSD.org/src/commit/?id=ba0f2d7807176f330f1fd08bf1e5a992b2f0d618

commit ba0f2d7807176f330f1fd08bf1e5a992b2f0d618
Author:     Vladimir Kondratyev <wulf@FreeBSD.org>
AuthorDate: 2021-12-25 09:15:07 +0000
Commit:     Vladimir Kondratyev <wulf@FreeBSD.org>
CommitDate: 2022-01-22 19:34:38 +0000

    LinuxKPI: Add sort() wrapper.
    
    swap parameter is not supported as it is rarely used in Linux kernel
    and its implementation will add some preprocessor spaghetti to qsort.
    
    Required by drm-kmod.
    
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D33675
    
    (cherry picked from commit 7356f661e81d1ff88bdb4daa127f3bfa2be7ecb9)
---
 sys/compat/linuxkpi/common/include/linux/sort.h | 41 +++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/sort.h b/sys/compat/linuxkpi/common/include/linux/sort.h
new file mode 100644
index 000000000000..91ccd7ff83c4
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/sort.h
@@ -0,0 +1,41 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2021 Vladimir Kondratyev <wulf@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 unmodified, 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 ``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 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_SORT_H_
+#define _LINUXKPI_LINUX_SORT_H_
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <sys/libkern.h>
+
+#define	sort(base, num, size, cmp, swap)	do {	\
+	BUILD_BUG_ON_ZERO(swap);			\
+	qsort(base, num, size, cmp);			\
+} while (0)
+
+#endif	/* _LINUXKPI_LINUX_SORT_H_ */