[merged mm-hotfixes-stable] revert-um-use-swap-to-make-code-cleaner.patch removed from -mm tree

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The quilt patch titled
     Subject: Revert "um: Use swap() to make code cleaner"
has been removed from the -mm tree.  Its filename was
     revert-um-use-swap-to-make-code-cleaner.patch

This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Subject: Revert "um: Use swap() to make code cleaner"
Date: Mon, 24 Jul 2023 17:31:31 +0300

This reverts commit 9b0da3f22307af693be80f5d3a89dc4c7f360a85.

The sigio.c is clearly user space code which is handled by
arch/um/scripts/Makefile.rules (see USER_OBJS rule).

The above mentioned commit simply broke this agreement,
we may not use Linux kernel internal headers in them without
thorough thinking.

Hence, revert the wrong commit.

Link: https://lkml.kernel.org/r/20230724143131.30090-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202307212304.cH79zJp1-lkp@xxxxxxxxx/
Cc: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>
Cc: Herve Codina <herve.codina@xxxxxxxxxxx>
Cc: Jason A. Donenfeld <Jason@xxxxxxxxx>
Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Richard Weinberger <richard@xxxxxx>
Cc: Yang Guang <yang.guang5@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/um/os-Linux/sigio.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/arch/um/os-Linux/sigio.c~revert-um-use-swap-to-make-code-cleaner
+++ a/arch/um/os-Linux/sigio.c
@@ -3,7 +3,6 @@
  * Copyright (C) 2002 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  */
 
-#include <linux/minmax.h>
 #include <unistd.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -51,7 +50,7 @@ static struct pollfds all_sigio_fds;
 
 static int write_sigio_thread(void *unused)
 {
-	struct pollfds *fds;
+	struct pollfds *fds, tmp;
 	struct pollfd *p;
 	int i, n, respond_fd;
 	char c;
@@ -78,7 +77,9 @@ static int write_sigio_thread(void *unus
 					       "write_sigio_thread : "
 					       "read on socket failed, "
 					       "err = %d\n", errno);
-				swap(current_poll, next_poll);
+				tmp = current_poll;
+				current_poll = next_poll;
+				next_poll = tmp;
 				respond_fd = sigio_private[1];
 			}
 			else {
_

Patches currently in -mm which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are

kernelh-split-out-count_args-and-concatenate-to-argsh.patch
x86-asm-replace-custom-count_args-concatenate-implementations.patch
arm64-smccc-replace-custom-count_args-concatenate-implementations.patch
genetlink-replace-custom-concatenate-implementation.patch




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