Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipgrafted

Pull futex fix from Ingo Molnar:

 - Also allocate a default private futex hash on vfork() as well, to
   avoid races with (private) futex waiters (Peter Zijlstra)

* tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Also allocate private hash on vfork()

1 files changed, 44 insertions, 0 deletions

diff --git a/scripts/install.sh b/scripts/install.sh
new file mode 100755
index 000000000..05d62ac51
--- /dev/null
+++ b/scripts/install.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 1995 by Linus Torvalds
+#
+# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin
+# Common code factored out by Masahiro Yamada
+
+set -e
+
+# Make sure the files actually exist
+for file in "${KBUILD_IMAGE}" System.map
+do
+	if [ ! -f "${file}" ]; then
+		echo >&2
+		echo >&2 " *** Missing file: ${file}"
+		echo >&2 ' *** You need to run "make" before "make install".'
+		echo >&2
+		exit 1
+	fi
+done
+
+if [ -n "${INSTALL_PATH}" ] && ! [ -e "${INSTALL_PATH}" ]; then
+	mkdir -p "${INSTALL_PATH}"
+fi
+
+# User/arch may have a custom install script
+for file in "${HOME}/bin/${INSTALLKERNEL}"		\
+	    "/sbin/${INSTALLKERNEL}"			\
+	    "${srctree}/arch/${SRCARCH}/install.sh"	\
+	    "${srctree}/arch/${SRCARCH}/boot/install.sh"
+do
+	if [ ! -x "${file}" ]; then
+		continue
+	fi
+
+	# installkernel(8) says the parameters are like follows:
+	#
+	#   installkernel version zImage System.map [directory]
+	exec "${file}" "${KERNELRELEASE}" "${KBUILD_IMAGE}" System.map "${INSTALL_PATH}"
+done
+
+echo "No install script found" >&2
+exit 1