build/patch/misc/general-packaging-5.10.y.patch

diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 5858d6e44..e81b8a6fc 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -142,7 +142,7 @@ core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
 
 # Default target when executing plain make
 boot		:= arch/arm64/boot
-KBUILD_IMAGE	:= $(boot)/Image.gz
+KBUILD_IMAGE	:= $(boot)/Image
 
 all:	Image.gz
 
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 1b11f8993..c21d931ea 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -26,29 +26,61 @@ if_enabled_echo() {
 
 create_package() {
 	local pname="$1" pdir="$2"
-	local dpkg_deb_opts
 
 	mkdir -m 755 -p "$pdir/DEBIAN"
 	mkdir -p "$pdir/usr/share/doc/$pname"
 	cp debian/copyright "$pdir/usr/share/doc/$pname/"
 	cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
-	gzip -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
+	gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
 	sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
 		| xargs -r0 md5sum > DEBIAN/md5sums"
 
 	# Fix ownership and permissions
-	if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then
-		dpkg_deb_opts="--root-owner-group"
-	else
-		chown -R root:root "$pdir"
-	fi
+	chown -R root:root "$pdir"
 	chmod -R go-w "$pdir"
 	# in case we are in a restrictive umask environment like 0077
 	chmod -R a+rX "$pdir"
 
+	# Create preinstall and post install script to remove dtb
+	if [ "$3" = "dtb" ]; then
+
+	cat >> $pdir/DEBIAN/preinst <<EOT
+rm -rf /boot/dtb-$version; rm -rf /boot/dtb
+exit 0
+EOT
+
+	cat >> $pdir/DEBIAN/postinst <<EOT
+cd /boot
+ln -sfT dtb-$version dtb 2> /dev/null || mv dtb-$version dtb
+exit 0
+EOT
+
+	chmod 775 $pdir/DEBIAN/preinst ; chmod 775 $pdir/DEBIAN/postinst
+	fi
+
+	# Create postinst prerm scripts for headers
+	if [ "$3" = "headers" ]; then
+
+cat >> $pdir/DEBIAN/postinst << EOT
+cd /usr/src/linux-headers-$version
+echo "Compiling headers - please wait ..."
+find -type f -exec touch {} +
+make -s scripts >/dev/null
+make -s M=scripts/mod/ >/dev/null
+exit 0
+EOT
+
+cat >> $pdir/DEBIAN/prerm << EOT
+cd /usr/src/linux-headers-$version
+rm -rf scripts .config.old
+EOT
+
+	chmod 775 $pdir/DEBIAN/postinst ; chmod 775 $pdir/DEBIAN/prerm
+	fi
+
 	# Create the package
 	dpkg-gencontrol -p$pname -P"$pdir"
-	dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..
+	dpkg-deb --build "$pdir" ..
 }
 
 deploy_kernel_headers () {
@@ -60,7 +92,7 @@ deploy_kernel_headers () {
 		cd $srctree
 		find . arch/$SRCARCH -maxdepth 1 -name Makefile\*
 		find include scripts -type f -o -type l
-		find arch/$SRCARCH -name Kbuild.platforms -o -name Platform
+		find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform
 		find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f
 	) > debian/hdrsrcfiles
 
@@ -105,9 +137,15 @@ deploy_libc_headers () {
 }
 
 version=$KERNELRELEASE
-tmpdir=debian/linux-image
-dbg_dir=debian/linux-image-dbg
-packagename=linux-image-$version
+tmpdir="$objtree/debian/tmp"
+kernel_headers_dir="$objtree/debian/hdrtmp"
+libc_headers_dir="$objtree/debian/headertmp"
+dbg_dir="$objtree/debian/dbgtmp"
+dtb_dir="$objtree/debian/dtbtmp"
+packagename=linux-image-"$BRANCH$LOCALVERSION"
+kernel_headers_packagename=linux-headers-"$BRANCH$LOCALVERSION"
+dtb_packagename=linux-dtb-"$BRANCH$LOCALVERSION"
+libc_headers_packagename=linux-libc-dev-"$BRANCH$LOCALVERSION"
 dbg_packagename=$packagename-dbg
 
 if [ "$ARCH" = "um" ] ; then
@@ -118,6 +156,15 @@ fi
 # XXX: have each arch Makefile export a variable of the canonical image install
 # path instead
 case $ARCH in
+aarch64|arm64)
+	image_name=Image
+	installed_image_path="boot/vmlinuz-$version"
+
+	;;
+arm*)
+	image_name=zImage
+	installed_image_path="boot/vmlinuz-$version"
+	;;
 um)
 	installed_image_path="usr/bin/linux-$version"
 	;;
@@ -131,13 +178,17 @@ esac
 BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
 
 # Setup the directory structure
-rm -rf "$tmpdir" "$dbg_dir" debian/files
+rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" "$dtb_dir" $objtree/debian/files
+mkdir -m 755 -p "$dtb_dir/DEBIAN"
+mkdir -p "$dtb_dir/boot/dtb-$version" "$dtb_dir/usr/share/doc/$dtb_packagename"
 mkdir -m 755 -p "$tmpdir/DEBIAN"
 mkdir -p "$tmpdir/lib" "$tmpdir/boot"
+mkdir -p "$kernel_headers_dir/lib/modules/$version/"
 
-# Install the kernel
+# Build and install the kernel
 if [ "$ARCH" = "um" ] ; then
 	mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
+	$MAKE linux
 	cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
 	cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
 	gzip "$tmpdir/usr/share/doc/$packagename/config"
@@ -181,6 +232,21 @@ if is_enabled CONFIG_MODULES; then
 	fi
 fi
 
+if grep -q '^CONFIG_OF=y' $KCONFIG_CONFIG ; then
+	#mkdir -p "$tmpdir/boot/dtb"
+	INSTALL_DTBS_PATH="$dtb_dir/boot/dtb-$version" $MAKE KBUILD_SRC= dtbs_install
+fi
+
+if [ "$ARCH" != "um" ]; then
+	$MAKE -f $srctree/Makefile headers
+	$MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr"
+	# move asm headers to /usr/include/<libc-machine>/asm to match the structure
+	# used by Debian-based distros (to support multi-arch)
+	host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH)
+	mkdir $libc_headers_dir/usr/include/$host_arch
+	mv $libc_headers_dir/usr/include/asm $libc_headers_dir/usr/include/$host_arch/
+fi
+
 # Install the maintainer scripts
 # Note: hook scripts under /etc/kernel are also executed by official Debian
 # kernel packages, as well as kernel packages built using make-kpkg.
@@ -190,7 +256,7 @@ debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
 for script in postinst postrm preinst prerm ; do
 	mkdir -p "$tmpdir$debhookdir/$script.d"
 	cat <<EOF > "$tmpdir/DEBIAN/$script"
-#!/bin/sh
+#!/bin/bash
 
 set -e
 
@@ -206,14 +272,72 @@ EOF
 	chmod 755 "$tmpdir/DEBIAN/$script"
 done
 
-if [ "$ARCH" != "um" ]; then
-	if is_enabled CONFIG_MODULES; then
-		deploy_kernel_headers debian/linux-headers
-		create_package linux-headers-$version debian/linux-headers
+##
+## Create sym link to kernel image
+##
+sed -e "s/exit 0//g" -i $tmpdir/DEBIAN/postinst
+cat >> $tmpdir/DEBIAN/postinst <<EOT
+ln -sf $(basename $installed_image_path) /boot/$image_name 2> /dev/null || mv /$installed_image_path /boot/$image_name
+touch /boot/.next
+exit 0
+EOT
+
+##
+## FAT install workaround
+##
+sed -e "s/exit 0//g" -i $tmpdir/DEBIAN/preinst
+cat >> $tmpdir/DEBIAN/preinst <<EOT
+# exit if we are running chroot
+if [ "\$(stat -c %d:%i /)" != "\$(stat -c %d:%i /proc/1/root/.)" ]; then exit 0; fi
+
+check_and_unmount (){
+	boot_device=\$(mountpoint -d /boot)
+
+	for file in /dev/* ; do
+		CURRENT_DEVICE=\$(printf "%d:%d" \$(stat --printf="0x%t 0x%T" \$file))
+		if [[ "\$CURRENT_DEVICE" = "\$boot_device" ]]; then
+			boot_partition=\$file
+			break
+		fi
+	done
+
+	bootfstype=\$(blkid -s TYPE -o value \$boot_partition)
+	if [ "\$bootfstype" = "vfat" ]; then
+		# we have to keep it mounted! umount /boot
+		rm -f /boot/System.map* /boot/config* /boot/vmlinuz* /boot/$image_name /boot/uImage
 	fi
+}
+mountpoint -q /boot && check_and_unmount
+EOT
+echo "exit 0" >> $tmpdir/DEBIAN/preinst
+
+# Build kernel header package
+(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find security/*/include -type f) >> "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
+if is_enabled CONFIG_STACK_VALIDATION; then
+	(cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
+fi
+(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
+if is_enabled CONFIG_GCC_PLUGINS; then
+	(cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
+fi
+destdir=$kernel_headers_dir/usr/src/linux-headers-$version
+mkdir -p "$destdir"
+(cd $destdir; patch -p1 < /tmp/headers-debian-byteshift.patch)
+(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
+(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
+(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
+ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
+rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
 
-	deploy_libc_headers debian/linux-libc-dev
-	create_package linux-libc-dev debian/linux-libc-dev
+(cd $destdir; make M=scripts clean)
+
+if [ "$ARCH" != "um" ]; then
+	create_package "$kernel_headers_packagename" "$kernel_headers_dir" "headers"
+	create_package "$dtb_packagename" "$dtb_dir" "dtb"
 fi
 
 create_package "$packagename" "$tmpdir"
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 60a2a63a5..7c6197efa 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -94,16 +94,18 @@ else
 	packageversion=$version-$revision
 fi
 sourcename=$KDEB_SOURCENAME
+packagename=linux-image-$BRANCH$LOCALVERSION
+kernel_headers_packagename=linux-headers-$BRANCH$LOCALVERSION
+dtb_packagename=linux-dtb-$BRANCH$LOCALVERSION
+dbg_packagename=$packagename-dbg
+debarch=
+image_name=
+set_debarch
 
 if [ "$ARCH" = "um" ] ; then
-	packagename=user-mode-linux
-else
-	packagename=linux-image
+	packagename=user-mode-linux-$version
 fi
 
-debarch=
-set_debarch
-
 email=${DEBEMAIL-$EMAIL}
 
 # use email string directly if it contains <email>
@@ -174,16 +176,28 @@ Source: $sourcename
 Section: kernel
 Priority: optional
 Maintainer: $maintainer
-Rules-Requires-Root: no
 Build-Depends: bc, rsync, kmod, cpio, bison, flex | flex:native $extra_build_depends
 Homepage: https://www.kernel.org/
 
-Package: $packagename-$version
+Package: $packagename
 Architecture: $debarch
 Description: Linux kernel, version $version
  This package contains the Linux kernel, modules and corresponding other
  files, version: $version.
 
+Package: $dtb_packagename
+Architecture: $debarch
+Description: Linux DTB, version $version
+ This package contains device blobs from the Linux kernel, version $version
+
+Package: $kernel_headers_packagename
+Architecture: $debarch
+Depends: make, gcc, libc6-dev, bison, flex, libssl-dev
+Description: Linux kernel headers for $version on $debarch
+ This package provides kernel header files for $version on $debarch
+ .
+ This is useful for people who need to build external modules
+
 Package: linux-libc-dev
 Section: devel
 Provides: linux-kernel-headers
@@ -194,22 +208,10 @@ Description: Linux support headers for userspace development
 Multi-Arch: same
 EOF
 
-if is_enabled CONFIG_MODULES; then
-cat <<EOF >> debian/control
-
-Package: linux-headers-$version
-Architecture: $debarch
-Description: Linux kernel headers for $version on $debarch
- This package provides kernel header files for $version on $debarch
- .
- This is useful for people who need to build external modules
-EOF
-fi
-
 if is_enabled CONFIG_DEBUG_INFO; then
 cat <<EOF >> debian/control
 
-Package: linux-image-$version-dbg
+Package: $dbg_packagename
 Section: debug
 Architecture: $debarch
 Description: Linux kernel debugging symbols for $version
@@ -223,15 +225,11 @@ cat <<EOF > debian/rules
 
 srctree ?= .
 
-build-indep:
-build-arch:
+build:
 	\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
 	KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile
 
-build: build-arch
-
-binary-indep:
-binary-arch: build-arch
+binary-arch:
 	\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
 	KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile intdeb-pkg