Merge branch 'next' into for-linus

Merge first round of changes for 3.13 merge window.

1 files changed, 78 insertions, 16 deletions

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index acb86507828a..90e521fde35f 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -41,9 +41,9 @@ create_package() {
         parisc*)
                 debarch=hppa ;;
         mips*)
-                debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y .config && echo el) ;;
+                debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el) ;;
         arm*)
-                debarch=arm$(grep -q CONFIG_AEABI=y .config && echo el) ;;
+                debarch=arm$(grep -q CONFIG_AEABI=y $KCONFIG_CONFIG && echo el) ;;
         *)
                 echo "" >&2
                 echo "** ** **  WARNING  ** ** **" >&2
@@ -78,17 +78,35 @@ tmpdir="$objtree/debian/tmp"
 fwdir="$objtree/debian/fwtmp"
 kernel_headers_dir="$objtree/debian/hdrtmp"
 libc_headers_dir="$objtree/debian/headertmp"
+dbg_dir="$objtree/debian/dbgtmp"
 packagename=linux-image-$version
-fwpackagename=linux-firmware-image
+fwpackagename=linux-firmware-image-$version
 kernel_headers_packagename=linux-headers-$version
 libc_headers_packagename=linux-libc-dev
+dbg_packagename=$packagename-dbg
 
 if [ "$ARCH" = "um" ] ; then
         packagename=user-mode-linux-$version
 fi
 
+# Not all arches have the same installed path in debian
+# XXX: have each arch Makefile export a variable of the canonical image install
+# path instead
+case $ARCH in
+um)
+        installed_image_path="usr/bin/linux-$version"
+        ;;
+parisc|mips|powerpc)
+        installed_image_path="boot/vmlinux-$version"
+        ;;
+*)
+        installed_image_path="boot/vmlinuz-$version"
+esac
+
+BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)"
+
 # Setup the directory structure
-rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir"
+rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir"
 mkdir -m 755 -p "$tmpdir/DEBIAN"
 mkdir -p  "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename"
 mkdir -m 755 -p "$fwdir/DEBIAN"
@@ -101,26 +119,29 @@ mkdir -p "$kernel_headers_dir/lib/modules/$version/"
 if [ "$ARCH" = "um" ] ; then
         mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin"
 fi
+if [ -n "$BUILD_DEBUG" ] ; then
+        mkdir -p "$dbg_dir/usr/share/doc/$dbg_packagename"
+        mkdir -m 755 -p "$dbg_dir/DEBIAN"
+fi
 
 # Build and install the kernel
 if [ "$ARCH" = "um" ] ; then
         $MAKE linux
         cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
-        cp .config "$tmpdir/usr/share/doc/$packagename/config"
+        cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
         gzip "$tmpdir/usr/share/doc/$packagename/config"
-        cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version"
 else 
         cp System.map "$tmpdir/boot/System.map-$version"
-        cp .config "$tmpdir/boot/config-$version"
-        # Not all arches include the boot path in KBUILD_IMAGE
-        if [ -e $KBUILD_IMAGE ]; then
-                cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
-        else
-                cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
-        fi
+        cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
+fi
+# Not all arches include the boot path in KBUILD_IMAGE
+if [ -e $KBUILD_IMAGE ]; then
+        cp $KBUILD_IMAGE "$tmpdir/$installed_image_path"
+else
+        cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/$installed_image_path"
 fi
 
-if grep -q '^CONFIG_MODULES=y' .config ; then
+if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
         INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
         rm -f "$tmpdir/lib/modules/$version/build"
         rm -f "$tmpdir/lib/modules/$version/source"
@@ -128,6 +149,20 @@ if grep -q '^CONFIG_MODULES=y' .config ; then
                 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
                 rmdir "$tmpdir/lib/modules/$version"
         fi
+        if [ -n "$BUILD_DEBUG" ] ; then
+                (
+                        cd $tmpdir
+                        for module in $(find lib/modules/ -name *.ko); do
+                                mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
+                                # only keep debug symbols in the debug file
+                                objcopy --only-keep-debug $module $dbg_dir/usr/lib/debug/$module
+                                # strip original module from debug symbols
+                                objcopy --strip-debug $module
+                                # then add a link to those
+                                objcopy --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $module
+                        done
+                )
+        fi
 fi
 
 if [ "$ARCH" != "um" ]; then
@@ -149,7 +184,7 @@ set -e
 # Pass maintainer script parameters to hook scripts
 export DEB_MAINT_PARAMS="\$*"
 
-test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
+test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
 exit 0
 EOF
         chmod 755 "$tmpdir/DEBIAN/$script"
@@ -245,11 +280,12 @@ fi
 # Build header package
 (cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl > "$objtree/debian/hdrsrcfiles")
 (cd $srctree; find arch/$SRCARCH/include include scripts -type f >> "$objtree/debian/hdrsrcfiles")
-(cd $objtree; find arch/$SRCARCH/include .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
+(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
 mkdir -p "$destdir"
 (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"
 arch=$(dpkg --print-architecture)
@@ -299,4 +335,30 @@ fi
 
 create_package "$packagename" "$tmpdir"
 
+if [ -n "$BUILD_DEBUG" ] ; then
+        # Build debug package
+        # Different tools want the image in different locations
+        # perf
+        mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
+        cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
+        # systemtap
+        mkdir -p $dbg_dir/usr/lib/debug/boot/
+        ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
+        # kdump-tools
+        ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
+
+        cat <<EOF >> debian/control
+
+Package: $dbg_packagename
+Section: debug
+Provides: linux-debug, linux-debug-$version
+Architecture: any
+Description: Linux kernel debugging symbols for $version
+ This package will come in handy if you need to debug the kernel. It provides
+ all the necessary debug symbols for the kernel and its modules.
+EOF
+
+        create_package "$dbg_packagename" "$dbg_dir"
+fi
+
 exit 0