diff --git a/dracut.sh b/dracut.sh index 20556762c4..58d51d7152 100755 --- a/dracut.sh +++ b/dracut.sh @@ -111,6 +111,8 @@ Creates initial ramdisk images for preloading modules --no-early-microcode Do not combine early microcode with ramdisk --kernel-cmdline [PARAMETERS] Specify default kernel command line parameters --strip Strip binaries in the initramfs + --aggresive-strip Strip more than just debug symbol and sections, + for a smaller initramfs build. --nostrip Do not strip binaries in the initramfs --hardlink Hardlink files in the initramfs --nohardlink Do not hardlink files in the initramfs @@ -379,6 +381,7 @@ rearrange_params() { --long print-cmdline \ --long kernel-cmdline: \ --long strip \ + --long aggresive-strip \ --long nostrip \ --long hardlink \ --long nohardlink \ @@ -697,6 +700,7 @@ while :; do early_microcode_l="no" ;; --strip) do_strip_l="yes" ;; + --aggresive-strip) aggresive_strip_l="yes" ;; --nostrip) do_strip_l="no" ;; --hardlink) do_hardlink_l="yes" ;; --nohardlink) do_hardlink_l="no" ;; @@ -969,6 +973,7 @@ stdloglvl=$((stdloglvl + verbosity_mod_l)) [[ $drivers_dir_l ]] && drivers_dir=$drivers_dir_l [[ $do_strip_l ]] && do_strip=$do_strip_l [[ $do_strip ]] || do_strip=yes +[[ $aggresive_strip_l ]] && aggresive_strip=$aggresive_strip_l [[ $do_hardlink_l ]] && do_hardlink=$do_hardlink_l [[ $do_hardlink ]] || do_hardlink=yes [[ $prefix_l ]] && prefix=$prefix_l @@ -2118,6 +2123,13 @@ if [[ $do_strip == yes ]]; then do_strip=no fi done + + if [[ $aggresive_strip ]]; then + # `eu-strip` and `strip` both strips all unneeded parts by default + strip_args=(-p) + else + strip_args=(-g -p) + fi fi # cleanup empty ldconfig_paths directories @@ -2263,14 +2275,14 @@ if [[ $do_strip == yes ]] && ! [[ $DRACUT_FIPS_MODE ]]; then dinfo "*** Stripping files ***" find "$initdir" -type f \ -executable -not -path '*/lib/modules/*.ko' -print0 \ - | xargs -r -0 $strip_cmd -g -p 2> /dev/null + | xargs -r -0 $strip_cmd "${strip_args[@]}" 2> /dev/null # strip kernel modules, but do not touch signed modules find "$initdir" -type f -path '*/lib/modules/*.ko' -print0 \ | while read -r -d $'\0' f || [ -n "$f" ]; do SIG=$(tail -c 28 "$f" | tr -d '\000') [[ $SIG == '~Module signature appended~' ]] || { printf "%s\000" "$f"; } - done | xargs -r -0 $strip_cmd -g -p + done | xargs -r -0 $strip_cmd "${strip_args[@]}" dinfo "*** Stripping files done ***" fi