72 lines
2.4 KiB
Bash
Executable File
72 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# needrestart - Restart daemons after library updates.
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#
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# Authors:
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# Thomas Liske <thomas@fiasko-nw.net>
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#
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# Copyright Holder:
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# 2013 - 2022 (C) Thomas Liske [http://fiasko-nw.net/~thomas/]
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#
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# License:
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this package; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# handle verbose mode
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if [ "$1" = "1" ]; then
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set -x
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fi
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# filter for processor signature (and flags if available)
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sig=$(iucode_tool --scan-system 2>&1 | grep -oE '[^[:space:]]+$') #'
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if [ -r /sys/devices/system/cpu/cpu0/microcode/processor_flags ]; then
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filter="-s $sig,"$(cat /sys/devices/system/cpu/cpu0/microcode/processor_flags)
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else
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filter="-S"
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fi
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# allow local command override
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test -r /etc/needrestart/iucode.sh && . /etc/needrestart/iucode.sh
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# early boot initrd (required at least on Arch Linux)
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if type bsdtar > /dev/null 2>&1 ; then
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imgfiles=""
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for img in /boot/intel-ucode.img /boot/early_ucode.cpio ; do
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if [ -r "$img" ]; then
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imgfiles="$imgfiles $img"
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fi
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done
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if [ -n "$imgfiles" ]; then
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cat $imgfiles | bsdtar -Oxf /dev/stdin | iucode_tool -l $filter -tb - 2>&1
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exit $?
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fi
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fi
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# look for microcode updates in the filesystem
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IUCODE_TOOL_EXTRA_OPTIONS=""
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test -r /etc/default/intel-microcode && . /etc/default/intel-microcode
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# do not scan if adding Intel microcode to initrd is disabled
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test "$IUCODE_TOOL_INITRAMFS" = "no" && exit 0
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# run iucode_tool to scan for microcodes
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if [ -r /usr/share/misc/intel-microcode* ]; then
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exec iucode_tool -l $filter --ignore-broken -tb /lib/firmware/intel-ucode -ta /usr/share/misc/intel-microcode* 2>&1
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exit $?
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fi
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iucode_tool -l $filter --ignore-broken $IUCODE_TOOL_EXTRA_OPTIONS -tb /lib/firmware/intel-ucode 2>&1 | grep "$sig"
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