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#!/bin/sh
# postinst script for amd64-microcode
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <postinst> `abort-remove'
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
case "$1" in
configure)
if [ -e /sys/devices/system/cpu/microcode/reload ] ; then
echo "Updating microcode on all online processors..." >&2
echo 1 > /sys/devices/system/cpu/microcode/reload || {
echo "Kernel reported failure while updating microcode!" >&2
}
else
# Try all online processors, broken kernels need this,
# fixed kernels will accept it only on the BSP and update
# all processors anyway, and -EINVAL all others... but we
# don't know which one is the BSP, so we try all of them
# and hide errors, the kernel will log any real problem.
echo "Using per-core interface to update microcode on online processors..." >&2
find /sys/devices/system/cpu -noleaf -type f -path '/sys/devices/system/cpu/cpu*/microcode/reload' | \
while read i ; do echo -n 1 2>/dev/null >"$i" || true ; done
fi
# do it like udev and firmware-linux-*
if [ -x /usr/sbin/update-initramfs -a -e /etc/initramfs-tools/initramfs.conf ] ; then
update-initramfs -u
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
|
