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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.
-
-
-
- exit 0
-