qubes-linux-utils/debian/qubes-kernel-vm-support.postinst
Marek Marczykowski-Górecki de2150e3d3
Add xen_scrub_pages=0 kernel option only if initramfs was rebuilt
Rebuild initramfs on package upgrade (already done for Debian
previously) and store 1 into /var/lib/qubes/initramfs-updated. Then,
only add xen_scrub_pages=0 kernel option if
/var/lib/qubes/initramfs-updated is there (with "1" or greater number).
This way, if initramfs rebuild doesn't happen for any reason,
xen_scrub_pages=0 will not be added.

Fixes 456fe99 "Disable scrubbing memory pages during initial balloon down"
QubesOS/qubes-issues#1963
2019-02-25 06:38:53 +01:00

52 lines
1.4 KiB
Bash

#!/bin/bash
# postinst script for qubes-kernel-vm-support
#
# see: dh_installdeb(1)
set -e
# The postinst script may be called in the following ways:
# * <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
# https://www.debian.org/doc/debian-policy/ch-maintainerscripts.html or
# the debian-policy package
case "${1}" in
configure)
if [ -x /usr/sbin/update-initramfs ]; then
if update-initramfs -u; then
# "milestone" initramfs update version:
# 1 - addition of xen scrub_pages enabling code
echo 1 > /var/lib/qubes/initramfs-updated
fi
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
exit 0
;;
*)
echo "postinst called with unknown argument \`${1}'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
# vim: set ts=4 sw=4 sts=4 et :