diff options
Diffstat (limited to 'sys-kernel/dracut/files/049-rngd-new-module-running-early-during-boot-to-help-ge.patch')
| -rw-r--r-- | sys-kernel/dracut/files/049-rngd-new-module-running-early-during-boot-to-help-ge.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sys-kernel/dracut/files/049-rngd-new-module-running-early-during-boot-to-help-ge.patch b/sys-kernel/dracut/files/049-rngd-new-module-running-early-during-boot-to-help-ge.patch new file mode 100644 index 000000000000..5ea342df78a4 --- /dev/null +++ b/sys-kernel/dracut/files/049-rngd-new-module-running-early-during-boot-to-help-ge.patch @@ -0,0 +1,88 @@ +From adee5b97bc5418b6e357342bb3be20568668aa55 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Renaud=20M=C3=A9trich?= <rmetrich@redhat.com> +Date: Thu, 11 Jul 2019 10:50:40 +0200 +Subject: [PATCH] rngd: new module running early during boot to help generating + entropy when system's default entropy sources are poor (e.g. use of SSD disks + or UEFI RNG not available) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit +To: <initramfs@vger.kernel.org> + +On systems with low entropy at boot, the boot can take up to several +hours, specially when NBDE is used (e.g. clevis) which makes use of +the random number generator. + +Enabling rngd service at boot early, because dracut-initqueue runs, +enables to initialize the random number generator in a couple of seconds +instead of minutes or hours. + +Signed-off-by: Renaud Métrich <rmetrich@redhat.com> +--- + modules.d/06rngd/module-setup.sh | 39 ++++++++++++++++++++++++++++++++ + modules.d/06rngd/rngd.service | 7 ++++++ + 2 files changed, 46 insertions(+) + create mode 100644 modules.d/06rngd/module-setup.sh + create mode 100644 modules.d/06rngd/rngd.service + +diff --git a/modules.d/06rngd/module-setup.sh b/modules.d/06rngd/module-setup.sh +new file mode 100644 +index 00000000..43d5c2d3 +--- /dev/null ++++ b/modules.d/06rngd/module-setup.sh +@@ -0,0 +1,39 @@ ++#!/bin/bash ++# vim: set tabstop=8 shiftwidth=4 softtabstop=4 expandtab smarttab colorcolumn=80: ++# ++# Copyright (c) 2019 Red Hat, Inc. ++# Author: Renaud Métrich <rmetrich@redhat.com> ++# ++# This program is free software: you can redistribute it and/or modify ++# it under the terms of the GNU General Public License as published by ++# the Free Software Foundation, either version 3 of the License, or ++# (at your option) any later version. ++# ++# This program is distributed in the hope that it will be useful, ++# but WITHOUT ANY WARRANTY; without even the implied warranty of ++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++# GNU General Public License for more details. ++# ++# You should have received a copy of the GNU General Public License ++# along with this program. If not, see <http://www.gnu.org/licenses/>. ++# ++ ++depends() { ++ echo systemd ++ return 0 ++} ++ ++check() { ++ # if there's no rngd binary, no go. ++ require_binaries rngd || return 1 ++ ++ return 0 ++} ++ ++install() { ++ inst rngd ++ inst_simple "${moddir}/rngd.service" "${systemdsystemunitdir}/rngd.service" ++ mkdir -p "${initdir}${systemdsystemunitdir}/sysinit.target.wants" ++ ln -rfs "${initdir}${systemdsystemunitdir}/rngd.service" \ ++ "${initdir}${systemdsystemunitdir}/sysinit.target.wants/rngd.service" ++} +diff --git a/modules.d/06rngd/rngd.service b/modules.d/06rngd/rngd.service +new file mode 100644 +index 00000000..570fbedb +--- /dev/null ++++ b/modules.d/06rngd/rngd.service +@@ -0,0 +1,7 @@ ++[Unit] ++Description=Hardware RNG Entropy Gatherer Daemon ++DefaultDependencies=no ++Before=systemd-udevd.service ++ ++[Service] ++ExecStart=/usr/sbin/rngd -f +-- +2.24.1 + |