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Viewing: reload_microcode

#! /bin/bash -efu

# Trigger microcode reload with additional check for BDW-EP that can have
# microcode reloaded only in case kernel has specific patches.
#
# SPDX-License-Identifier: CC0-1.0

export LC_ALL=C

CHECK_CAVEATS=/usr/libexec/microcode_ctl/check_caveats
IGNORE_HYPERVISOR="/etc/microcode_ctl/ignore-hypervisor-flag"

[ -e "$IGNORE_HYPERVISOR" ] || {
	if grep -q '^flags[[:space:]]*:.* hypervisor\( .*\)\?$' /proc/cpuinfo
	then
		exit 0
	fi
}

"$CHECK_CAVEATS" -m > /dev/null || exit 0

echo 2>/dev/null 1 > /sys/devices/system/cpu/microcode/reload || :

exit 0

User / IP	: 216.73.216.91
Host / Server	: 146.88.233.70 / www.dev.loger.cm
System	: Linux hybrid1120.fr.ns.planethoster.net 3.10.0-957.21.2.el7.x86_64 #1 SMP Wed Jun 5 14:26:44 UTC 2019 x86_64