microcode_ctl/reload_microcode
Eugene Syromiatnikov 3e73f633e5 Import RHEL packaging
Sync with current RHEL 8.5 packaging.

Resolves: #1880064
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
2021-07-26 18:44:11 +02:00

23 lines
556 B
Bash

#! /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
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