1 files changed, 3 insertions, 0 deletions

diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index cbe7ec8dbb9f..7d934e493e74 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -775,10 +775,13 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
         sys_dev = get_cpu_sysdev(cpu);
         switch (action) {
         case CPU_ONLINE:
+        case CPU_ONLINE_FROZEN:
         case CPU_DOWN_FAILED:
+        case CPU_DOWN_FAILED_FROZEN:
                 mc_sysdev_add(sys_dev);
                 break;
         case CPU_DOWN_PREPARE:
+        case CPU_DOWN_PREPARE_FROZEN:
                 mc_sysdev_remove(sys_dev);
                 break;
         }