1 files changed, 7 insertions, 2 deletions

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 08363b042122..8af6fa473233 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -217,8 +217,13 @@ static void print_mce(struct mce *m)
                 pr_cont("MISC %llx ", m->misc);
 
         pr_cont("\n");
-        pr_emerg(HW_ERR "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n",
-                m->cpuvendor, m->cpuid, m->time, m->socketid, m->apicid);
+        /*
+         * Note this output is parsed by external tools and old fields
+         * should not be changed.
+         */
+        pr_emerg(HW_ERR "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x microcode %u\n",
+                m->cpuvendor, m->cpuid, m->time, m->socketid, m->apicid,
+                cpu_data(m->extcpu).microcode);
 
         /*
          * Print out human-readable details about the MCE error,