1 files changed, 25 insertions, 0 deletions

diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 00d20974b3e7..e40971b51d2f 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -17,8 +17,24 @@
 
 unsigned int vced_count, vcei_count;
 
+/*
+ *  * No lock; only written during early bootup by CPU 0.
+ *   */
+static RAW_NOTIFIER_HEAD(proc_cpuinfo_chain);
+
+int __ref register_proc_cpuinfo_notifier(struct notifier_block *nb)
+{
+        return raw_notifier_chain_register(&proc_cpuinfo_chain, nb);
+}
+
+int proc_cpuinfo_notifier_call_chain(unsigned long val, void *v)
+{
+        return raw_notifier_call_chain(&proc_cpuinfo_chain, val, v);
+}
+
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
+        struct proc_cpuinfo_notifier_args proc_cpuinfo_notifier_args;
         unsigned long n = (unsigned long) v - 1;
         unsigned int version = cpu_data[n].processor_id;
         unsigned int fp_vers = cpu_data[n].fpu_id;
@@ -95,6 +111,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         if (cpu_has_mipsmt)     seq_printf(m, "%s", " mt");
         if (cpu_has_mmips)      seq_printf(m, "%s", " micromips");
         if (cpu_has_vz)         seq_printf(m, "%s", " vz");
+        if (cpu_has_msa)        seq_printf(m, "%s", " msa");
+        if (cpu_has_eva)        seq_printf(m, "%s", " eva");
         seq_printf(m, "\n");
 
         if (cpu_has_mmips) {
@@ -118,6 +136,13 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                       cpu_has_vce ? "%u" : "not available");
         seq_printf(m, fmt, 'D', vced_count);
         seq_printf(m, fmt, 'I', vcei_count);
+
+        proc_cpuinfo_notifier_args.m = m;
+        proc_cpuinfo_notifier_args.n = n;
+
+        raw_notifier_call_chain(&proc_cpuinfo_chain, 0,
+                                &proc_cpuinfo_notifier_args);
+
         seq_printf(m, "\n");
 
         return 0;