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Diffstat (limited to 'arch/mips/kernel/proc.c')
-rw-r--r--arch/mips/kernel/proc.c25
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;