diff options
Diffstat (limited to 'arch/mips/kernel/proc.c')
-rw-r--r-- | arch/mips/kernel/proc.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index f0df7fd..e40971b 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; @@ -120,6 +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; |