diff options
Diffstat (limited to 'arch/mips/kernel/proc.c')
| -rw-r--r-- | arch/mips/kernel/proc.c | 64 |
1 files changed, 44 insertions, 20 deletions
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 8c58d8a84bf..037a44d962f 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; @@ -65,26 +81,25 @@ static int show_cpuinfo(struct seq_file *m, void *v) cpu_data[n].watch_reg_masks[i]); seq_printf(m, "]\n"); } - if (cpu_has_mips_r) { - seq_printf(m, "isa\t\t\t: mips1"); - if (cpu_has_mips_2) - seq_printf(m, "%s", " mips2"); - if (cpu_has_mips_3) - seq_printf(m, "%s", " mips3"); - if (cpu_has_mips_4) - seq_printf(m, "%s", " mips4"); - if (cpu_has_mips_5) - seq_printf(m, "%s", " mips5"); - if (cpu_has_mips32r1) - seq_printf(m, "%s", " mips32r1"); - if (cpu_has_mips32r2) - seq_printf(m, "%s", " mips32r2"); - if (cpu_has_mips64r1) - seq_printf(m, "%s", " mips64r1"); - if (cpu_has_mips64r2) - seq_printf(m, "%s", " mips64r2"); - seq_printf(m, "\n"); - } + + seq_printf(m, "isa\t\t\t: mips1"); + if (cpu_has_mips_2) + seq_printf(m, "%s", " mips2"); + if (cpu_has_mips_3) + seq_printf(m, "%s", " mips3"); + if (cpu_has_mips_4) + seq_printf(m, "%s", " mips4"); + if (cpu_has_mips_5) + seq_printf(m, "%s", " mips5"); + if (cpu_has_mips32r1) + seq_printf(m, "%s", " mips32r1"); + if (cpu_has_mips32r2) + seq_printf(m, "%s", " mips32r2"); + if (cpu_has_mips64r1) + seq_printf(m, "%s", " mips64r1"); + if (cpu_has_mips64r2) + seq_printf(m, "%s", " mips64r2"); + seq_printf(m, "\n"); seq_printf(m, "ASEs implemented\t:"); if (cpu_has_mips16) seq_printf(m, "%s", " mips16"); @@ -96,6 +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) { @@ -112,6 +129,13 @@ 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; |