call_function_many: fix list delete vs add race
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / mips / kernel / proc.c
blob26109c4d51704ae5ca9a1d83cacc4fe30b3c399d
1 /*
2 * Copyright (C) 1995, 1996, 2001 Ralf Baechle
3 * Copyright (C) 2001, 2004 MIPS Technologies, Inc.
4 * Copyright (C) 2004 Maciej W. Rozycki
5 */
6 #include <linux/delay.h>
7 #include <linux/kernel.h>
8 #include <linux/sched.h>
9 #include <linux/seq_file.h>
10 #include <asm/bootinfo.h>
11 #include <asm/cpu.h>
12 #include <asm/cpu-features.h>
13 #include <asm/mipsregs.h>
14 #include <asm/processor.h>
16 unsigned int vced_count, vcei_count;
18 static int show_cpuinfo(struct seq_file *m, void *v)
20 unsigned long n = (unsigned long) v - 1;
21 unsigned int version = cpu_data[n].processor_id;
22 unsigned int fp_vers = cpu_data[n].fpu_id;
23 char fmt [64];
24 int i;
26 #ifdef CONFIG_SMP
27 if (!cpu_isset(n, cpu_online_map))
28 return 0;
29 #endif
32 * For the first processor also print the system type
34 if (n == 0)
35 seq_printf(m, "system type\t\t: %s\n", get_system_type());
37 seq_printf(m, "processor\t\t: %ld\n", n);
38 sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
39 cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : "");
40 seq_printf(m, fmt, __cpu_name[n],
41 (version >> 4) & 0x0f, version & 0x0f,
42 (fp_vers >> 4) & 0x0f, fp_vers & 0x0f);
43 seq_printf(m, "BogoMIPS\t\t: %u.%02u\n",
44 cpu_data[n].udelay_val / (500000/HZ),
45 (cpu_data[n].udelay_val / (5000/HZ)) % 100);
46 seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no");
47 seq_printf(m, "microsecond timers\t: %s\n",
48 cpu_has_counter ? "yes" : "no");
49 seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize);
50 seq_printf(m, "extra interrupt vector\t: %s\n",
51 cpu_has_divec ? "yes" : "no");
52 seq_printf(m, "hardware watchpoint\t: %s",
53 cpu_has_watch ? "yes, " : "no\n");
54 if (cpu_has_watch) {
55 seq_printf(m, "count: %d, address/irw mask: [",
56 cpu_data[n].watch_reg_count);
57 for (i = 0; i < cpu_data[n].watch_reg_count; i++)
58 seq_printf(m, "%s0x%04x", i ? ", " : "" ,
59 cpu_data[n].watch_reg_masks[i]);
60 seq_printf(m, "]\n");
62 seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n",
63 cpu_has_mips16 ? " mips16" : "",
64 cpu_has_mdmx ? " mdmx" : "",
65 cpu_has_mips3d ? " mips3d" : "",
66 cpu_has_smartmips ? " smartmips" : "",
67 cpu_has_dsp ? " dsp" : "",
68 cpu_has_mipsmt ? " mt" : ""
70 seq_printf(m, "shadow register sets\t: %d\n",
71 cpu_data[n].srsets);
72 seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core);
74 sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",
75 cpu_has_vce ? "%u" : "not available");
76 seq_printf(m, fmt, 'D', vced_count);
77 seq_printf(m, fmt, 'I', vcei_count);
78 seq_printf(m, "\n");
80 return 0;
83 static void *c_start(struct seq_file *m, loff_t *pos)
85 unsigned long i = *pos;
87 return i < NR_CPUS ? (void *) (i + 1) : NULL;
90 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
92 ++*pos;
93 return c_start(m, pos);
96 static void c_stop(struct seq_file *m, void *v)
100 const struct seq_operations cpuinfo_op = {
101 .start = c_start,
102 .next = c_next,
103 .stop = c_stop,
104 .show = show_cpuinfo,