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@@ -8,75 +8,90 @@
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/*
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* Get CPU information for use by the procfs.
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*/
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+static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
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+ unsigned int cpu)
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+{
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+#ifdef CONFIG_X86_HT
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+ if (c->x86_max_cores * smp_num_siblings > 1) {
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+ seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
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+ seq_printf(m, "siblings\t: %d\n",
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+ cpus_weight(per_cpu(cpu_core_map, cpu)));
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+ seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
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+ seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
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+ }
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+#endif
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+}
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+
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+static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c)
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+{
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+ /*
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+ * We use exception 16 if we have hardware math and we've either seen
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+ * it or the CPU claims it is internal
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+ */
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+ int fpu_exception = c->hard_math && (ignore_fpu_irq || cpu_has_fpu);
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+ seq_printf(m,
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+ "fdiv_bug\t: %s\n"
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+ "hlt_bug\t\t: %s\n"
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+ "f00f_bug\t: %s\n"
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+ "coma_bug\t: %s\n"
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+ "fpu\t\t: %s\n"
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+ "fpu_exception\t: %s\n"
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+ "cpuid level\t: %d\n"
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+ "wp\t\t: %s\n",
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+ c->fdiv_bug ? "yes" : "no",
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+ c->hlt_works_ok ? "no" : "yes",
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+ c->f00f_bug ? "yes" : "no",
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+ c->coma_bug ? "yes" : "no",
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+ c->hard_math ? "yes" : "no",
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+ fpu_exception ? "yes" : "no",
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+ c->cpuid_level,
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+ c->wp_works_ok ? "yes" : "no");
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+}
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+
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static int show_cpuinfo(struct seq_file *m, void *v)
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{
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struct cpuinfo_x86 *c = v;
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- int i, n = 0;
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- int fpu_exception;
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+ unsigned int cpu = 0;
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+ int i;
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#ifdef CONFIG_SMP
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- n = c->cpu_index;
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+ cpu = c->cpu_index;
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#endif
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- seq_printf(m, "processor\t: %d\n"
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- "vendor_id\t: %s\n"
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- "cpu family\t: %d\n"
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- "model\t\t: %d\n"
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- "model name\t: %s\n",
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- n,
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- c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
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- c->x86,
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- c->x86_model,
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- c->x86_model_id[0] ? c->x86_model_id : "unknown");
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+ seq_printf(m, "processor\t: %u\n"
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+ "vendor_id\t: %s\n"
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+ "cpu family\t: %d\n"
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+ "model\t\t: %u\n"
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+ "model name\t: %s\n",
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+ cpu,
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+ c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
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+ c->x86,
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+ c->x86_model,
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+ c->x86_model_id[0] ? c->x86_model_id : "unknown");
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if (c->x86_mask || c->cpuid_level >= 0)
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seq_printf(m, "stepping\t: %d\n", c->x86_mask);
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else
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seq_printf(m, "stepping\t: unknown\n");
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- if ( cpu_has(c, X86_FEATURE_TSC) ) {
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- unsigned int freq = cpufreq_quick_get(n);
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+ if (cpu_has(c, X86_FEATURE_TSC)) {
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+ unsigned int freq = cpufreq_quick_get(cpu);
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+
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if (!freq)
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freq = cpu_khz;
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seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
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- freq / 1000, (freq % 1000));
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+ freq / 1000, (freq % 1000));
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}
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/* Cache size */
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if (c->x86_cache_size >= 0)
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seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
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-#ifdef CONFIG_X86_HT
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- if (c->x86_max_cores * smp_num_siblings > 1) {
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- seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
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- seq_printf(m, "siblings\t: %d\n",
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- cpus_weight(per_cpu(cpu_core_map, n)));
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- seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
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- seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
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- }
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-#endif
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-
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- /* We use exception 16 if we have hardware math and we've either seen it or the CPU claims it is internal */
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- fpu_exception = c->hard_math && (ignore_fpu_irq || cpu_has_fpu);
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- seq_printf(m, "fdiv_bug\t: %s\n"
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- "hlt_bug\t\t: %s\n"
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- "f00f_bug\t: %s\n"
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- "coma_bug\t: %s\n"
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- "fpu\t\t: %s\n"
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- "fpu_exception\t: %s\n"
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- "cpuid level\t: %d\n"
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- "wp\t\t: %s\n"
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- "flags\t\t:",
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- c->fdiv_bug ? "yes" : "no",
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- c->hlt_works_ok ? "no" : "yes",
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- c->f00f_bug ? "yes" : "no",
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- c->coma_bug ? "yes" : "no",
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- c->hard_math ? "yes" : "no",
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- fpu_exception ? "yes" : "no",
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- c->cpuid_level,
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- c->wp_works_ok ? "yes" : "no");
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-
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- for ( i = 0 ; i < 32*NCAPINTS ; i++ )
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- if ( test_bit(i, c->x86_capability) &&
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- x86_cap_flags[i] != NULL )
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+
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+ show_cpuinfo_core(m, c, cpu);
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+ show_cpuinfo_misc(m, c);
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+
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+ seq_printf(m, "flags\t\t:");
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+ for (i = 0; i < 32*NCAPINTS; i++)
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+ if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
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seq_printf(m, " %s", x86_cap_flags[i]);
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for (i = 0; i < 32; i++)
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@@ -91,8 +106,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
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}
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seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
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- c->loops_per_jiffy/(500000/HZ),
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- (c->loops_per_jiffy/(5000/HZ)) % 100);
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+ c->loops_per_jiffy/(500000/HZ),
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+ (c->loops_per_jiffy/(5000/HZ)) % 100);
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seq_printf(m, "clflush size\t: %u\n\n", c->x86_clflush_size);
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return 0;
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@@ -106,14 +121,17 @@ static void *c_start(struct seq_file *m, loff_t *pos)
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return &cpu_data(*pos);
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return NULL;
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}
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+
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static void *c_next(struct seq_file *m, void *v, loff_t *pos)
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{
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*pos = next_cpu(*pos, cpu_online_map);
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return c_start(m, pos);
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}
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+
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static void c_stop(struct seq_file *m, void *v)
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{
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}
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+
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const struct seq_operations cpuinfo_op = {
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.start = c_start,
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.next = c_next,
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