x86: split cpuinfo from setup_64.c into cpu/proc_64.c

x86 /proc/cpuinfo code can be unified.
This is the first step of unification.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index a0c4d7c..8ba7d28 100644 (file)
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_X86_32)  += transmeta.o
 obj-$(CONFIG_X86_32)   += intel.o
 obj-$(CONFIG_X86_32)   += nexgen.o
 obj-$(CONFIG_X86_32)   += umc.o
+obj-$(CONFIG_X86_64)   += proc_64.o
 
 obj-$(CONFIG_X86_MCE)  += mcheck/
 obj-$(CONFIG_MTRR)     += mtrr/

diff --git a/arch/x86/kernel/cpu/proc_64.c b/arch/x86/kernel/cpu/proc_64.c
new file mode 100644 (file)
index 0000000..bf4a94b
--- /dev/null
+++ b/arch/x86/kernel/cpu/proc_64.c
@@ -0,0 +1,126 @@
+#include <linux/smp.h>
+#include <linux/timex.h>
+#include <linux/string.h>
+#include <asm/semaphore.h>
+#include <linux/seq_file.h>
+#include <linux/cpufreq.h>
+
+/*
+ *     Get CPU information for use by the procfs.
+ */
+
+static int show_cpuinfo(struct seq_file *m, void *v)
+{
+       struct cpuinfo_x86 *c = v;
+       int cpu = 0, i;
+
+#ifdef CONFIG_SMP
+       cpu = c->cpu_index;
+#endif
+
+       seq_printf(m, "processor\t: %u\n"
+                  "vendor_id\t: %s\n"
+                  "cpu family\t: %d\n"
+                  "model\t\t: %d\n"
+                  "model name\t: %s\n",
+                  (unsigned)cpu,
+                  c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
+                  c->x86,
+                  (int)c->x86_model,
+                  c->x86_model_id[0] ? c->x86_model_id : "unknown");
+
+       if (c->x86_mask || c->cpuid_level >= 0)
+               seq_printf(m, "stepping\t: %d\n", c->x86_mask);
+       else
+               seq_printf(m, "stepping\t: unknown\n");
+
+       if (cpu_has(c, X86_FEATURE_TSC)) {
+               unsigned int freq = cpufreq_quick_get((unsigned)cpu);
+
+               if (!freq)
+                       freq = cpu_khz;
+               seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
+                          freq / 1000, (freq % 1000));
+       }
+
+       /* Cache size */
+       if (c->x86_cache_size >= 0)
+               seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
+
+#ifdef CONFIG_SMP
+       if (smp_num_siblings * c->x86_max_cores > 1) {
+               seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
+               seq_printf(m, "siblings\t: %d\n",
+                              cpus_weight(per_cpu(cpu_core_map, cpu)));
+               seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
+               seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
+       }
+#endif
+
+       seq_printf(m,
+                  "fpu\t\t: yes\n"
+                  "fpu_exception\t: yes\n"
+                  "cpuid level\t: %d\n"
+                  "wp\t\t: yes\n"
+                  "flags\t\t:",
+                  c->cpuid_level);
+
+       for (i = 0; i < 32*NCAPINTS; i++)
+               if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
+                       seq_printf(m, " %s", x86_cap_flags[i]);
+
+       seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
+                  c->loops_per_jiffy/(500000/HZ),
+                  (c->loops_per_jiffy/(5000/HZ)) % 100);
+
+       if (c->x86_tlbsize > 0)
+               seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
+       seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
+       seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
+
+       seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
+                  c->x86_phys_bits, c->x86_virt_bits);
+
+       seq_printf(m, "power management:");
+       for (i = 0; i < 32; i++) {
+               if (c->x86_power & (1 << i)) {
+                       if (i < ARRAY_SIZE(x86_power_flags) &&
+                           x86_power_flags[i])
+                               seq_printf(m, "%s%s",
+                                          x86_power_flags[i][0]?" ":"",
+                                          x86_power_flags[i]);
+                       else
+                               seq_printf(m, " [%d]", i);
+               }
+       }
+
+       seq_printf(m, "\n\n");
+
+       return 0;
+}
+
+static void *c_start(struct seq_file *m, loff_t *pos)
+{
+       if (*pos == 0)  /* just in case, cpu 0 is not the first */
+               *pos = first_cpu(cpu_online_map);
+       if ((*pos) < NR_CPUS && cpu_online(*pos))
+               return &cpu_data(*pos);
+       return NULL;
+}
+
+static void *c_next(struct seq_file *m, void *v, loff_t *pos)
+{
+       *pos = next_cpu(*pos, cpu_online_map);
+       return c_start(m, pos);
+}
+
+static void c_stop(struct seq_file *m, void *v)
+{
+}
+
+const struct seq_operations cpuinfo_op = {
+       .start = c_start,
+       .next = c_next,
+       .stop = c_stop,
+       .show = show_cpuinfo,
+};

diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index e679256..187f084 100644 (file)
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -1068,123 +1068,3 @@ static __init int setup_disablecpuid(char *arg)
        return 1;
 }
 __setup("clearcpuid=", setup_disablecpuid);
-
-/*
- *     Get CPU information for use by the procfs.
- */
-
-static int show_cpuinfo(struct seq_file *m, void *v)
-{
-       struct cpuinfo_x86 *c = v;
-       int cpu = 0, i;
-
-#ifdef CONFIG_SMP
-       cpu = c->cpu_index;
-#endif
-
-       seq_printf(m, "processor\t: %u\n"
-                  "vendor_id\t: %s\n"
-                  "cpu family\t: %d\n"
-                  "model\t\t: %d\n"
-                  "model name\t: %s\n",
-                  (unsigned)cpu,
-                  c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
-                  c->x86,
-                  (int)c->x86_model,
-                  c->x86_model_id[0] ? c->x86_model_id : "unknown");
-
-       if (c->x86_mask || c->cpuid_level >= 0)
-               seq_printf(m, "stepping\t: %d\n", c->x86_mask);
-       else
-               seq_printf(m, "stepping\t: unknown\n");
-
-       if (cpu_has(c, X86_FEATURE_TSC)) {
-               unsigned int freq = cpufreq_quick_get((unsigned)cpu);
-
-               if (!freq)
-                       freq = cpu_khz;
-               seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
-                          freq / 1000, (freq % 1000));
-       }
-
-       /* Cache size */
-       if (c->x86_cache_size >= 0)
-               seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
-
-#ifdef CONFIG_SMP
-       if (smp_num_siblings * c->x86_max_cores > 1) {
-               seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
-               seq_printf(m, "siblings\t: %d\n",
-                              cpus_weight(per_cpu(cpu_core_map, cpu)));
-               seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
-               seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
-       }
-#endif
-
-       seq_printf(m,
-                  "fpu\t\t: yes\n"
-                  "fpu_exception\t: yes\n"
-                  "cpuid level\t: %d\n"
-                  "wp\t\t: yes\n"
-                  "flags\t\t:",
-                  c->cpuid_level);
-
-       for (i = 0; i < 32*NCAPINTS; i++)
-               if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
-                       seq_printf(m, " %s", x86_cap_flags[i]);
-
-       seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
-                  c->loops_per_jiffy/(500000/HZ),
-                  (c->loops_per_jiffy/(5000/HZ)) % 100);
-
-       if (c->x86_tlbsize > 0)
-               seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
-       seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
-       seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
-
-       seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
-                  c->x86_phys_bits, c->x86_virt_bits);
-
-       seq_printf(m, "power management:");
-       for (i = 0; i < 32; i++) {
-               if (c->x86_power & (1 << i)) {
-                       if (i < ARRAY_SIZE(x86_power_flags) &&
-                           x86_power_flags[i])
-                               seq_printf(m, "%s%s",
-                                          x86_power_flags[i][0]?" ":"",
-                                          x86_power_flags[i]);
-                       else
-                               seq_printf(m, " [%d]", i);
-               }
-       }
-
-       seq_printf(m, "\n\n");
-
-       return 0;
-}
-
-static void *c_start(struct seq_file *m, loff_t *pos)
-{
-       if (*pos == 0)  /* just in case, cpu 0 is not the first */
-               *pos = first_cpu(cpu_online_map);
-       if ((*pos) < NR_CPUS && cpu_online(*pos))
-               return &cpu_data(*pos);
-       return NULL;
-}
-
-static void *c_next(struct seq_file *m, void *v, loff_t *pos)
-{
-       *pos = next_cpu(*pos, cpu_online_map);
-       return c_start(m, pos);
-}
-
-static void c_stop(struct seq_file *m, void *v)
-{
-}
-
-const struct seq_operations cpuinfo_op = {
-       .start = c_start,
-       .next = c_next,
-       .stop = c_stop,
-       .show = show_cpuinfo,
-};