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Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r--arch/x86/kernel/cpu/common.c44
1 files changed, 23 insertions, 21 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 3192f22..4868e4a 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -61,7 +61,7 @@ void __init setup_cpu_local_masks(void)
static void __cpuinit default_init(struct cpuinfo_x86 *c)
{
#ifdef CONFIG_X86_64
- display_cacheinfo(c);
+ cpu_detect_cache_sizes(c);
#else
/* Not much we can do here... */
/* Check if at least it has cpuid */
@@ -383,7 +383,7 @@ static void __cpuinit get_model_name(struct cpuinfo_x86 *c)
}
}
-void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
+void __cpuinit cpu_detect_cache_sizes(struct cpuinfo_x86 *c)
{
unsigned int n, dummy, ebx, ecx, edx, l2size;
@@ -391,8 +391,6 @@ void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
if (n >= 0x80000005) {
cpuid(0x80000005, &dummy, &ebx, &ecx, &edx);
- printk(KERN_INFO "CPU: L1 I Cache: %dK (%d bytes/line), D cache %dK (%d bytes/line)\n",
- edx>>24, edx&0xFF, ecx>>24, ecx&0xFF);
c->x86_cache_size = (ecx>>24) + (edx>>24);
#ifdef CONFIG_X86_64
/* On K8 L1 TLB is inclusive, so don't count it */
@@ -422,9 +420,6 @@ void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
#endif
c->x86_cache_size = l2size;
-
- printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n",
- l2size, ecx & 0xFF);
}
void __cpuinit detect_ht(struct cpuinfo_x86 *c)
@@ -432,6 +427,7 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
#ifdef CONFIG_X86_HT
u32 eax, ebx, ecx, edx;
int index_msb, core_bits;
+ static bool printed;
if (!cpu_has(c, X86_FEATURE_HT))
return;
@@ -447,7 +443,7 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
smp_num_siblings = (ebx & 0xff0000) >> 16;
if (smp_num_siblings == 1) {
- printk(KERN_INFO "CPU: Hyper-Threading is disabled\n");
+ printk_once(KERN_INFO "CPU0: Hyper-Threading is disabled\n");
goto out;
}
@@ -474,11 +470,12 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
((1 << core_bits) - 1);
out:
- if ((c->x86_max_cores * smp_num_siblings) > 1) {
+ if (!printed && (c->x86_max_cores * smp_num_siblings) > 1) {
printk(KERN_INFO "CPU: Physical Processor ID: %d\n",
c->phys_proc_id);
printk(KERN_INFO "CPU: Processor Core ID: %d\n",
c->cpu_core_id);
+ printed = 1;
}
#endif
}
@@ -659,24 +656,31 @@ void __init early_cpu_init(void)
const struct cpu_dev *const *cdev;
int count = 0;
+#ifdef PROCESSOR_SELECT
printk(KERN_INFO "KERNEL supported cpus:\n");
+#endif
+
for (cdev = __x86_cpu_dev_start; cdev < __x86_cpu_dev_end; cdev++) {
const struct cpu_dev *cpudev = *cdev;
- unsigned int j;
if (count >= X86_VENDOR_NUM)
break;
cpu_devs[count] = cpudev;
count++;
- for (j = 0; j < 2; j++) {
- if (!cpudev->c_ident[j])
- continue;
- printk(KERN_INFO " %s %s\n", cpudev->c_vendor,
- cpudev->c_ident[j]);
+#ifdef PROCESSOR_SELECT
+ {
+ unsigned int j;
+
+ for (j = 0; j < 2; j++) {
+ if (!cpudev->c_ident[j])
+ continue;
+ printk(KERN_INFO " %s %s\n", cpudev->c_vendor,
+ cpudev->c_ident[j]);
+ }
}
+#endif
}
-
early_identify_cpu(&boot_cpu_data);
}
@@ -837,10 +841,8 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
boot_cpu_data.x86_capability[i] &= c->x86_capability[i];
}
-#ifdef CONFIG_X86_MCE
/* Init Machine Check Exception if available. */
- mcheck_init(c);
-#endif
+ mcheck_cpu_init(c);
select_idle_routine(c);
@@ -1115,7 +1117,7 @@ void __cpuinit cpu_init(void)
if (cpumask_test_and_set_cpu(cpu, cpu_initialized_mask))
panic("CPU#%d already initialized!\n", cpu);
- printk(KERN_INFO "Initializing CPU#%d\n", cpu);
+ pr_debug("Initializing CPU#%d\n", cpu);
clear_in_cr4(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
@@ -1136,7 +1138,7 @@ void __cpuinit cpu_init(void)
wrmsrl(MSR_KERNEL_GS_BASE, 0);
barrier();
- check_efer();
+ x86_configure_nx();
if (cpu != 0)
enable_x2apic();
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