diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index c965e5212714ee66cfe04e847544e213f44a7b2d..468489b57aae6d8d3eefabc0a27358f6e9553112 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -74,6 +74,7 @@ void __cpuinit detect_extended_topology(struct cpuinfo_x86 *c)
unsigned int eax, ebx, ecx, edx, sub_index;
unsigned int ht_mask_width, core_plus_mask_width;
unsigned int core_select_mask, core_level_siblings;
+ static bool printed;
if (c->cpuid_level < 0xb)
return;
@@ -127,12 +128,14 @@ void __cpuinit detect_extended_topology(struct cpuinfo_x86 *c)
c->x86_max_cores = (core_level_siblings / smp_num_siblings);
-
- printk(KERN_INFO "CPU: Physical Processor ID: %d\n",
- c->phys_proc_id);
- if (c->x86_max_cores > 1)
- printk(KERN_INFO "CPU: Processor Core ID: %d\n",
- c->cpu_core_id);
+ if (!printed) {
+ printk(KERN_INFO "CPU: Physical Processor ID: %d\n",
+ c->phys_proc_id);
+ if (c->x86_max_cores > 1)
+ printk(KERN_INFO "CPU: Processor Core ID: %d\n",
+ c->cpu_core_id);
+ printed = 1;
+ }
return;
#endif
}
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 7128b3799cecdd8c2f708124e1939c0686224511..8dc3ea145c975a3eebfbb1510f30c9ffa7b48e06 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -375,8 +375,6 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c)
node = nearby_node(apicid);
}
numa_set_node(cpu, node);
-
- printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node);
#endif
}
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index c1afa990a6c84bf49229a9c50052b063b9731236..0ee9a3254eecad2cfbc0449cf49f85c36a5e67d1 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -427,6 +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;
@@ -442,7 +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;
}
@@ -469,11 +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
}
@@ -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);
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index c900b73f92246d77cac96de3f9bd77685cf5d167..9c31e8b09d2c2676c29f87a68442e56878d6bece 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -270,8 +270,6 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c)
node = cpu_to_node(cpu);
}
numa_set_node(cpu, node);
-
- printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node);
#endif
}
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 4fef985fc221622623473c25e9abadda053095c9..1003ed4bbce4ebe3351157ebceffae8a5ecb4b40 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -339,8 +339,8 @@ void intel_init_thermal(struct cpuinfo_x86 *c)
l = apic_read(APIC_LVTTHMR);
apic_write(APIC_LVTTHMR, l & ~APIC_LVT_MASKED);
- printk(KERN_INFO "CPU%d: Thermal monitoring enabled (%s)\n",
- cpu, tm2 ? "TM2" : "TM1");
+ printk_once(KERN_INFO "CPU0: Thermal monitoring enabled (%s)\n",
+ tm2 ? "TM2" : "TM1");
/* enable thermal throttle processing */
atomic_set(&therm_throt_en, 1);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 29e6744f51e3a3eae22409725dd76f1f7f2ceddc..678d0b8c26f3152c67a833f3e782cb15c9d0a61b 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -671,6 +671,26 @@ static void __cpuinit do_fork_idle(struct work_struct *work)
complete(&c_idle->done);
}
+/* reduce the number of lines printed when booting a large cpu count system */
+static void __cpuinit announce_cpu(int cpu, int apicid)
+{
+ static int current_node = -1;
+ int node = cpu_to_node(cpu);
+
+ if (system_state == SYSTEM_BOOTING) {
+ if (node != current_node) {
+ if (current_node > (-1))
+ pr_cont(" Ok.\n");
+ current_node = node;
+ pr_info("Booting Node %3d, Processors ", node);
+ }
+ pr_cont(" #%d%s", cpu, cpu == (nr_cpu_ids - 1) ? " Ok.\n" : "");
+ return;
+ } else
+ pr_info("Booting Node %d Processor %d APIC 0x%x\n",
+ node, cpu, apicid);
+}
+
/*
* NOTE - on most systems this is a PHYSICAL apic ID, but on multiquad
* (ie clustered apic addressing mode), this is a LOGICAL apic ID.
@@ -737,9 +757,8 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
/* start_ip had better be page-aligned! */
start_ip = setup_trampoline();
- /* So we see what's up */
- printk(KERN_INFO "Booting processor %d APIC 0x%x ip 0x%lx\n",
- cpu, apicid, start_ip);
+ /* So we see what's up */
+ announce_cpu(cpu, apicid);
/*
* This grunge runs the startup process for
@@ -788,21 +807,17 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
udelay(100);
}
- if (cpumask_test_cpu(cpu, cpu_callin_mask)) {
- /* number CPUs logically, starting from 1 (BSP is 0) */
- pr_debug("OK.\n");
- printk(KERN_INFO "CPU%d: ", cpu);
- print_cpu_info(&cpu_data(cpu));
- pr_debug("CPU has booted.\n");
- } else {
+ if (cpumask_test_cpu(cpu, cpu_callin_mask))
+ pr_debug("CPU%d: has booted.\n", cpu);
+ else {
boot_error = 1;
if (*((volatile unsigned char *)trampoline_base)
== 0xA5)
/* trampoline started but...? */
- printk(KERN_ERR "Stuck ??\n");
+ pr_err("CPU%d: Stuck ??\n", cpu);
else
/* trampoline code not run */
- printk(KERN_ERR "Not responding.\n");
+ pr_err("CPU%d: Not responding.\n", cpu);
if (apic->inquire_remote_apic)
apic->inquire_remote_apic(apicid);
}
@@ -1293,14 +1308,16 @@ void native_cpu_die(unsigned int cpu)
for (i = 0; i < 10; i++) {
/* They ack this in play_dead by setting CPU_DEAD */
if (per_cpu(cpu_state, cpu) == CPU_DEAD) {
- printk(KERN_INFO "CPU %d is now offline\n", cpu);
+ if (system_state == SYSTEM_RUNNING)
+ pr_info("CPU %u is now offline\n", cpu);
+
if (1 == num_online_cpus())
alternatives_smp_switch(0);
return;
}
msleep(100);
}
- printk(KERN_ERR "CPU %u didn't die...\n", cpu);
+ pr_err("CPU %u didn't die...\n", cpu);
}
void play_dead_common(void)