Merge branch 'master' into percpu

Conflicts:
	arch/powerpc/platforms/pseries/hvCall.S
	include/linux/percpu.h

1 files changed, 34 insertions, 24 deletions

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 565ebc65920e..678d0b8c26f3 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.
@@ -687,7 +707,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
                 .done   = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
         };
 
-        INIT_WORK(&c_idle.work, do_fork_idle);
+        INIT_WORK_ON_STACK(&c_idle.work, do_fork_idle);
 
         alternatives_smp_switch(1);
 
@@ -713,6 +733,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
 
         if (IS_ERR(c_idle.idle)) {
                 printk("failed fork for CPU %d\n", cpu);
+                destroy_work_on_stack(&c_idle.work);
                 return PTR_ERR(c_idle.idle);
         }
 
@@ -736,9 +757,8 @@ do_rest:
         /* 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
@@ -787,21 +807,17 @@ do_rest:
                         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);
                 }
@@ -831,6 +847,7 @@ do_rest:
                 smpboot_restore_warm_reset_vector();
         }
 
+        destroy_work_on_stack(&c_idle.work);
         return boot_error;
 }
 
@@ -1250,16 +1267,7 @@ static void __ref remove_cpu_from_maps(int cpu)
 void cpu_disable_common(void)
 {
         int cpu = smp_processor_id();
-        /*
-         * HACK:
-         * Allow any queued timer interrupts to get serviced
-         * This is only a temporary solution until we cleanup
-         * fixup_irqs as we do for IA64.
-         */
-        local_irq_enable();
-        mdelay(1);
 
-        local_irq_disable();
         remove_siblinginfo(cpu);
 
         /* It's now safe to remove this processor from the online map */
@@ -1300,14 +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)