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authorHelge Deller <deller@gmx.de>2008-12-31 03:12:10 +0000
committerKyle McMartin <kyle@mcmartin.ca>2009-01-05 19:09:02 +0000
commitef017bebd01c1b4e075d649eee0c8c1c79f9ceb9 (patch)
tree56643af889719538c1cbade6dfe5b7cefb1d0ffa /arch/parisc/kernel/smp.c
parent7f2347a44d2d5c8edf04d6950f4fb21ac868d256 (diff)
downloadlinux-ef017bebd01c1b4e075d649eee0c8c1c79f9ceb9.tar.gz
parisc: Replace NR_CPUS in parisc code
parisc: Replace most arrays sized by NR_CPUS with percpu variables.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Diffstat (limited to 'arch/parisc/kernel/smp.c')
-rw-r--r--arch/parisc/kernel/smp.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 70a5e0d50685..9995d7ed5819 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -56,16 +56,17 @@ static int smp_debug_lvl = 0;
 		if (lvl >= smp_debug_lvl)	\
 			printk(printargs);
 #else
-#define smp_debug(lvl, ...)
+#define smp_debug(lvl, ...)	do { } while(0)
 #endif /* DEBUG_SMP */
 
 DEFINE_SPINLOCK(smp_lock);
 
 volatile struct task_struct *smp_init_current_idle_task;
 
-static volatile int cpu_now_booting __read_mostly = 0;	/* track which CPU is booting */
+/* track which CPU is booting */
+static volatile int cpu_now_booting __cpuinitdata;
 
-static int parisc_max_cpus __read_mostly = 1;
+static int parisc_max_cpus __cpuinitdata = 1;
 
 DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
 
@@ -123,7 +124,7 @@ irqreturn_t
 ipi_interrupt(int irq, void *dev_id) 
 {
 	int this_cpu = smp_processor_id();
-	struct cpuinfo_parisc *p = &cpu_data[this_cpu];
+	struct cpuinfo_parisc *p = &per_cpu(cpu_data, this_cpu);
 	unsigned long ops;
 	unsigned long flags;
 
@@ -202,13 +203,13 @@ ipi_interrupt(int irq, void *dev_id)
 static inline void
 ipi_send(int cpu, enum ipi_message_type op)
 {
-	struct cpuinfo_parisc *p = &cpu_data[cpu];
+	struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpu);
 	spinlock_t *lock = &per_cpu(ipi_lock, cpu);
 	unsigned long flags;
 
 	spin_lock_irqsave(lock, flags);
 	p->pending_ipi |= 1 << op;
-	gsc_writel(IPI_IRQ - CPU_IRQ_BASE, cpu_data[cpu].hpa);
+	gsc_writel(IPI_IRQ - CPU_IRQ_BASE, p->hpa);
 	spin_unlock_irqrestore(lock, flags);
 }
 
@@ -341,6 +342,7 @@ void __init smp_callin(void)
  */
 int __cpuinit smp_boot_one_cpu(int cpuid)
 {
+	const struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpuid);
 	struct task_struct *idle;
 	long timeout;
 
@@ -372,7 +374,7 @@ int __cpuinit smp_boot_one_cpu(int cpuid)
 	smp_init_current_idle_task = idle ;
 	mb();
 
-	printk("Releasing cpu %d now, hpa=%lx\n", cpuid, cpu_data[cpuid].hpa);
+	printk(KERN_INFO "Releasing cpu %d now, hpa=%lx\n", cpuid, p->hpa);
 
 	/*
 	** This gets PDC to release the CPU from a very tight loop.
@@ -383,7 +385,7 @@ int __cpuinit smp_boot_one_cpu(int cpuid)
 	** EIR{0}). MEM_RENDEZ is valid only when it is nonzero and the 
 	** contents of memory are valid."
 	*/
-	gsc_writel(TIMER_IRQ - CPU_IRQ_BASE, cpu_data[cpuid].hpa);
+	gsc_writel(TIMER_IRQ - CPU_IRQ_BASE, p->hpa);
 	mb();
 
 	/* 
@@ -415,12 +417,12 @@ alive:
 	return 0;
 }
 
-void __devinit smp_prepare_boot_cpu(void)
+void __init smp_prepare_boot_cpu(void)
 {
-	int bootstrap_processor=cpu_data[0].cpuid;	/* CPU ID of BSP */
+	int bootstrap_processor = per_cpu(cpu_data, 0).cpuid;
 
 	/* Setup BSP mappings */
-	printk("SMP: bootstrap CPU ID is %d\n",bootstrap_processor);
+	printk(KERN_INFO "SMP: bootstrap CPU ID is %d\n", bootstrap_processor);
 
 	cpu_set(bootstrap_processor, cpu_online_map);
 	cpu_set(bootstrap_processor, cpu_present_map);