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>
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/system.h>
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/system.h>
#endif /* __ASSEMBLY__ */
#define KERNEL_STACK_SIZE (4*PAGE_SIZE)
#endif /* __ASSEMBLY__ */
#define KERNEL_STACK_SIZE (4*PAGE_SIZE)
};
extern struct system_cpuinfo_parisc boot_cpu_data;
};
extern struct system_cpuinfo_parisc boot_cpu_data;
-extern struct cpuinfo_parisc cpu_data[NR_CPUS];
-#define current_cpu_data cpu_data[smp_processor_id()]
+DECLARE_PER_CPU(struct cpuinfo_parisc, cpu_data);
#define CPU_HVERSION ((boot_cpu_data.hversion >> 4) & 0x0FFF)
#define CPU_HVERSION ((boot_cpu_data.hversion >> 4) & 0x0FFF)
irq_desc[irq].affinity = cpumask_of_cpu(cpu);
#endif
irq_desc[irq].affinity = cpumask_of_cpu(cpu);
#endif
- return cpu_data[cpu].txn_addr;
+ return per_cpu(cpu_data, cpu).txn_addr;
next_cpu++; /* assign to "next" CPU we want this bugger on */
/* validate entry */
next_cpu++; /* assign to "next" CPU we want this bugger on */
/* validate entry */
- while ((next_cpu < NR_CPUS) && (!cpu_data[next_cpu].txn_addr ||
- !cpu_online(next_cpu)))
+ while ((next_cpu < NR_CPUS) &&
+ (!per_cpu(cpu_data, next_cpu).txn_addr ||
+ !cpu_online(next_cpu)))
next_cpu++;
if (next_cpu >= NR_CPUS)
next_cpu++;
if (next_cpu >= NR_CPUS)
printk(KERN_DEBUG "redirecting irq %d from CPU %d to %d\n",
irq, smp_processor_id(), cpu);
gsc_writel(irq + CPU_IRQ_BASE,
printk(KERN_DEBUG "redirecting irq %d from CPU %d to %d\n",
irq, smp_processor_id(), cpu);
gsc_writel(irq + CPU_IRQ_BASE,
+ per_cpu(cpu_data, cpu).hpa);
spin_lock_init(&perf_lock);
/* TODO: this only lets us access the first cpu.. what to do for SMP? */
spin_lock_init(&perf_lock);
/* TODO: this only lets us access the first cpu.. what to do for SMP? */
- cpu_device = cpu_data[0].dev;
+ cpu_device = per_cpu(cpu_data, 0).dev;
printk("Performance monitoring counters enabled for %s\n",
printk("Performance monitoring counters enabled for %s\n",
- cpu_data[0].dev->name);
+ per_cpu(cpu_data, 0).dev->name);
* Initial setup-routines for HP 9000 based hardware.
*
* Copyright (C) 1991, 1992, 1995 Linus Torvalds
* Initial setup-routines for HP 9000 based hardware.
*
* Copyright (C) 1991, 1992, 1995 Linus Torvalds
- * Modifications for PA-RISC (C) 1999 Helge Deller <deller@gmx.de>
+ * Modifications for PA-RISC (C) 1999-2008 Helge Deller <deller@gmx.de>
* Modifications copyright 1999 SuSE GmbH (Philipp Rumpf)
* Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net>
* Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org>
* Modifications copyright 1999 SuSE GmbH (Philipp Rumpf)
* Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net>
* Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org>
struct system_cpuinfo_parisc boot_cpu_data __read_mostly;
EXPORT_SYMBOL(boot_cpu_data);
struct system_cpuinfo_parisc boot_cpu_data __read_mostly;
EXPORT_SYMBOL(boot_cpu_data);
-struct cpuinfo_parisc cpu_data[NR_CPUS] __read_mostly;
+DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data);
extern int update_cr16_clocksource(void); /* from time.c */
extern int update_cr16_clocksource(void); /* from time.c */
+ * init_cpu_profiler - enable/setup per cpu profiling hooks.
+ * @cpunum: The processor instance.
+ *
+ * FIXME: doesn't do much yet...
+ */
+static void __cpuinit
+init_percpu_prof(unsigned long cpunum)
+{
+ struct cpuinfo_parisc *p;
+
+ p = &per_cpu(cpu_data, cpunum);
+ p->prof_counter = 1;
+ p->prof_multiplier = 1;
+}
+
+
+/**
* processor_probe - Determine if processor driver should claim this device.
* @dev: The device which has been found.
*
* processor_probe - Determine if processor driver should claim this device.
* @dev: The device which has been found.
*
+ p = &per_cpu(cpu_data, cpuid);
boot_cpu_data.cpu_count++;
/* initialize counters - CPU 0 gets it_value set in time_init() */
boot_cpu_data.cpu_count++;
/* initialize counters - CPU 0 gets it_value set in time_init() */
#ifdef CONFIG_SMP
/*
** FIXME: review if any other initialization is clobbered
#ifdef CONFIG_SMP
/*
** FIXME: review if any other initialization is clobbered
- ** for boot_cpu by the above memset().
+ ** for boot_cpu by the above memset().
-
- /* stolen from init_percpu_prof() */
- cpu_data[cpuid].prof_counter = 1;
- cpu_data[cpuid].prof_multiplier = 1;
+ init_percpu_prof(cpuid);
-/**
- * init_cpu_profiler - enable/setup per cpu profiling hooks.
- * @cpunum: The processor instance.
- *
- * FIXME: doesn't do much yet...
- */
-static inline void __init
-init_percpu_prof(int cpunum)
-{
- cpu_data[cpunum].prof_counter = 1;
- cpu_data[cpunum].prof_multiplier = 1;
-}
-
/**
* init_per_cpu - Handle individual processor initializations.
/**
* init_per_cpu - Handle individual processor initializations.
*
* o Enable CPU profiling hooks.
*/
*
* o Enable CPU profiling hooks.
*/
-int __init init_per_cpu(int cpunum)
+int __cpuinit init_per_cpu(int cpunum)
{
int ret;
struct pdc_coproc_cfg coproc_cfg;
{
int ret;
struct pdc_coproc_cfg coproc_cfg;
/* FWIW, FP rev/model is a more accurate way to determine
** CPU type. CPU rev/model has some ambiguous cases.
*/
/* FWIW, FP rev/model is a more accurate way to determine
** CPU type. CPU rev/model has some ambiguous cases.
*/
- cpu_data[cpunum].fp_rev = coproc_cfg.revision;
- cpu_data[cpunum].fp_model = coproc_cfg.model;
+ per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
+ per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n",
cpunum, coproc_cfg.revision, coproc_cfg.model);
printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n",
cpunum, coproc_cfg.revision, coproc_cfg.model);
int
show_cpuinfo (struct seq_file *m, void *v)
{
int
show_cpuinfo (struct seq_file *m, void *v)
{
- for(n=0; n<boot_cpu_data.cpu_count; n++) {
+ for_each_online_cpu(cpu) {
+ const struct cpuinfo_parisc *cpuinfo = &per_cpu(cpu_data, cpu);
- if (0 == cpu_data[n].hpa)
- seq_printf(m, "processor\t: %d\n"
+ seq_printf(m, "processor\t: %lu\n"
"cpu family\t: PA-RISC %s\n",
"cpu family\t: PA-RISC %s\n",
- n, boot_cpu_data.family_name);
+ cpu, boot_cpu_data.family_name);
seq_printf(m, "cpu\t\t: %s\n", boot_cpu_data.cpu_name );
seq_printf(m, "cpu\t\t: %s\n", boot_cpu_data.cpu_name );
seq_printf(m, "model\t\t: %s\n"
"model name\t: %s\n",
boot_cpu_data.pdc.sys_model_name,
seq_printf(m, "model\t\t: %s\n"
"model name\t: %s\n",
boot_cpu_data.pdc.sys_model_name,
- cpu_data[n].dev ?
- cpu_data[n].dev->name : "Unknown" );
+ cpuinfo->dev ?
+ cpuinfo->dev->name : "Unknown");
seq_printf(m, "hversion\t: 0x%08x\n"
"sversion\t: 0x%08x\n",
seq_printf(m, "hversion\t: 0x%08x\n"
"sversion\t: 0x%08x\n",
show_cache_info(m);
seq_printf(m, "bogomips\t: %lu.%02lu\n",
show_cache_info(m);
seq_printf(m, "bogomips\t: %lu.%02lu\n",
- cpu_data[n].loops_per_jiffy / (500000 / HZ),
- (cpu_data[n].loops_per_jiffy / (5000 / HZ)) % 100);
+ cpuinfo->loops_per_jiffy / (500000 / HZ),
+ (cpuinfo->loops_per_jiffy / (5000 / HZ)) % 100);
seq_printf(m, "software id\t: %ld\n\n",
boot_cpu_data.pdc.model.sw_id);
seq_printf(m, "software id\t: %ld\n\n",
boot_cpu_data.pdc.model.sw_id);
processor_init();
printk(KERN_INFO "CPU(s): %d x %s at %d.%06d MHz\n",
processor_init();
printk(KERN_INFO "CPU(s): %d x %s at %d.%06d MHz\n",
- boot_cpu_data.cpu_count,
boot_cpu_data.cpu_name,
boot_cpu_data.cpu_hz / 1000000,
boot_cpu_data.cpu_hz % 1000000 );
boot_cpu_data.cpu_name,
boot_cpu_data.cpu_hz / 1000000,
boot_cpu_data.cpu_hz % 1000000 );
if (ret >= 0 && coproc_cfg.ccr_functional) {
mtctl(coproc_cfg.ccr_functional, 10);
if (ret >= 0 && coproc_cfg.ccr_functional) {
mtctl(coproc_cfg.ccr_functional, 10);
- cpu_data[cpunum].fp_rev = coproc_cfg.revision;
- cpu_data[cpunum].fp_model = coproc_cfg.model;
+ per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
+ per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
asm volatile ("fstd %fr0,8(%sp)");
} else {
asm volatile ("fstd %fr0,8(%sp)");
} else {
if (lvl >= smp_debug_lvl) \
printk(printargs);
#else
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;
#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;
DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
ipi_interrupt(int irq, void *dev_id)
{
int this_cpu = smp_processor_id();
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;
unsigned long ops;
unsigned long flags;
static inline void
ipi_send(int cpu, enum ipi_message_type op)
{
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;
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);
}
spin_unlock_irqrestore(lock, flags);
}
*/
int __cpuinit smp_boot_one_cpu(int cpuid)
{
*/
int __cpuinit smp_boot_one_cpu(int cpuid)
{
+ const struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpuid);
struct task_struct *idle;
long timeout;
struct task_struct *idle;
long timeout;
smp_init_current_idle_task = idle ;
mb();
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.
/*
** This gets PDC to release the CPU from a very tight loop.
** EIR{0}). MEM_RENDEZ is valid only when it is nonzero and the
** contents of memory are valid."
*/
** 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);
-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;
- 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);
cpu_set(bootstrap_processor, cpu_online_map);
cpu_set(bootstrap_processor, cpu_present_map);
unsigned long cycles_elapsed, ticks_elapsed;
unsigned long cycles_remainder;
unsigned int cpu = smp_processor_id();
unsigned long cycles_elapsed, ticks_elapsed;
unsigned long cycles_remainder;
unsigned int cpu = smp_processor_id();
- struct cpuinfo_parisc *cpuinfo = &cpu_data[cpu];
+ struct cpuinfo_parisc *cpuinfo = &per_cpu(cpu_data, cpu);
/* gcc can optimize for "read-only" case with a local clocktick */
unsigned long cpt = clocktick;
/* gcc can optimize for "read-only" case with a local clocktick */
unsigned long cpt = clocktick;
mtctl(next_tick, 16); /* kick off Interval Timer (CR16) */
mtctl(next_tick, 16); /* kick off Interval Timer (CR16) */
- cpu_data[cpu].it_value = next_tick;
+ per_cpu(cpu_data, cpu).it_value = next_tick;
}
struct platform_device rtc_parisc_dev = {
}
struct platform_device rtc_parisc_dev = {
#include <linux/cpu.h>
#include <linux/cache.h>
#include <linux/cpu.h>
#include <linux/cache.h>
-static struct cpu cpu_devices[NR_CPUS] __read_mostly;
+static DEFINE_PER_CPU(struct cpu, cpu_devices);
static int __init topology_init(void)
{
int num;
for_each_present_cpu(num) {
static int __init topology_init(void)
{
int num;
for_each_present_cpu(num) {
- register_cpu(&cpu_devices[num], num);
+ register_cpu(&per_cpu(cpu_devices, num), num);