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>
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 370086f..ecb6093 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -3,7 +3,7 @@
* 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>
@@ -46,7 +46,7 @@
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 */
@@ -69,6 +69,23 @@
*/
/**
+ * 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.
*
@@ -147,7 +164,7 @@
}
#endif
- p = &cpu_data[cpuid];
+ p = &per_cpu(cpu_data, cpuid);
boot_cpu_data.cpu_count++;
/* initialize counters - CPU 0 gets it_value set in time_init() */
@@ -162,12 +179,9 @@
#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);
#endif
/*
@@ -261,19 +275,6 @@
}
-/**
- * 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.
@@ -293,7 +294,7 @@
*
* 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;
@@ -307,8 +308,8 @@
/* 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);
@@ -344,16 +345,17 @@
int
show_cpuinfo (struct seq_file *m, void *v)
{
- int n;
+ unsigned long cpu;
- 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);
#ifdef CONFIG_SMP
- if (0 == cpu_data[n].hpa)
+ if (0 == cpuinfo->hpa)
continue;
#endif
- seq_printf(m, "processor\t: %d\n"
+ seq_printf(m, "processor\t: %lu\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 );
@@ -365,8 +367,8 @@
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",
@@ -377,8 +379,8 @@
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);
