diff options
Diffstat (limited to 'arch/parisc/kernel/processor.c')
| -rw-r--r-- | arch/parisc/kernel/processor.c | 68 |
1 files changed, 35 insertions, 33 deletions
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index 370086fb833..ecb609342fe 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 @@ 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. * @@ -147,7 +164,7 @@ static int __cpuinit processor_probe(struct parisc_device *dev) } #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 @@ static int __cpuinit processor_probe(struct parisc_device *dev) #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 @@ void __init collect_boot_cpu_data(void) } -/** - * 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 @@ init_percpu_prof(int cpunum) * * 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 @@ int __init init_per_cpu(int cpunum) /* 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 __init init_per_cpu(int cpunum) 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 @@ show_cpuinfo (struct seq_file *m, void *v) 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_cpuinfo (struct seq_file *m, void *v) 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); |