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 370086fb8333..ecb609342feb 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c | |||
@@ -3,7 +3,7 @@ | |||
3 | * Initial setup-routines for HP 9000 based hardware. | 3 | * Initial setup-routines for HP 9000 based hardware. |
4 | * | 4 | * |
5 | * Copyright (C) 1991, 1992, 1995 Linus Torvalds | 5 | * Copyright (C) 1991, 1992, 1995 Linus Torvalds |
6 | * Modifications for PA-RISC (C) 1999 Helge Deller <deller@gmx.de> | 6 | * Modifications for PA-RISC (C) 1999-2008 Helge Deller <deller@gmx.de> |
7 | * Modifications copyright 1999 SuSE GmbH (Philipp Rumpf) | 7 | * Modifications copyright 1999 SuSE GmbH (Philipp Rumpf) |
8 | * Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net> | 8 | * Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net> |
9 | * Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org> | 9 | * Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org> |
@@ -46,7 +46,7 @@ | |||
46 | struct system_cpuinfo_parisc boot_cpu_data __read_mostly; | 46 | struct system_cpuinfo_parisc boot_cpu_data __read_mostly; |
47 | EXPORT_SYMBOL(boot_cpu_data); | 47 | EXPORT_SYMBOL(boot_cpu_data); |
48 | 48 | ||
49 | struct cpuinfo_parisc cpu_data[NR_CPUS] __read_mostly; | 49 | DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data); |
50 | 50 | ||
51 | extern int update_cr16_clocksource(void); /* from time.c */ | 51 | extern int update_cr16_clocksource(void); /* from time.c */ |
52 | 52 | ||
@@ -69,6 +69,23 @@ extern int update_cr16_clocksource(void); /* from time.c */ | |||
69 | */ | 69 | */ |
70 | 70 | ||
71 | /** | 71 | /** |
72 | * init_cpu_profiler - enable/setup per cpu profiling hooks. | ||
73 | * @cpunum: The processor instance. | ||
74 | * | ||
75 | * FIXME: doesn't do much yet... | ||
76 | */ | ||
77 | static void __cpuinit | ||
78 | init_percpu_prof(unsigned long cpunum) | ||
79 | { | ||
80 | struct cpuinfo_parisc *p; | ||
81 | |||
82 | p = &per_cpu(cpu_data, cpunum); | ||
83 | p->prof_counter = 1; | ||
84 | p->prof_multiplier = 1; | ||
85 | } | ||
86 | |||
87 | |||
88 | /** | ||
72 | * processor_probe - Determine if processor driver should claim this device. | 89 | * processor_probe - Determine if processor driver should claim this device. |
73 | * @dev: The device which has been found. | 90 | * @dev: The device which has been found. |
74 | * | 91 | * |
@@ -147,7 +164,7 @@ static int __cpuinit processor_probe(struct parisc_device *dev) | |||
147 | } | 164 | } |
148 | #endif | 165 | #endif |
149 | 166 | ||
150 | p = &cpu_data[cpuid]; | 167 | p = &per_cpu(cpu_data, cpuid); |
151 | boot_cpu_data.cpu_count++; | 168 | boot_cpu_data.cpu_count++; |
152 | 169 | ||
153 | /* initialize counters - CPU 0 gets it_value set in time_init() */ | 170 | /* initialize counters - CPU 0 gets it_value set in time_init() */ |
@@ -162,12 +179,9 @@ static int __cpuinit processor_probe(struct parisc_device *dev) | |||
162 | #ifdef CONFIG_SMP | 179 | #ifdef CONFIG_SMP |
163 | /* | 180 | /* |
164 | ** FIXME: review if any other initialization is clobbered | 181 | ** FIXME: review if any other initialization is clobbered |
165 | ** for boot_cpu by the above memset(). | 182 | ** for boot_cpu by the above memset(). |
166 | */ | 183 | */ |
167 | 184 | init_percpu_prof(cpuid); | |
168 | /* stolen from init_percpu_prof() */ | ||
169 | cpu_data[cpuid].prof_counter = 1; | ||
170 | cpu_data[cpuid].prof_multiplier = 1; | ||
171 | #endif | 185 | #endif |
172 | 186 | ||
173 | /* | 187 | /* |
@@ -261,19 +275,6 @@ void __init collect_boot_cpu_data(void) | |||
261 | } | 275 | } |
262 | 276 | ||
263 | 277 | ||
264 | /** | ||
265 | * init_cpu_profiler - enable/setup per cpu profiling hooks. | ||
266 | * @cpunum: The processor instance. | ||
267 | * | ||
268 | * FIXME: doesn't do much yet... | ||
269 | */ | ||
270 | static inline void __init | ||
271 | init_percpu_prof(int cpunum) | ||
272 | { | ||
273 | cpu_data[cpunum].prof_counter = 1; | ||
274 | cpu_data[cpunum].prof_multiplier = 1; | ||
275 | } | ||
276 | |||
277 | 278 | ||
278 | /** | 279 | /** |
279 | * init_per_cpu - Handle individual processor initializations. | 280 | * init_per_cpu - Handle individual processor initializations. |
@@ -293,7 +294,7 @@ init_percpu_prof(int cpunum) | |||
293 | * | 294 | * |
294 | * o Enable CPU profiling hooks. | 295 | * o Enable CPU profiling hooks. |
295 | */ | 296 | */ |
296 | int __init init_per_cpu(int cpunum) | 297 | int __cpuinit init_per_cpu(int cpunum) |
297 | { | 298 | { |
298 | int ret; | 299 | int ret; |
299 | struct pdc_coproc_cfg coproc_cfg; | 300 | struct pdc_coproc_cfg coproc_cfg; |
@@ -307,8 +308,8 @@ int __init init_per_cpu(int cpunum) | |||
307 | /* FWIW, FP rev/model is a more accurate way to determine | 308 | /* FWIW, FP rev/model is a more accurate way to determine |
308 | ** CPU type. CPU rev/model has some ambiguous cases. | 309 | ** CPU type. CPU rev/model has some ambiguous cases. |
309 | */ | 310 | */ |
310 | cpu_data[cpunum].fp_rev = coproc_cfg.revision; | 311 | per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision; |
311 | cpu_data[cpunum].fp_model = coproc_cfg.model; | 312 | per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model; |
312 | 313 | ||
313 | printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n", | 314 | printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n", |
314 | cpunum, coproc_cfg.revision, coproc_cfg.model); | 315 | cpunum, coproc_cfg.revision, coproc_cfg.model); |
@@ -344,16 +345,17 @@ int __init init_per_cpu(int cpunum) | |||
344 | int | 345 | int |
345 | show_cpuinfo (struct seq_file *m, void *v) | 346 | show_cpuinfo (struct seq_file *m, void *v) |
346 | { | 347 | { |
347 | int n; | 348 | unsigned long cpu; |
348 | 349 | ||
349 | for(n=0; n<boot_cpu_data.cpu_count; n++) { | 350 | for_each_online_cpu(cpu) { |
351 | const struct cpuinfo_parisc *cpuinfo = &per_cpu(cpu_data, cpu); | ||
350 | #ifdef CONFIG_SMP | 352 | #ifdef CONFIG_SMP |
351 | if (0 == cpu_data[n].hpa) | 353 | if (0 == cpuinfo->hpa) |
352 | continue; | 354 | continue; |
353 | #endif | 355 | #endif |
354 | seq_printf(m, "processor\t: %d\n" | 356 | seq_printf(m, "processor\t: %lu\n" |
355 | "cpu family\t: PA-RISC %s\n", | 357 | "cpu family\t: PA-RISC %s\n", |
356 | n, boot_cpu_data.family_name); | 358 | cpu, boot_cpu_data.family_name); |
357 | 359 | ||
358 | seq_printf(m, "cpu\t\t: %s\n", boot_cpu_data.cpu_name ); | 360 | seq_printf(m, "cpu\t\t: %s\n", boot_cpu_data.cpu_name ); |
359 | 361 | ||
@@ -365,8 +367,8 @@ show_cpuinfo (struct seq_file *m, void *v) | |||
365 | seq_printf(m, "model\t\t: %s\n" | 367 | seq_printf(m, "model\t\t: %s\n" |
366 | "model name\t: %s\n", | 368 | "model name\t: %s\n", |
367 | boot_cpu_data.pdc.sys_model_name, | 369 | boot_cpu_data.pdc.sys_model_name, |
368 | cpu_data[n].dev ? | 370 | cpuinfo->dev ? |
369 | cpu_data[n].dev->name : "Unknown" ); | 371 | cpuinfo->dev->name : "Unknown"); |
370 | 372 | ||
371 | seq_printf(m, "hversion\t: 0x%08x\n" | 373 | seq_printf(m, "hversion\t: 0x%08x\n" |
372 | "sversion\t: 0x%08x\n", | 374 | "sversion\t: 0x%08x\n", |
@@ -377,8 +379,8 @@ show_cpuinfo (struct seq_file *m, void *v) | |||
377 | show_cache_info(m); | 379 | show_cache_info(m); |
378 | 380 | ||
379 | seq_printf(m, "bogomips\t: %lu.%02lu\n", | 381 | seq_printf(m, "bogomips\t: %lu.%02lu\n", |
380 | cpu_data[n].loops_per_jiffy / (500000 / HZ), | 382 | cpuinfo->loops_per_jiffy / (500000 / HZ), |
381 | (cpu_data[n].loops_per_jiffy / (5000 / HZ)) % 100); | 383 | (cpuinfo->loops_per_jiffy / (5000 / HZ)) % 100); |
382 | 384 | ||
383 | seq_printf(m, "software id\t: %ld\n\n", | 385 | seq_printf(m, "software id\t: %ld\n\n", |
384 | boot_cpu_data.pdc.model.sw_id); | 386 | boot_cpu_data.pdc.model.sw_id); |