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1965aae3 PA |
1 | #ifndef _ASM_X86_APIC_H |
2 | #define _ASM_X86_APIC_H | |
67c5fc5c | 3 | |
e2780a68 | 4 | #include <linux/cpumask.h> |
67c5fc5c | 5 | #include <linux/delay.h> |
e2780a68 | 6 | #include <linux/pm.h> |
593f4a78 MR |
7 | |
8 | #include <asm/alternative.h> | |
e2780a68 | 9 | #include <asm/cpufeature.h> |
67c5fc5c | 10 | #include <asm/processor.h> |
e2780a68 IM |
11 | #include <asm/apicdef.h> |
12 | #include <asm/atomic.h> | |
13 | #include <asm/fixmap.h> | |
14 | #include <asm/mpspec.h> | |
67c5fc5c | 15 | #include <asm/system.h> |
13c88fb5 | 16 | #include <asm/msr.h> |
67c5fc5c TG |
17 | |
18 | #define ARCH_APICTIMER_STOPS_ON_C3 1 | |
19 | ||
67c5fc5c TG |
20 | /* |
21 | * Debugging macros | |
22 | */ | |
23 | #define APIC_QUIET 0 | |
24 | #define APIC_VERBOSE 1 | |
25 | #define APIC_DEBUG 2 | |
26 | ||
27 | /* | |
28 | * Define the default level of output to be very little | |
29 | * This can be turned up by using apic=verbose for more | |
30 | * information and apic=debug for _lots_ of information. | |
31 | * apic_verbosity is defined in apic.c | |
32 | */ | |
33 | #define apic_printk(v, s, a...) do { \ | |
34 | if ((v) <= apic_verbosity) \ | |
35 | printk(s, ##a); \ | |
36 | } while (0) | |
37 | ||
38 | ||
160d8dac | 39 | #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32) |
67c5fc5c | 40 | extern void generic_apic_probe(void); |
160d8dac IM |
41 | #else |
42 | static inline void generic_apic_probe(void) | |
43 | { | |
44 | } | |
45 | #endif | |
67c5fc5c TG |
46 | |
47 | #ifdef CONFIG_X86_LOCAL_APIC | |
48 | ||
baa13188 | 49 | extern unsigned int apic_verbosity; |
67c5fc5c | 50 | extern int local_apic_timer_c2_ok; |
67c5fc5c | 51 | |
3c999f14 | 52 | extern int disable_apic; |
0939e4fd IM |
53 | |
54 | #ifdef CONFIG_SMP | |
55 | extern void __inquire_remote_apic(int apicid); | |
56 | #else /* CONFIG_SMP */ | |
57 | static inline void __inquire_remote_apic(int apicid) | |
58 | { | |
59 | } | |
60 | #endif /* CONFIG_SMP */ | |
61 | ||
62 | static inline void default_inquire_remote_apic(int apicid) | |
63 | { | |
64 | if (apic_verbosity >= APIC_DEBUG) | |
65 | __inquire_remote_apic(apicid); | |
66 | } | |
67 | ||
67c5fc5c TG |
68 | /* |
69 | * Basic functions accessing APICs. | |
70 | */ | |
71 | #ifdef CONFIG_PARAVIRT | |
72 | #include <asm/paravirt.h> | |
96a388de | 73 | #else |
67c5fc5c TG |
74 | #define setup_boot_clock setup_boot_APIC_clock |
75 | #define setup_secondary_clock setup_secondary_APIC_clock | |
96a388de | 76 | #endif |
67c5fc5c | 77 | |
129d8bc8 | 78 | #ifdef CONFIG_X86_VSMP |
aa7d8e25 | 79 | extern int is_vsmp_box(void); |
129d8bc8 YL |
80 | #else |
81 | static inline int is_vsmp_box(void) | |
82 | { | |
83 | return 0; | |
84 | } | |
85 | #endif | |
2b97df06 JS |
86 | extern void xapic_wait_icr_idle(void); |
87 | extern u32 safe_xapic_wait_icr_idle(void); | |
2b97df06 JS |
88 | extern void xapic_icr_write(u32, u32); |
89 | extern int setup_profiling_timer(unsigned int); | |
aa7d8e25 | 90 | |
1b374e4d | 91 | static inline void native_apic_mem_write(u32 reg, u32 v) |
67c5fc5c | 92 | { |
593f4a78 | 93 | volatile u32 *addr = (volatile u32 *)(APIC_BASE + reg); |
67c5fc5c | 94 | |
593f4a78 MR |
95 | alternative_io("movl %0, %1", "xchgl %0, %1", X86_FEATURE_11AP, |
96 | ASM_OUTPUT2("=r" (v), "=m" (*addr)), | |
97 | ASM_OUTPUT2("0" (v), "m" (*addr))); | |
67c5fc5c TG |
98 | } |
99 | ||
1b374e4d | 100 | static inline u32 native_apic_mem_read(u32 reg) |
67c5fc5c TG |
101 | { |
102 | return *((volatile u32 *)(APIC_BASE + reg)); | |
103 | } | |
104 | ||
c1eeb2de YL |
105 | extern void native_apic_wait_icr_idle(void); |
106 | extern u32 native_safe_apic_wait_icr_idle(void); | |
107 | extern void native_apic_icr_write(u32 low, u32 id); | |
108 | extern u64 native_apic_icr_read(void); | |
109 | ||
110 | #ifdef CONFIG_X86_X2APIC | |
13c88fb5 SS |
111 | static inline void native_apic_msr_write(u32 reg, u32 v) |
112 | { | |
113 | if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || | |
114 | reg == APIC_LVR) | |
115 | return; | |
116 | ||
117 | wrmsr(APIC_BASE_MSR + (reg >> 4), v, 0); | |
118 | } | |
119 | ||
120 | static inline u32 native_apic_msr_read(u32 reg) | |
121 | { | |
122 | u32 low, high; | |
123 | ||
124 | if (reg == APIC_DFR) | |
125 | return -1; | |
126 | ||
127 | rdmsr(APIC_BASE_MSR + (reg >> 4), low, high); | |
128 | return low; | |
129 | } | |
130 | ||
c1eeb2de YL |
131 | static inline void native_x2apic_wait_icr_idle(void) |
132 | { | |
133 | /* no need to wait for icr idle in x2apic */ | |
134 | return; | |
135 | } | |
136 | ||
137 | static inline u32 native_safe_x2apic_wait_icr_idle(void) | |
138 | { | |
139 | /* no need to wait for icr idle in x2apic */ | |
140 | return 0; | |
141 | } | |
142 | ||
143 | static inline void native_x2apic_icr_write(u32 low, u32 id) | |
144 | { | |
145 | wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low); | |
146 | } | |
147 | ||
148 | static inline u64 native_x2apic_icr_read(void) | |
149 | { | |
150 | unsigned long val; | |
151 | ||
152 | rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val); | |
153 | return val; | |
154 | } | |
155 | ||
ef1f87aa | 156 | extern int x2apic, x2apic_phys; |
6e1cb38a SS |
157 | extern void check_x2apic(void); |
158 | extern void enable_x2apic(void); | |
159 | extern void enable_IR_x2apic(void); | |
160 | extern void x2apic_icr_write(u32 low, u32 id); | |
a11b5abe YL |
161 | static inline int x2apic_enabled(void) |
162 | { | |
163 | int msr, msr2; | |
164 | ||
165 | if (!cpu_has_x2apic) | |
166 | return 0; | |
167 | ||
168 | rdmsr(MSR_IA32_APICBASE, msr, msr2); | |
169 | if (msr & X2APIC_ENABLE) | |
170 | return 1; | |
171 | return 0; | |
172 | } | |
173 | #else | |
06cd9a7d YL |
174 | static inline void check_x2apic(void) |
175 | { | |
176 | } | |
177 | static inline void enable_x2apic(void) | |
178 | { | |
179 | } | |
180 | static inline void enable_IR_x2apic(void) | |
181 | { | |
182 | } | |
183 | static inline int x2apic_enabled(void) | |
184 | { | |
185 | return 0; | |
186 | } | |
cf6567fe SS |
187 | |
188 | #define x2apic 0 | |
189 | ||
c535b6a1 | 190 | #endif |
1b374e4d | 191 | |
67c5fc5c TG |
192 | extern int get_physical_broadcast(void); |
193 | ||
06cd9a7d | 194 | #ifdef CONFIG_X86_X2APIC |
89027d35 SS |
195 | static inline void ack_x2APIC_irq(void) |
196 | { | |
197 | /* Docs say use 0 for future compatibility */ | |
198 | native_apic_msr_write(APIC_EOI, 0); | |
199 | } | |
200 | #endif | |
201 | ||
67c5fc5c TG |
202 | extern int lapic_get_maxlvt(void); |
203 | extern void clear_local_APIC(void); | |
204 | extern void connect_bsp_APIC(void); | |
205 | extern void disconnect_bsp_APIC(int virt_wire_setup); | |
206 | extern void disable_local_APIC(void); | |
207 | extern void lapic_shutdown(void); | |
208 | extern int verify_local_APIC(void); | |
209 | extern void cache_APIC_registers(void); | |
210 | extern void sync_Arb_IDs(void); | |
211 | extern void init_bsp_APIC(void); | |
212 | extern void setup_local_APIC(void); | |
739f33b3 | 213 | extern void end_local_APIC_setup(void); |
67c5fc5c | 214 | extern void init_apic_mappings(void); |
67c5fc5c TG |
215 | extern void setup_boot_APIC_clock(void); |
216 | extern void setup_secondary_APIC_clock(void); | |
217 | extern int APIC_init_uniprocessor(void); | |
e9427101 | 218 | extern void enable_NMI_through_LVT0(void); |
67c5fc5c TG |
219 | |
220 | /* | |
221 | * On 32bit this is mach-xxx local | |
222 | */ | |
223 | #ifdef CONFIG_X86_64 | |
8643f9d0 | 224 | extern void early_init_lapic_mapping(void); |
8fbbc4b4 AK |
225 | extern int apic_is_clustered_box(void); |
226 | #else | |
227 | static inline int apic_is_clustered_box(void) | |
228 | { | |
229 | return 0; | |
230 | } | |
67c5fc5c TG |
231 | #endif |
232 | ||
7b83dae7 RR |
233 | extern u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask); |
234 | extern u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask); | |
67c5fc5c | 235 | |
67c5fc5c TG |
236 | |
237 | #else /* !CONFIG_X86_LOCAL_APIC */ | |
238 | static inline void lapic_shutdown(void) { } | |
239 | #define local_apic_timer_c2_ok 1 | |
f3294a33 | 240 | static inline void init_apic_mappings(void) { } |
d3ec5cae | 241 | static inline void disable_local_APIC(void) { } |
67c5fc5c TG |
242 | |
243 | #endif /* !CONFIG_X86_LOCAL_APIC */ | |
244 | ||
1f75ed0c IM |
245 | #ifdef CONFIG_X86_64 |
246 | #define SET_APIC_ID(x) (apic->set_apic_id(x)) | |
247 | #else | |
248 | ||
1f75ed0c IM |
249 | #endif |
250 | ||
e2780a68 IM |
251 | /* |
252 | * Copyright 2004 James Cleverdon, IBM. | |
253 | * Subject to the GNU Public License, v.2 | |
254 | * | |
255 | * Generic APIC sub-arch data struct. | |
256 | * | |
257 | * Hacked for x86-64 by James Cleverdon from i386 architecture code by | |
258 | * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and | |
259 | * James Cleverdon. | |
260 | */ | |
be163a15 | 261 | struct apic { |
e2780a68 IM |
262 | char *name; |
263 | ||
264 | int (*probe)(void); | |
265 | int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); | |
266 | int (*apic_id_registered)(void); | |
267 | ||
268 | u32 irq_delivery_mode; | |
269 | u32 irq_dest_mode; | |
270 | ||
271 | const struct cpumask *(*target_cpus)(void); | |
272 | ||
273 | int disable_esr; | |
274 | ||
275 | int dest_logical; | |
276 | unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid); | |
277 | unsigned long (*check_apicid_present)(int apicid); | |
278 | ||
279 | void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); | |
280 | void (*init_apic_ldr)(void); | |
281 | ||
282 | physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map); | |
283 | ||
284 | void (*setup_apic_routing)(void); | |
285 | int (*multi_timer_check)(int apic, int irq); | |
286 | int (*apicid_to_node)(int logical_apicid); | |
287 | int (*cpu_to_logical_apicid)(int cpu); | |
288 | int (*cpu_present_to_apicid)(int mps_cpu); | |
289 | physid_mask_t (*apicid_to_cpu_present)(int phys_apicid); | |
290 | void (*setup_portio_remap)(void); | |
291 | int (*check_phys_apicid_present)(int boot_cpu_physical_apicid); | |
292 | void (*enable_apic_mode)(void); | |
293 | int (*phys_pkg_id)(int cpuid_apic, int index_msb); | |
294 | ||
295 | /* | |
be163a15 | 296 | * When one of the next two hooks returns 1 the apic |
e2780a68 IM |
297 | * is switched to this. Essentially they are additional |
298 | * probe functions: | |
299 | */ | |
300 | int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid); | |
301 | ||
302 | unsigned int (*get_apic_id)(unsigned long x); | |
303 | unsigned long (*set_apic_id)(unsigned int id); | |
304 | unsigned long apic_id_mask; | |
305 | ||
306 | unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask); | |
307 | unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask, | |
308 | const struct cpumask *andmask); | |
309 | ||
310 | /* ipi */ | |
311 | void (*send_IPI_mask)(const struct cpumask *mask, int vector); | |
312 | void (*send_IPI_mask_allbutself)(const struct cpumask *mask, | |
313 | int vector); | |
314 | void (*send_IPI_allbutself)(int vector); | |
315 | void (*send_IPI_all)(int vector); | |
316 | void (*send_IPI_self)(int vector); | |
317 | ||
318 | /* wakeup_secondary_cpu */ | |
1f5bcabf | 319 | int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip); |
e2780a68 IM |
320 | |
321 | int trampoline_phys_low; | |
322 | int trampoline_phys_high; | |
323 | ||
324 | void (*wait_for_init_deassert)(atomic_t *deassert); | |
325 | void (*smp_callin_clear_local_apic)(void); | |
e2780a68 IM |
326 | void (*inquire_remote_apic)(int apicid); |
327 | ||
328 | /* apic ops */ | |
329 | u32 (*read)(u32 reg); | |
330 | void (*write)(u32 reg, u32 v); | |
331 | u64 (*icr_read)(void); | |
332 | void (*icr_write)(u32 low, u32 high); | |
333 | void (*wait_icr_idle)(void); | |
334 | u32 (*safe_wait_icr_idle)(void); | |
335 | }; | |
336 | ||
0917c01f IM |
337 | /* |
338 | * Pointer to the local APIC driver in use on this system (there's | |
339 | * always just one such driver in use - the kernel decides via an | |
340 | * early probing process which one it picks - and then sticks to it): | |
341 | */ | |
be163a15 | 342 | extern struct apic *apic; |
0917c01f IM |
343 | |
344 | /* | |
345 | * APIC functionality to boot other CPUs - only used on SMP: | |
346 | */ | |
347 | #ifdef CONFIG_SMP | |
2b6163bf YL |
348 | extern atomic_t init_deasserted; |
349 | extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); | |
0917c01f | 350 | #endif |
e2780a68 IM |
351 | |
352 | static inline u32 apic_read(u32 reg) | |
353 | { | |
354 | return apic->read(reg); | |
355 | } | |
356 | ||
357 | static inline void apic_write(u32 reg, u32 val) | |
358 | { | |
359 | apic->write(reg, val); | |
360 | } | |
361 | ||
362 | static inline u64 apic_icr_read(void) | |
363 | { | |
364 | return apic->icr_read(); | |
365 | } | |
366 | ||
367 | static inline void apic_icr_write(u32 low, u32 high) | |
368 | { | |
369 | apic->icr_write(low, high); | |
370 | } | |
371 | ||
372 | static inline void apic_wait_icr_idle(void) | |
373 | { | |
374 | apic->wait_icr_idle(); | |
375 | } | |
376 | ||
377 | static inline u32 safe_apic_wait_icr_idle(void) | |
378 | { | |
379 | return apic->safe_wait_icr_idle(); | |
380 | } | |
381 | ||
382 | ||
383 | static inline void ack_APIC_irq(void) | |
384 | { | |
b2b35259 | 385 | #ifdef CONFIG_X86_LOCAL_APIC |
e2780a68 IM |
386 | /* |
387 | * ack_APIC_irq() actually gets compiled as a single instruction | |
388 | * ... yummie. | |
389 | */ | |
390 | ||
391 | /* Docs say use 0 for future compatibility */ | |
392 | apic_write(APIC_EOI, 0); | |
b2b35259 | 393 | #endif |
e2780a68 IM |
394 | } |
395 | ||
396 | static inline unsigned default_get_apic_id(unsigned long x) | |
397 | { | |
398 | unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); | |
399 | ||
400 | if (APIC_XAPIC(ver)) | |
401 | return (x >> 24) & 0xFF; | |
402 | else | |
403 | return (x >> 24) & 0x0F; | |
404 | } | |
405 | ||
406 | /* | |
407 | * Warm reset vector default position: | |
408 | */ | |
409 | #define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467 | |
410 | #define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469 | |
411 | ||
2b6163bf | 412 | #ifdef CONFIG_X86_64 |
be163a15 IM |
413 | extern struct apic apic_flat; |
414 | extern struct apic apic_physflat; | |
415 | extern struct apic apic_x2apic_cluster; | |
416 | extern struct apic apic_x2apic_phys; | |
e2780a68 IM |
417 | extern int default_acpi_madt_oem_check(char *, char *); |
418 | ||
419 | extern void apic_send_IPI_self(int vector); | |
420 | ||
be163a15 | 421 | extern struct apic apic_x2apic_uv_x; |
e2780a68 IM |
422 | DECLARE_PER_CPU(int, x2apic_extra_bits); |
423 | ||
424 | extern int default_cpu_present_to_apicid(int mps_cpu); | |
425 | extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid); | |
426 | #endif | |
427 | ||
428 | static inline void default_wait_for_init_deassert(atomic_t *deassert) | |
429 | { | |
430 | while (!atomic_read(deassert)) | |
431 | cpu_relax(); | |
432 | return; | |
433 | } | |
434 | ||
435 | extern void generic_bigsmp_probe(void); | |
436 | ||
437 | ||
438 | #ifdef CONFIG_X86_LOCAL_APIC | |
439 | ||
440 | #include <asm/smp.h> | |
441 | ||
442 | #define APIC_DFR_VALUE (APIC_DFR_FLAT) | |
443 | ||
444 | static inline const struct cpumask *default_target_cpus(void) | |
445 | { | |
446 | #ifdef CONFIG_SMP | |
447 | return cpu_online_mask; | |
448 | #else | |
449 | return cpumask_of(0); | |
450 | #endif | |
451 | } | |
452 | ||
453 | DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid); | |
454 | ||
455 | ||
456 | static inline unsigned int read_apic_id(void) | |
457 | { | |
458 | unsigned int reg; | |
459 | ||
460 | reg = apic_read(APIC_ID); | |
461 | ||
462 | return apic->get_apic_id(reg); | |
463 | } | |
464 | ||
465 | extern void default_setup_apic_routing(void); | |
466 | ||
467 | #ifdef CONFIG_X86_32 | |
468 | /* | |
469 | * Set up the logical destination ID. | |
470 | * | |
471 | * Intel recommends to set DFR, LDR and TPR before enabling | |
472 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel | |
473 | * document number 292116). So here it goes... | |
474 | */ | |
475 | extern void default_init_apic_ldr(void); | |
476 | ||
477 | static inline int default_apic_id_registered(void) | |
478 | { | |
479 | return physid_isset(read_apic_id(), phys_cpu_present_map); | |
480 | } | |
481 | ||
482 | static inline unsigned int | |
483 | default_cpu_mask_to_apicid(const struct cpumask *cpumask) | |
484 | { | |
485 | return cpumask_bits(cpumask)[0]; | |
486 | } | |
487 | ||
488 | static inline unsigned int | |
489 | default_cpu_mask_to_apicid_and(const struct cpumask *cpumask, | |
490 | const struct cpumask *andmask) | |
491 | { | |
492 | unsigned long mask1 = cpumask_bits(cpumask)[0]; | |
493 | unsigned long mask2 = cpumask_bits(andmask)[0]; | |
494 | unsigned long mask3 = cpumask_bits(cpu_online_mask)[0]; | |
495 | ||
496 | return (unsigned int)(mask1 & mask2 & mask3); | |
497 | } | |
498 | ||
499 | static inline int default_phys_pkg_id(int cpuid_apic, int index_msb) | |
500 | { | |
501 | return cpuid_apic >> index_msb; | |
502 | } | |
503 | ||
504 | extern int default_apicid_to_node(int logical_apicid); | |
505 | ||
506 | #endif | |
507 | ||
508 | static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid) | |
509 | { | |
510 | return physid_isset(apicid, bitmap); | |
511 | } | |
512 | ||
513 | static inline unsigned long default_check_apicid_present(int bit) | |
514 | { | |
515 | return physid_isset(bit, phys_cpu_present_map); | |
516 | } | |
517 | ||
518 | static inline physid_mask_t default_ioapic_phys_id_map(physid_mask_t phys_map) | |
519 | { | |
520 | return phys_map; | |
521 | } | |
522 | ||
523 | /* Mapping from cpu number to logical apicid */ | |
524 | static inline int default_cpu_to_logical_apicid(int cpu) | |
525 | { | |
526 | return 1 << cpu; | |
527 | } | |
528 | ||
529 | static inline int __default_cpu_present_to_apicid(int mps_cpu) | |
530 | { | |
531 | if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu)) | |
532 | return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); | |
533 | else | |
534 | return BAD_APICID; | |
535 | } | |
536 | ||
537 | static inline int | |
538 | __default_check_phys_apicid_present(int boot_cpu_physical_apicid) | |
539 | { | |
540 | return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); | |
541 | } | |
542 | ||
543 | #ifdef CONFIG_X86_32 | |
544 | static inline int default_cpu_present_to_apicid(int mps_cpu) | |
545 | { | |
546 | return __default_cpu_present_to_apicid(mps_cpu); | |
547 | } | |
548 | ||
549 | static inline int | |
550 | default_check_phys_apicid_present(int boot_cpu_physical_apicid) | |
551 | { | |
552 | return __default_check_phys_apicid_present(boot_cpu_physical_apicid); | |
553 | } | |
554 | #else | |
555 | extern int default_cpu_present_to_apicid(int mps_cpu); | |
556 | extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid); | |
557 | #endif | |
558 | ||
559 | static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid) | |
560 | { | |
561 | return physid_mask_of_physid(phys_apicid); | |
562 | } | |
563 | ||
564 | #endif /* CONFIG_X86_LOCAL_APIC */ | |
565 | ||
2f205bc4 IM |
566 | #ifdef CONFIG_X86_32 |
567 | extern u8 cpu_2_logical_apicid[NR_CPUS]; | |
568 | #endif | |
569 | ||
1965aae3 | 570 | #endif /* _ASM_X86_APIC_H */ |