diff options
Diffstat (limited to 'arch/x86/include/asm/smp.h')
-rw-r--r-- | arch/x86/include/asm/smp.h | 69 |
1 files changed, 3 insertions, 66 deletions
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 19953df61c52..47d0e21f2b9e 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h | |||
@@ -15,34 +15,8 @@ | |||
15 | # include <asm/io_apic.h> | 15 | # include <asm/io_apic.h> |
16 | # endif | 16 | # endif |
17 | #endif | 17 | #endif |
18 | #include <asm/pda.h> | ||
19 | #include <asm/thread_info.h> | 18 | #include <asm/thread_info.h> |
20 | 19 | #include <asm/cpumask.h> | |
21 | #ifdef CONFIG_X86_64 | ||
22 | |||
23 | extern cpumask_var_t cpu_callin_mask; | ||
24 | extern cpumask_var_t cpu_callout_mask; | ||
25 | extern cpumask_var_t cpu_initialized_mask; | ||
26 | extern cpumask_var_t cpu_sibling_setup_mask; | ||
27 | |||
28 | #else /* CONFIG_X86_32 */ | ||
29 | |||
30 | extern cpumask_t cpu_callin_map; | ||
31 | extern cpumask_t cpu_callout_map; | ||
32 | extern cpumask_t cpu_initialized; | ||
33 | extern cpumask_t cpu_sibling_setup_map; | ||
34 | |||
35 | #define cpu_callin_mask ((struct cpumask *)&cpu_callin_map) | ||
36 | #define cpu_callout_mask ((struct cpumask *)&cpu_callout_map) | ||
37 | #define cpu_initialized_mask ((struct cpumask *)&cpu_initialized) | ||
38 | #define cpu_sibling_setup_mask ((struct cpumask *)&cpu_sibling_setup_map) | ||
39 | |||
40 | #endif /* CONFIG_X86_32 */ | ||
41 | |||
42 | extern void (*mtrr_hook)(void); | ||
43 | extern void zap_low_mappings(void); | ||
44 | |||
45 | extern int __cpuinit get_local_pda(int cpu); | ||
46 | 20 | ||
47 | extern int smp_num_siblings; | 21 | extern int smp_num_siblings; |
48 | extern unsigned int num_processors; | 22 | extern unsigned int num_processors; |
@@ -50,9 +24,7 @@ extern unsigned int num_processors; | |||
50 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); | 24 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); |
51 | DECLARE_PER_CPU(cpumask_t, cpu_core_map); | 25 | DECLARE_PER_CPU(cpumask_t, cpu_core_map); |
52 | DECLARE_PER_CPU(u16, cpu_llc_id); | 26 | DECLARE_PER_CPU(u16, cpu_llc_id); |
53 | #ifdef CONFIG_X86_32 | ||
54 | DECLARE_PER_CPU(int, cpu_number); | 27 | DECLARE_PER_CPU(int, cpu_number); |
55 | #endif | ||
56 | 28 | ||
57 | static inline struct cpumask *cpu_sibling_mask(int cpu) | 29 | static inline struct cpumask *cpu_sibling_mask(int cpu) |
58 | { | 30 | { |
@@ -167,8 +139,6 @@ void play_dead_common(void); | |||
167 | void native_send_call_func_ipi(const struct cpumask *mask); | 139 | void native_send_call_func_ipi(const struct cpumask *mask); |
168 | void native_send_call_func_single_ipi(int cpu); | 140 | void native_send_call_func_single_ipi(int cpu); |
169 | 141 | ||
170 | extern void prefill_possible_map(void); | ||
171 | |||
172 | void smp_store_cpu_info(int id); | 142 | void smp_store_cpu_info(int id); |
173 | #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) | 143 | #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) |
174 | 144 | ||
@@ -177,10 +147,6 @@ static inline int num_booting_cpus(void) | |||
177 | { | 147 | { |
178 | return cpumask_weight(cpu_callout_mask); | 148 | return cpumask_weight(cpu_callout_mask); |
179 | } | 149 | } |
180 | #else | ||
181 | static inline void prefill_possible_map(void) | ||
182 | { | ||
183 | } | ||
184 | #endif /* CONFIG_SMP */ | 150 | #endif /* CONFIG_SMP */ |
185 | 151 | ||
186 | extern unsigned disabled_cpus __cpuinitdata; | 152 | extern unsigned disabled_cpus __cpuinitdata; |
@@ -191,11 +157,11 @@ extern unsigned disabled_cpus __cpuinitdata; | |||
191 | * from the initial startup. We map APIC_BASE very early in page_setup(), | 157 | * from the initial startup. We map APIC_BASE very early in page_setup(), |
192 | * so this is correct in the x86 case. | 158 | * so this is correct in the x86 case. |
193 | */ | 159 | */ |
194 | #define raw_smp_processor_id() (x86_read_percpu(cpu_number)) | 160 | #define raw_smp_processor_id() (percpu_read(cpu_number)) |
195 | extern int safe_smp_processor_id(void); | 161 | extern int safe_smp_processor_id(void); |
196 | 162 | ||
197 | #elif defined(CONFIG_X86_64_SMP) | 163 | #elif defined(CONFIG_X86_64_SMP) |
198 | #define raw_smp_processor_id() read_pda(cpunumber) | 164 | #define raw_smp_processor_id() (percpu_read(cpu_number)) |
199 | 165 | ||
200 | #define stack_smp_processor_id() \ | 166 | #define stack_smp_processor_id() \ |
201 | ({ \ | 167 | ({ \ |
@@ -205,10 +171,6 @@ extern int safe_smp_processor_id(void); | |||
205 | }) | 171 | }) |
206 | #define safe_smp_processor_id() smp_processor_id() | 172 | #define safe_smp_processor_id() smp_processor_id() |
207 | 173 | ||
208 | #else /* !CONFIG_X86_32_SMP && !CONFIG_X86_64_SMP */ | ||
209 | #define cpu_physical_id(cpu) boot_cpu_physical_apicid | ||
210 | #define safe_smp_processor_id() 0 | ||
211 | #define stack_smp_processor_id() 0 | ||
212 | #endif | 174 | #endif |
213 | 175 | ||
214 | #ifdef CONFIG_X86_LOCAL_APIC | 176 | #ifdef CONFIG_X86_LOCAL_APIC |
@@ -220,28 +182,9 @@ static inline int logical_smp_processor_id(void) | |||
220 | return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); | 182 | return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); |
221 | } | 183 | } |
222 | 184 | ||
223 | #include <mach_apicdef.h> | ||
224 | static inline unsigned int read_apic_id(void) | ||
225 | { | ||
226 | unsigned int reg; | ||
227 | |||
228 | reg = *(u32 *)(APIC_BASE + APIC_ID); | ||
229 | |||
230 | return GET_APIC_ID(reg); | ||
231 | } | ||
232 | #endif | 185 | #endif |
233 | 186 | ||
234 | |||
235 | # if defined(APIC_DEFINITION) || defined(CONFIG_X86_64) | ||
236 | extern int hard_smp_processor_id(void); | 187 | extern int hard_smp_processor_id(void); |
237 | # else | ||
238 | #include <mach_apicdef.h> | ||
239 | static inline int hard_smp_processor_id(void) | ||
240 | { | ||
241 | /* we don't want to mark this access volatile - bad code generation */ | ||
242 | return read_apic_id(); | ||
243 | } | ||
244 | # endif /* APIC_DEFINITION */ | ||
245 | 188 | ||
246 | #else /* CONFIG_X86_LOCAL_APIC */ | 189 | #else /* CONFIG_X86_LOCAL_APIC */ |
247 | 190 | ||
@@ -251,11 +194,5 @@ static inline int hard_smp_processor_id(void) | |||
251 | 194 | ||
252 | #endif /* CONFIG_X86_LOCAL_APIC */ | 195 | #endif /* CONFIG_X86_LOCAL_APIC */ |
253 | 196 | ||
254 | #ifdef CONFIG_X86_HAS_BOOT_CPU_ID | ||
255 | extern unsigned char boot_cpu_id; | ||
256 | #else | ||
257 | #define boot_cpu_id 0 | ||
258 | #endif | ||
259 | |||
260 | #endif /* __ASSEMBLY__ */ | 197 | #endif /* __ASSEMBLY__ */ |
261 | #endif /* _ASM_X86_SMP_H */ | 198 | #endif /* _ASM_X86_SMP_H */ |