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authorIngo Molnar <mingo@elte.hu>2009-03-06 10:44:14 -0500
committerIngo Molnar <mingo@elte.hu>2009-03-06 10:45:01 -0500
commitf0ef03985130287c6c84ebe69416cf790e6cc00e (patch)
tree3ecb04cc4d82e5fc3ae5f1747e6da172ae8cbcb7 /arch/x86/include/asm/smp.h
parent16097439703bcd38e9fe5608c12add6dacb825ea (diff)
parent31bbed527e7039203920c51c9fb48c27aed0820c (diff)
Merge branch 'x86/core' into tracing/textedit
Conflicts: arch/x86/Kconfig block/blktrace.c kernel/irq/handle.c Semantic conflict: kernel/trace/blktrace.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/smp.h')
-rw-r--r--arch/x86/include/asm/smp.h69
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
23extern cpumask_var_t cpu_callin_mask;
24extern cpumask_var_t cpu_callout_mask;
25extern cpumask_var_t cpu_initialized_mask;
26extern cpumask_var_t cpu_sibling_setup_mask;
27
28#else /* CONFIG_X86_32 */
29
30extern cpumask_t cpu_callin_map;
31extern cpumask_t cpu_callout_map;
32extern cpumask_t cpu_initialized;
33extern 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
42extern void (*mtrr_hook)(void);
43extern void zap_low_mappings(void);
44
45extern int __cpuinit get_local_pda(int cpu);
46 20
47extern int smp_num_siblings; 21extern int smp_num_siblings;
48extern unsigned int num_processors; 22extern unsigned int num_processors;
@@ -50,9 +24,7 @@ extern unsigned int num_processors;
50DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); 24DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
51DECLARE_PER_CPU(cpumask_t, cpu_core_map); 25DECLARE_PER_CPU(cpumask_t, cpu_core_map);
52DECLARE_PER_CPU(u16, cpu_llc_id); 26DECLARE_PER_CPU(u16, cpu_llc_id);
53#ifdef CONFIG_X86_32
54DECLARE_PER_CPU(int, cpu_number); 27DECLARE_PER_CPU(int, cpu_number);
55#endif
56 28
57static inline struct cpumask *cpu_sibling_mask(int cpu) 29static inline struct cpumask *cpu_sibling_mask(int cpu)
58{ 30{
@@ -167,8 +139,6 @@ void play_dead_common(void);
167void native_send_call_func_ipi(const struct cpumask *mask); 139void native_send_call_func_ipi(const struct cpumask *mask);
168void native_send_call_func_single_ipi(int cpu); 140void native_send_call_func_single_ipi(int cpu);
169 141
170extern void prefill_possible_map(void);
171
172void smp_store_cpu_info(int id); 142void 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
181static inline void prefill_possible_map(void)
182{
183}
184#endif /* CONFIG_SMP */ 150#endif /* CONFIG_SMP */
185 151
186extern unsigned disabled_cpus __cpuinitdata; 152extern 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))
195extern int safe_smp_processor_id(void); 161extern 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>
224static 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)
236extern int hard_smp_processor_id(void); 187extern int hard_smp_processor_id(void);
237# else
238#include <mach_apicdef.h>
239static 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
255extern 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 */