Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[sfrench/cifs-2.6.git] / arch / x86 / include / asm / smp.h

diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 830b9fcb6427103689d005417f20ac19816b0766..47d0e21f2b9ec85b3bb0658c88eb2c611be8091d 100644 (file)
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -15,28 +15,26 @@
 #  include <asm/io_apic.h>
 # endif
 #endif
-#include <asm/pda.h>
 #include <asm/thread_info.h>
-
-extern cpumask_t cpu_callout_map;
-extern cpumask_t cpu_initialized;
-extern cpumask_t cpu_callin_map;
-
-extern void (*mtrr_hook)(void);
-extern void zap_low_mappings(void);
-
-extern int __cpuinit get_local_pda(int cpu);
+#include <asm/cpumask.h>
 
 extern int smp_num_siblings;
 extern unsigned int num_processors;
-extern cpumask_t cpu_initialized;
 
 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
 DECLARE_PER_CPU(cpumask_t, cpu_core_map);
 DECLARE_PER_CPU(u16, cpu_llc_id);
-#ifdef CONFIG_X86_32
 DECLARE_PER_CPU(int, cpu_number);
-#endif
+
+static inline struct cpumask *cpu_sibling_mask(int cpu)
+{
+       return &per_cpu(cpu_sibling_map, cpu);
+}
+
+static inline struct cpumask *cpu_core_mask(int cpu)
+{
+       return &per_cpu(cpu_core_map, cpu);
+}
 
 DECLARE_EARLY_PER_CPU(u16, x86_cpu_to_apicid);
 DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid);
@@ -141,19 +139,13 @@ void play_dead_common(void);
 void native_send_call_func_ipi(const struct cpumask *mask);
 void native_send_call_func_single_ipi(int cpu);
 
-extern void prefill_possible_map(void);
-
 void smp_store_cpu_info(int id);
 #define cpu_physical_id(cpu)   per_cpu(x86_cpu_to_apicid, cpu)
 
 /* We don't mark CPUs online until __cpu_up(), so we need another measure */
 static inline int num_booting_cpus(void)
 {
-       return cpus_weight(cpu_callout_map);
-}
-#else
-static inline void prefill_possible_map(void)
-{
+       return cpumask_weight(cpu_callout_mask);
 }
 #endif /* CONFIG_SMP */
 
@@ -165,11 +157,11 @@ extern unsigned disabled_cpus __cpuinitdata;
  * from the initial startup. We map APIC_BASE very early in page_setup(),
  * so this is correct in the x86 case.
  */
-#define raw_smp_processor_id() (x86_read_percpu(cpu_number))
+#define raw_smp_processor_id() (percpu_read(cpu_number))
 extern int safe_smp_processor_id(void);
 
 #elif defined(CONFIG_X86_64_SMP)
-#define raw_smp_processor_id() read_pda(cpunumber)
+#define raw_smp_processor_id() (percpu_read(cpu_number))
 
 #define stack_smp_processor_id()                                       \
 ({                                                             \
@@ -179,10 +171,6 @@ extern int safe_smp_processor_id(void);
 })
 #define safe_smp_processor_id()                smp_processor_id()
 
-#else /* !CONFIG_X86_32_SMP && !CONFIG_X86_64_SMP */
-#define cpu_physical_id(cpu)           boot_cpu_physical_apicid
-#define safe_smp_processor_id()                0
-#define stack_smp_processor_id()       0
 #endif
 
 #ifdef CONFIG_X86_LOCAL_APIC
@@ -194,28 +182,9 @@ static inline int logical_smp_processor_id(void)
        return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR));
 }
 
-#include <mach_apicdef.h>
-static inline unsigned int read_apic_id(void)
-{
-       unsigned int reg;
-
-       reg = *(u32 *)(APIC_BASE + APIC_ID);
-
-       return GET_APIC_ID(reg);
-}
 #endif
 
-
-# if defined(APIC_DEFINITION) || defined(CONFIG_X86_64)
 extern int hard_smp_processor_id(void);
-# else
-#include <mach_apicdef.h>
-static inline int hard_smp_processor_id(void)
-{
-       /* we don't want to mark this access volatile - bad code generation */
-       return read_apic_id();
-}
-# endif /* APIC_DEFINITION */
 
 #else /* CONFIG_X86_LOCAL_APIC */
 
@@ -225,11 +194,5 @@ static inline int hard_smp_processor_id(void)
 
 #endif /* CONFIG_X86_LOCAL_APIC */
 
-#ifdef CONFIG_X86_HAS_BOOT_CPU_ID
-extern unsigned char boot_cpu_id;
-#else
-#define boot_cpu_id    0
-#endif
-
 #endif /* __ASSEMBLY__ */
 #endif /* _ASM_X86_SMP_H */