Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

[linux-2.6-omap-h63xx.git] / include / asm-x86 / smp_64.h

diff --git a/include/asm-x86/smp_64.h b/include/asm-x86/smp_64.h
index d30e9b684fdd1730e5306313e9d82d2d3f2a95e2..e0a75519ad216e714a1d5430d183c2608dd1a3c4 100644 (file)
--- a/include/asm-x86/smp_64.h
+++ b/include/asm-x86/smp_64.h
@@ -1,123 +1,101 @@
 #ifndef __ASM_SMP_H
 #define __ASM_SMP_H
 
-/*
- * We need the APIC definitions automatically as part of 'smp.h'
- */
-#include <linux/threads.h>
 #include <linux/cpumask.h>
-#include <linux/bitops.h>
 #include <linux/init.h>
-extern int disable_apic;
 
-#include <asm/mpspec.h>
+/*
+ * We need the APIC definitions automatically as part of 'smp.h'
+ */
 #include <asm/apic.h>
 #include <asm/io_apic.h>
-#include <asm/thread_info.h>
-
-#ifdef CONFIG_SMP
-
+#include <asm/mpspec.h>
 #include <asm/pda.h>
+#include <asm/thread_info.h>
 
-struct pt_regs;
-
-extern cpumask_t cpu_present_mask;
-extern cpumask_t cpu_possible_map;
-extern cpumask_t cpu_online_map;
 extern cpumask_t cpu_callout_map;
 extern cpumask_t cpu_initialized;
 
-/*
- * Private routines/data
- */
- 
+extern int smp_num_siblings;
+extern unsigned int num_processors;
+
 extern void smp_alloc_memory(void);
-extern volatile unsigned long smp_invalidate_needed;
 extern void lock_ipi_call_lock(void);
 extern void unlock_ipi_call_lock(void);
-extern int smp_num_siblings;
-extern void smp_send_reschedule(int cpu);
 
-/*
- * cpu_sibling_map and cpu_core_map now live
- * in the per cpu area
- *
- * extern cpumask_t cpu_sibling_map[NR_CPUS];
- * extern cpumask_t cpu_core_map[NR_CPUS];
- */
-DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
-DECLARE_PER_CPU(cpumask_t, cpu_core_map);
-extern u8 cpu_llc_id[NR_CPUS];
+extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
+                                 void *info, int wait);
 
-#define SMP_TRAMPOLINE_BASE 0x6000
+extern u16 __initdata x86_cpu_to_apicid_init[];
+extern u16 __initdata x86_bios_cpu_apicid_init[];
+extern void *x86_cpu_to_apicid_early_ptr;
+extern void *x86_bios_cpu_apicid_early_ptr;
 
-/*
- * On x86 all CPUs are mapped 1:1 to the APIC space.
- * This simplifies scheduling and IPI sending and
- * compresses data structures.
- */
+DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
+DECLARE_PER_CPU(cpumask_t, cpu_core_map);
+DECLARE_PER_CPU(u16, cpu_llc_id);
+DECLARE_PER_CPU(u16, x86_cpu_to_apicid);
+DECLARE_PER_CPU(u16, x86_bios_cpu_apicid);
 
-static inline int num_booting_cpus(void)
+static inline int cpu_present_to_apicid(int mps_cpu)
 {
-       return cpus_weight(cpu_callout_map);
+       if (cpu_present(mps_cpu))
+               return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
+       else
+               return BAD_APICID;
 }
 
-#define raw_smp_processor_id() read_pda(cpunumber)
+#ifdef CONFIG_SMP
+
+#define SMP_TRAMPOLINE_BASE 0x6000
 
 extern int __cpu_disable(void);
 extern void __cpu_die(unsigned int cpu);
 extern void prefill_possible_map(void);
-extern unsigned num_processors;
 extern unsigned __cpuinitdata disabled_cpus;
 
-#define NO_PROC_ID             0xFF            /* No processor magic marker */
+#define raw_smp_processor_id() read_pda(cpunumber)
+#define cpu_physical_id(cpu)   per_cpu(x86_cpu_to_apicid, cpu)
 
-#endif /* CONFIG_SMP */
-
-static inline int hard_smp_processor_id(void)
-{
-       /* we don't want to mark this access volatile - bad code generation */
-       return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID));
-}
+#define stack_smp_processor_id()                                       \
+       ({                                                              \
+       struct thread_info *ti;                                         \
+       __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK));      \
+       ti->cpu;                                                        \
+})
 
 /*
- * Some lowlevel functions might want to know about
- * the real APIC ID <-> CPU # mapping.
+ * On x86 all CPUs are mapped 1:1 to the APIC space. This simplifies
+ * scheduling and IPI sending and compresses data structures.
  */
-extern u8 x86_cpu_to_apicid[NR_CPUS];  /* physical ID */
-extern u8 bios_cpu_apicid[];
-
-static inline int cpu_present_to_apicid(int mps_cpu)
+static inline int num_booting_cpus(void)
 {
-       if (mps_cpu < NR_CPUS)
-               return (int)bios_cpu_apicid[mps_cpu];
-       else
-               return BAD_APICID;
+       return cpus_weight(cpu_callout_map);
 }
 
-#ifndef CONFIG_SMP
+extern void smp_send_reschedule(int cpu);
+
+#else /* CONFIG_SMP */
+
+extern unsigned int boot_cpu_id;
+#define cpu_physical_id(cpu)   boot_cpu_id
 #define stack_smp_processor_id() 0
-#define cpu_logical_map(x) (x)
-#else
-#include <asm/thread_info.h>
-#define stack_smp_processor_id() \
-({                                                             \
-       struct thread_info *ti;                                 \
-       __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK));      \
-       ti->cpu;                                                \
-})
-#endif
+
+#endif /* !CONFIG_SMP */
+
+#define safe_smp_processor_id()                smp_processor_id()
 
 static __inline int logical_smp_processor_id(void)
 {
        /* we don't want to mark this access volatile - bad code generation */
-       return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR));
+       return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR));
+}
+
+static inline int hard_smp_processor_id(void)
+{
+       /* we don't want to mark this access volatile - bad code generation */
+       return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID));
 }
 
-#ifdef CONFIG_SMP
-#define cpu_physical_id(cpu)           x86_cpu_to_apicid[cpu]
-#else
-#define cpu_physical_id(cpu)           boot_cpu_id
-#endif /* !CONFIG_SMP */
 #endif