1 files changed, 23 insertions, 13 deletions

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 3c896946f4cc..b8a3484d69e9 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -307,8 +307,6 @@ struct apic {
 
         void (*setup_apic_routing)(void);
         int (*multi_timer_check)(int apic, int irq);
-        int (*apicid_to_node)(int logical_apicid);
-        int (*cpu_to_logical_apicid)(int cpu);
         int (*cpu_present_to_apicid)(int mps_cpu);
         void (*apicid_to_cpu_present)(int phys_apicid, physid_mask_t *retmap);
         void (*setup_portio_remap)(void);
@@ -356,6 +354,23 @@ struct apic {
         void (*icr_write)(u32 low, u32 high);
         void (*wait_icr_idle)(void);
         u32 (*safe_wait_icr_idle)(void);
+
+#ifdef CONFIG_X86_32
+        /*
+         * Called very early during boot from get_smp_config().  It should
+         * return the logical apicid.  x86_[bios]_cpu_to_apicid is
+         * initialized before this function is called.
+         *
+         * If logical apicid can't be determined that early, the function
+         * may return BAD_APICID.  Logical apicid will be configured after
+         * init_apic_ldr() while bringing up CPUs.  Note that NUMA affinity
+         * won't be applied properly during early boot in this case.
+         */
+        int (*x86_32_early_logical_apicid)(int cpu);
+
+        /* determine CPU -> NUMA node mapping */
+        int (*x86_32_numa_cpu_node)(int cpu);
+#endif
 };
 
 /*
@@ -503,6 +518,11 @@ extern struct apic apic_noop;
 
 extern struct apic apic_default;
 
+static inline int noop_x86_32_early_logical_apicid(int cpu)
+{
+        return BAD_APICID;
+}
+
 /*
  * Set up the logical destination ID.
  *
@@ -522,7 +542,7 @@ static inline int default_phys_pkg_id(int cpuid_apic, int index_msb)
         return cpuid_apic >> index_msb;
 }
 
-extern int default_apicid_to_node(int logical_apicid);
+extern int default_x86_32_numa_cpu_node(int cpu);
 
 #endif
 
@@ -558,12 +578,6 @@ static inline void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_ma
         *retmap = *phys_map;
 }
 
-/* Mapping from cpu number to logical apicid */
-static inline int default_cpu_to_logical_apicid(int cpu)
-{
-        return 1 << cpu;
-}
-
 static inline int __default_cpu_present_to_apicid(int mps_cpu)
 {
         if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu))
@@ -596,8 +610,4 @@ extern int default_check_phys_apicid_present(int phys_apicid);
 
 #endif /* CONFIG_X86_LOCAL_APIC */
 
-#ifdef CONFIG_X86_32
-extern u8 cpu_2_logical_apicid[NR_CPUS];
-#endif
-
 #endif /* _ASM_X86_APIC_H */