1 files changed, 56 insertions, 35 deletions

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 1fa03e04ae44..4a0b7c7e2cce 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -2,7 +2,6 @@
 #define _ASM_X86_APIC_H
 
 #include <linux/cpumask.h>
-#include <linux/delay.h>
 #include <linux/pm.h>
 
 #include <asm/alternative.h>
@@ -141,13 +140,13 @@ static inline void native_apic_msr_write(u32 reg, u32 v)
 
 static inline u32 native_apic_msr_read(u32 reg)
 {
-        u32 low, high;
+        u64 msr;
 
         if (reg == APIC_DFR)
                 return -1;
 
-        rdmsr(APIC_BASE_MSR + (reg >> 4), low, high);
-        return low;
+        rdmsrl(APIC_BASE_MSR + (reg >> 4), msr);
+        return (u32)msr;
 }
 
 static inline void native_x2apic_wait_icr_idle(void)
@@ -181,12 +180,12 @@ extern void enable_x2apic(void);
 extern void x2apic_icr_write(u32 low, u32 id);
 static inline int x2apic_enabled(void)
 {
-        int msr, msr2;
+        u64 msr;
 
         if (!cpu_has_x2apic)
                 return 0;
 
-        rdmsr(MSR_IA32_APICBASE, msr, msr2);
+        rdmsrl(MSR_IA32_APICBASE, msr);
         if (msr & X2APIC_ENABLE)
                 return 1;
         return 0;
@@ -220,7 +219,6 @@ extern void enable_IR_x2apic(void);
 
 extern int get_physical_broadcast(void);
 
-extern void apic_disable(void);
 extern int lapic_get_maxlvt(void);
 extern void clear_local_APIC(void);
 extern void connect_bsp_APIC(void);
@@ -228,22 +226,22 @@ extern void disconnect_bsp_APIC(int virt_wire_setup);
 extern void disable_local_APIC(void);
 extern void lapic_shutdown(void);
 extern int verify_local_APIC(void);
-extern void cache_APIC_registers(void);
 extern void sync_Arb_IDs(void);
 extern void init_bsp_APIC(void);
 extern void setup_local_APIC(void);
 extern void end_local_APIC_setup(void);
+extern void bsp_end_local_APIC_setup(void);
 extern void init_apic_mappings(void);
+void register_lapic_address(unsigned long address);
 extern void setup_boot_APIC_clock(void);
 extern void setup_secondary_APIC_clock(void);
 extern int APIC_init_uniprocessor(void);
-extern void enable_NMI_through_LVT0(void);
+extern int apic_force_enable(unsigned long addr);
 
 /*
  * On 32bit this is mach-xxx local
  */
 #ifdef CONFIG_X86_64
-extern void early_init_lapic_mapping(void);
 extern int apic_is_clustered_box(void);
 #else
 static inline int apic_is_clustered_box(void)
@@ -252,16 +250,13 @@ static inline int apic_is_clustered_box(void)
 }
 #endif
 
-extern u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask);
-extern u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask);
-
+extern int setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask);
 
 #else /* !CONFIG_X86_LOCAL_APIC */
 static inline void lapic_shutdown(void) { }
 #define local_apic_timer_c2_ok          1
 static inline void init_apic_mappings(void) { }
 static inline void disable_local_APIC(void) { }
-static inline void apic_disable(void) { }
 # define setup_boot_APIC_clock x86_init_noop
 # define setup_secondary_APIC_clock x86_init_noop
 #endif /* !CONFIG_X86_LOCAL_APIC */
@@ -307,8 +302,6 @@ 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 +349,28 @@ 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);
+
+        /*
+         * Optional method called from setup_local_APIC() after logical
+         * apicid is guaranteed to be known to initialize apicid -> node
+         * mapping if NUMA initialization hasn't done so already.  Don't
+         * add new users.
+         */
+        int (*x86_32_numa_cpu_node)(int cpu);
+#endif
 };
 
 /*
@@ -366,6 +381,26 @@ struct apic {
 extern struct apic *apic;
 
 /*
+ * APIC drivers are probed based on how they are listed in the .apicdrivers
+ * section. So the order is important and enforced by the ordering
+ * of different apic driver files in the Makefile.
+ *
+ * For the files having two apic drivers, we use apic_drivers()
+ * to enforce the order with in them.
+ */
+#define apic_driver(sym)                                        \
+        static struct apic *__apicdrivers_##sym __used          \
+        __aligned(sizeof(struct apic *))                        \
+        __section(.apicdrivers) = { &sym }
+
+#define apic_drivers(sym1, sym2)                                        \
+        static struct apic *__apicdrivers_##sym1##sym2[2] __used        \
+        __aligned(sizeof(struct apic *))                                \
+        __section(.apicdrivers) = { &sym1, &sym2 }
+
+extern struct apic *__apicdrivers[], *__apicdrivers_end[];
+
+/*
  * APIC functionality to boot other CPUs - only used on SMP:
  */
 #ifdef CONFIG_SMP
@@ -443,15 +478,10 @@ static inline unsigned default_get_apic_id(unsigned long x)
 #define DEFAULT_TRAMPOLINE_PHYS_HIGH            0x469
 
 #ifdef CONFIG_X86_64
-extern struct apic apic_flat;
-extern struct apic apic_physflat;
-extern struct apic apic_x2apic_cluster;
-extern struct apic apic_x2apic_phys;
 extern int default_acpi_madt_oem_check(char *, char *);
 
 extern void apic_send_IPI_self(int vector);
 
-extern struct apic apic_x2apic_uv_x;
 DECLARE_PER_CPU(int, x2apic_extra_bits);
 
 extern int default_cpu_present_to_apicid(int mps_cpu);
@@ -465,7 +495,7 @@ static inline void default_wait_for_init_deassert(atomic_t *deassert)
         return;
 }
 
-extern void generic_bigsmp_probe(void);
+extern struct apic *generic_bigsmp_probe(void);
 
 
 #ifdef CONFIG_X86_LOCAL_APIC
@@ -501,7 +531,10 @@ extern struct apic apic_noop;
 
 #ifdef CONFIG_X86_32
 
-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.
@@ -522,8 +555,6 @@ 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);
-
 #endif
 
 static inline unsigned int
@@ -558,12 +589,6 @@ 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 +621,4 @@ 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 */