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author | Ingo Molnar <mingo@elte.hu> | 2009-03-04 02:29:19 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-04 02:29:19 +0100 |
commit | 91d75e209bd59695f0708d66964d928d45b3b2f3 (patch) | |
tree | 32cab1359d951e4193bebb181a0f0319824a2b95 /arch/x86/include/asm/apic.h | |
parent | 9976b39b5031bbf76f715893cf080b6a17683881 (diff) | |
parent | 8b0e5860cb099d7958d13b00ffbc35ad02735700 (diff) | |
download | blackbird-op-linux-91d75e209bd59695f0708d66964d928d45b3b2f3.tar.gz blackbird-op-linux-91d75e209bd59695f0708d66964d928d45b3b2f3.zip |
Merge branch 'x86/core' into core/percpu
Diffstat (limited to 'arch/x86/include/asm/apic.h')
-rw-r--r-- | arch/x86/include/asm/apic.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index a6208dc74633..4ef949c1972e 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -75,7 +75,14 @@ static inline void default_inquire_remote_apic(int apicid) #define setup_secondary_clock setup_secondary_APIC_clock #endif +#ifdef CONFIG_X86_VSMP extern int is_vsmp_box(void); +#else +static inline int is_vsmp_box(void) +{ + return 0; +} +#endif extern void xapic_wait_icr_idle(void); extern u32 safe_xapic_wait_icr_idle(void); extern void xapic_icr_write(u32, u32); @@ -306,7 +313,7 @@ struct apic { void (*send_IPI_self)(int vector); /* wakeup_secondary_cpu */ - int (*wakeup_cpu)(int apicid, unsigned long start_eip); + int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip); int trampoline_phys_low; int trampoline_phys_high; @@ -324,8 +331,21 @@ struct apic { u32 (*safe_wait_icr_idle)(void); }; +/* + * Pointer to the local APIC driver in use on this system (there's + * always just one such driver in use - the kernel decides via an + * early probing process which one it picks - and then sticks to it): + */ extern struct apic *apic; +/* + * APIC functionality to boot other CPUs - only used on SMP: + */ +#ifdef CONFIG_SMP +extern atomic_t init_deasserted; +extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); +#endif + static inline u32 apic_read(u32 reg) { return apic->read(reg); @@ -384,9 +404,7 @@ static inline unsigned default_get_apic_id(unsigned long x) #define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467 #define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469 -#ifdef CONFIG_X86_32 -extern void es7000_update_apic_to_cluster(void); -#else +#ifdef CONFIG_X86_64 extern struct apic apic_flat; extern struct apic apic_physflat; extern struct apic apic_x2apic_cluster; |