diff options
Diffstat (limited to 'arch/x86/include/asm/apic.h')
-rw-r--r-- | arch/x86/include/asm/apic.h | 73 |
1 files changed, 12 insertions, 61 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 6561ea088b6a..1081cfb4f159 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -476,94 +476,45 @@ DECLARE_PER_CPU(int, x2apic_extra_bits); extern void generic_bigsmp_probe(void); - #ifdef CONFIG_X86_LOCAL_APIC #include <asm/smp.h> #define APIC_DFR_VALUE (APIC_DFR_FLAT) -static inline const struct cpumask *default_target_cpus(void) -{ -#ifdef CONFIG_SMP - return cpu_online_mask; -#else - return cpumask_of(0); -#endif -} - -static inline const struct cpumask *online_target_cpus(void) -{ - return cpu_online_mask; -} - DECLARE_EARLY_PER_CPU_READ_MOSTLY(u16, x86_bios_cpu_apicid); +extern struct apic apic_noop; static inline unsigned int read_apic_id(void) { - unsigned int reg; - - reg = apic_read(APIC_ID); + unsigned int reg = apic_read(APIC_ID); return apic->get_apic_id(reg); } -static inline int default_apic_id_valid(int apicid) -{ - return (apicid < 255); -} - +extern const struct cpumask *default_target_cpus(void); +extern const struct cpumask *online_target_cpus(void); +extern int default_apic_id_valid(int apicid); extern int default_acpi_madt_oem_check(char *, char *); - extern void default_setup_apic_routing(void); - -extern struct apic apic_noop; - extern int flat_cpu_mask_to_apicid(const struct cpumask *cpumask, struct irq_data *irqdata, unsigned int *apicid); extern int default_cpu_mask_to_apicid(const struct cpumask *cpumask, struct irq_data *irqdata, unsigned int *apicid); - -static inline void -flat_vector_allocation_domain(int cpu, struct cpumask *retmask, - const struct cpumask *mask) -{ - /* Careful. Some cpus do not strictly honor the set of cpus - * specified in the interrupt destination when using lowest - * priority interrupt delivery mode. - * - * In particular there was a hyperthreading cpu observed to - * deliver interrupts to the wrong hyperthread when only one - * hyperthread was specified in the interrupt desitination. - */ - cpumask_clear(retmask); - cpumask_bits(retmask)[0] = APIC_ALL_CPUS; -} - -static inline void -default_vector_allocation_domain(int cpu, struct cpumask *retmask, - const struct cpumask *mask) -{ - cpumask_copy(retmask, cpumask_of(cpu)); -} - -static inline bool default_check_apicid_used(physid_mask_t *map, int apicid) -{ - return physid_isset(apicid, *map); -} - -static inline void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap) -{ - *retmap = *phys_map; -} - +extern bool default_check_apicid_used(physid_mask_t *map, int apicid); +extern void flat_vector_allocation_domain(int cpu, struct cpumask *retmask, + const struct cpumask *mask); +extern void default_vector_allocation_domain(int cpu, struct cpumask *retmask, + const struct cpumask *mask); +extern void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap); extern int default_cpu_present_to_apicid(int mps_cpu); extern int default_check_phys_apicid_present(int phys_apicid); #endif /* CONFIG_X86_LOCAL_APIC */ + extern void irq_enter(void); extern void irq_exit(void); |