diff options
Diffstat (limited to 'include/asm-x86/mach-default/mach_apic.h')
-rw-r--r-- | include/asm-x86/mach-default/mach_apic.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index f3226b9a6b8..3c66f2cdaec 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_APIC_H +#define ASM_X86__MACH_DEFAULT__MACH_APIC_H #ifdef CONFIG_X86_LOCAL_APIC @@ -30,6 +30,8 @@ static inline cpumask_t target_cpus(void) #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) #define phys_pkg_id (genapic->phys_pkg_id) #define vector_allocation_domain (genapic->vector_allocation_domain) +#define read_apic_id() (GET_APIC_ID(apic_read(APIC_ID))) +#define send_IPI_self (genapic->send_IPI_self) extern void setup_apic_routing(void); #else #define INT_DELIVERY_MODE dest_LowestPrio @@ -54,7 +56,7 @@ static inline void init_apic_ldr(void) static inline int apic_id_registered(void) { - return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map); + return physid_isset(read_apic_id(), phys_cpu_present_map); } static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) @@ -83,6 +85,20 @@ static inline int apicid_to_node(int logical_apicid) return 0; #endif } + +static inline cpumask_t vector_allocation_domain(int cpu) +{ + /* 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_t domain = { { [0] = APIC_ALL_CPUS, } }; + return domain; +} #endif static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) @@ -136,6 +152,5 @@ static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) static inline void enable_apic_mode(void) { } - #endif /* CONFIG_X86_LOCAL_APIC */ -#endif /* __ASM_MACH_APIC_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */ |