diff options
Diffstat (limited to 'arch/x86/include/asm/smp.h')
| -rw-r--r-- | arch/x86/include/asm/smp.h | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 026ea82ecc60..47103eca3775 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -149,6 +149,19 @@ void smp_store_cpu_info(int id); #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) #define cpu_acpi_id(cpu) per_cpu(x86_cpu_to_acpiid, cpu) +/* + * This function is needed by all SMP systems. It must _always_ be valid + * from the initial startup. We map APIC_BASE very early in page_setup(), + * so this is correct in the x86 case. + */ +#define raw_smp_processor_id() (this_cpu_read(cpu_number)) + +#ifdef CONFIG_X86_32 +extern int safe_smp_processor_id(void); +#else +# define safe_smp_processor_id() smp_processor_id() +#endif + #else /* !CONFIG_SMP */ #define wbinvd_on_cpu(cpu) wbinvd() static inline int wbinvd_on_all_cpus(void) @@ -161,22 +174,6 @@ static inline int wbinvd_on_all_cpus(void) extern unsigned disabled_cpus; -#ifdef CONFIG_X86_32_SMP -/* - * This function is needed by all SMP systems. It must _always_ be valid - * from the initial startup. We map APIC_BASE very early in page_setup(), - * so this is correct in the x86 case. - */ -#define raw_smp_processor_id() (this_cpu_read(cpu_number)) -extern int safe_smp_processor_id(void); - -#elif defined(CONFIG_X86_64_SMP) -#define raw_smp_processor_id() (this_cpu_read(cpu_number)) - -#define safe_smp_processor_id() smp_processor_id() - -#endif - #ifdef CONFIG_X86_LOCAL_APIC #ifndef CONFIG_X86_64 @@ -191,11 +188,7 @@ static inline int logical_smp_processor_id(void) extern int hard_smp_processor_id(void); #else /* CONFIG_X86_LOCAL_APIC */ - -# ifndef CONFIG_SMP -# define hard_smp_processor_id() 0 -# endif - +#define hard_smp_processor_id() 0 #endif /* CONFIG_X86_LOCAL_APIC */ #ifdef CONFIG_DEBUG_NMI_SELFTEST |