diff options
Diffstat (limited to 'include/asm-i386/smp.h')
| -rw-r--r-- | include/asm-i386/smp.h | 64 |
1 files changed, 57 insertions, 7 deletions
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h index 6bf0033a301..090abc1da32 100644 --- a/include/asm-i386/smp.h +++ b/include/asm-i386/smp.h @@ -8,19 +8,15 @@ #include <linux/kernel.h> #include <linux/threads.h> #include <linux/cpumask.h> -#include <asm/pda.h> #endif -#ifdef CONFIG_X86_LOCAL_APIC -#ifndef __ASSEMBLY__ -#include <asm/fixmap.h> +#if defined(CONFIG_X86_LOCAL_APIC) && !defined(__ASSEMBLY__) #include <asm/bitops.h> #include <asm/mpspec.h> +#include <asm/apic.h> #ifdef CONFIG_X86_IO_APIC #include <asm/io_apic.h> #endif -#include <asm/apic.h> -#endif #endif #define BAD_APICID 0xFFu @@ -52,6 +48,59 @@ extern void cpu_exit_clear(void); extern void cpu_uninit(void); #endif +struct smp_ops +{ + void (*smp_prepare_boot_cpu)(void); + void (*smp_prepare_cpus)(unsigned max_cpus); + int (*cpu_up)(unsigned cpu); + void (*smp_cpus_done)(unsigned max_cpus); + + void (*smp_send_stop)(void); + void (*smp_send_reschedule)(int cpu); + int (*smp_call_function_mask)(cpumask_t mask, + void (*func)(void *info), void *info, + int wait); +}; + +extern struct smp_ops smp_ops; + +static inline void smp_prepare_boot_cpu(void) +{ + smp_ops.smp_prepare_boot_cpu(); +} +static inline void smp_prepare_cpus(unsigned int max_cpus) +{ + smp_ops.smp_prepare_cpus(max_cpus); +} +static inline int __cpu_up(unsigned int cpu) +{ + return smp_ops.cpu_up(cpu); +} +static inline void smp_cpus_done(unsigned int max_cpus) +{ + smp_ops.smp_cpus_done(max_cpus); +} + +static inline void smp_send_stop(void) +{ + smp_ops.smp_send_stop(); +} +static inline void smp_send_reschedule(int cpu) +{ + smp_ops.smp_send_reschedule(cpu); +} +static inline int smp_call_function_mask(cpumask_t mask, + void (*func) (void *info), void *info, + int wait) +{ + return smp_ops.smp_call_function_mask(mask, func, info, wait); +} + +void native_smp_prepare_boot_cpu(void); +void native_smp_prepare_cpus(unsigned int max_cpus); +int native_cpu_up(unsigned int cpunum); +void native_smp_cpus_done(unsigned int max_cpus); + #ifndef CONFIG_PARAVIRT #define startup_ipi_hook(phys_apicid, start_eip, start_esp) \ do { } while (0) @@ -62,7 +111,8 @@ do { } while (0) * 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() (read_pda(cpu_number)) +DECLARE_PER_CPU(int, cpu_number); +#define raw_smp_processor_id() (x86_read_percpu(cpu_number)) extern cpumask_t cpu_callout_map; extern cpumask_t cpu_callin_map; |