diff options
Diffstat (limited to 'include/asm-x86/smp.h')
| -rw-r--r-- | include/asm-x86/smp.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index cd3c5f03fca..88b075c6fe8 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -165,30 +165,33 @@ extern int safe_smp_processor_id(void); #ifdef CONFIG_X86_LOCAL_APIC +#ifndef CONFIG_X86_64 static inline int logical_smp_processor_id(void) { /* we don't want to mark this access volatile - bad code generation */ return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); } -#ifndef CONFIG_X86_64 +#include <mach_apicdef.h> static inline unsigned int read_apic_id(void) { - return *(u32 *)(APIC_BASE + APIC_ID); + unsigned int reg; + + reg = *(u32 *)(APIC_BASE + APIC_ID); + + return GET_APIC_ID(reg); } -#else -extern unsigned int read_apic_id(void); #endif -# ifdef APIC_DEFINITION +# if defined(APIC_DEFINITION) || defined(CONFIG_X86_64) extern int hard_smp_processor_id(void); # else -# include <mach_apicdef.h> +#include <mach_apicdef.h> static inline int hard_smp_processor_id(void) { /* we don't want to mark this access volatile - bad code generation */ - return GET_APIC_ID(read_apic_id()); + return read_apic_id(); } # endif /* APIC_DEFINITION */ |