diff options
Diffstat (limited to 'include/asm-x86/smp.h')
| -rw-r--r-- | include/asm-x86/smp.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index bcbd25cbd863..c0d693ca4357 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -174,6 +174,11 @@ static inline int logical_smp_processor_id(void) return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); } +static inline unsigned int read_apic_id(void) +{ + return *(u32 *)(APIC_BASE + APIC_ID); +} + # ifdef APIC_DEFINITION extern int hard_smp_processor_id(void); # else @@ -181,7 +186,7 @@ extern int hard_smp_processor_id(void); static inline int hard_smp_processor_id(void) { /* we don't want to mark this access volatile - bad code generation */ - return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID)); + return GET_APIC_ID(read_apic_id()); } # endif /* APIC_DEFINITION */ |