diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 7 | ||||
| -rw-r--r-- | arch/x86/kvm/lapic.h | 4 |
2 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 23d86c9750b9..c84d4e86fe4e 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -488,11 +488,14 @@ static inline void apic_setup_apic_calls(void) { } extern void apic_ack_irq(struct irq_data *data); +#define APIC_VECTOR_TO_BIT_NUMBER(v) ((unsigned int)(v) % 32) +#define APIC_VECTOR_TO_REG_OFFSET(v) ((unsigned int)(v) / 32 * 0x10) + static inline bool lapic_vector_set_in_irr(unsigned int vector) { - u32 irr = apic_read(APIC_IRR + (vector / 32 * 0x10)); + u32 irr = apic_read(APIC_IRR + APIC_VECTOR_TO_REG_OFFSET(vector)); - return !!(irr & (1U << (vector % 32))); + return !!(irr & (1U << APIC_VECTOR_TO_BIT_NUMBER(vector))); } static inline bool is_vector_pending(unsigned int vector) diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 1638a3da383a..56369d331bfc 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -145,8 +145,8 @@ void kvm_lapic_exit(void); u64 kvm_lapic_readable_reg_mask(struct kvm_lapic *apic); -#define VEC_POS(v) ((v) & (32 - 1)) -#define REG_POS(v) (((v) >> 5) << 4) +#define VEC_POS(v) APIC_VECTOR_TO_BIT_NUMBER(v) +#define REG_POS(v) APIC_VECTOR_TO_REG_OFFSET(v) static inline void kvm_lapic_clear_vector(int vec, void *bitmap) { |