KVM: bit ops for deliver_bitmap
It's also convenient when we extend KVM supported vcpu number in the future.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 6aa8d20..afc59b2 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -483,9 +483,10 @@
struct kvm_vcpu *target;
struct kvm_vcpu *vcpu;
- unsigned long lpr_map = 0;
+ DECLARE_BITMAP(lpr_map, KVM_MAX_VCPUS);
int i;
+ bitmap_zero(lpr_map, KVM_MAX_VCPUS);
apic_debug("icr_high 0x%x, icr_low 0x%x, "
"short_hand 0x%x, dest 0x%x, trig_mode 0x%x, level 0x%x, "
"dest_mode 0x%x, delivery_mode 0x%x, vector 0x%x\n",
@@ -500,7 +501,7 @@
if (vcpu->arch.apic &&
apic_match_dest(vcpu, apic, short_hand, dest, dest_mode)) {
if (delivery_mode == APIC_DM_LOWEST)
- set_bit(vcpu->vcpu_id, &lpr_map);
+ __set_bit(vcpu->vcpu_id, lpr_map);
else
__apic_accept_irq(vcpu->arch.apic, delivery_mode,
vector, level, trig_mode);
@@ -508,7 +509,7 @@
}
if (delivery_mode == APIC_DM_LOWEST) {
- target = kvm_get_lowest_prio_vcpu(vcpu->kvm, vector, &lpr_map);
+ target = kvm_get_lowest_prio_vcpu(vcpu->kvm, vector, lpr_map);
if (target != NULL)
__apic_accept_irq(target->arch.apic, delivery_mode,
vector, level, trig_mode);