And don't zero bitmap twice. Assume that caller zeros it.
 
Signed-off-by: Gleb Natapov <[email protected]>
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index 7c2cb2b..21627b9 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -170,12 +170,11 @@ void kvm_ioapic_get_delivery_bitmask(struct kvm_ioapic 
*ioapic, u8 dest,
 
        ioapic_debug("dest %d dest_mode %d\n", dest, dest_mode);
 
-       *mask = 0;
        if (dest_mode == 0) {   /* Physical mode. */
                if (dest == 0xFF) {     /* Broadcast. */
                        for (i = 0; i < KVM_MAX_VCPUS; ++i)
                                if (kvm->vcpus[i] && kvm->vcpus[i]->arch.apic)
-                                       *mask |= 1 << i;
+                                       __set_bit(i, *mask);
                        return;
                }
                for (i = 0; i < KVM_MAX_VCPUS; ++i) {
@@ -184,7 +183,7 @@ void kvm_ioapic_get_delivery_bitmask(struct kvm_ioapic 
*ioapic, u8 dest,
                                continue;
                        if (kvm_apic_match_physical_addr(vcpu->arch.apic, 
dest)) {
                                if (vcpu->arch.apic)
-                                       *mask = 1 << i;
+                                       __set_bit(i, *mask);
                                break;
                        }
                }
@@ -195,7 +194,7 @@ void kvm_ioapic_get_delivery_bitmask(struct kvm_ioapic 
*ioapic, u8 dest,
                                continue;
                        if (vcpu->arch.apic &&
                            kvm_apic_match_logical_addr(vcpu->arch.apic, dest))
-                               *mask |= 1 << vcpu->vcpu_id;
+                               __set_bit(i, *mask);
                }
        ioapic_debug("mask %x\n", *mask);
 }
--
                        Gleb.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to