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authorSheng Yang <sheng@linux.intel.com>2009-02-11 16:03:39 +0800
committerAvi Kivity <avi@redhat.com>2009-06-10 11:48:22 +0300
commit110c2faeba1f1994bcb1de55b9c31f4147dbfdb6 (patch)
tree09e385a29bd2877a8099284ebbb225cf4da7eb64
parente5871be0f5d6847bc9585c997acb1b917c168f03 (diff)
downloadop-kernel-dev-110c2faeba1f1994bcb1de55b9c31f4147dbfdb6.zip
op-kernel-dev-110c2faeba1f1994bcb1de55b9c31f4147dbfdb6.tar.gz
KVM: Update intr delivery func to accept unsigned long* bitmap
Would be used with bit ops, and would be easily extended if KVM_MAX_VCPUS is increased. Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/kvm/lapic.c8
-rw-r--r--virt/kvm/ioapic.h2
-rw-r--r--virt/kvm/irq_comm.c2
3 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index f0b67f2..6aa8d20 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -409,7 +409,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
}
static struct kvm_lapic *kvm_apic_round_robin(struct kvm *kvm, u8 vector,
- unsigned long bitmap)
+ unsigned long *bitmap)
{
int last;
int next;
@@ -421,7 +421,7 @@ static struct kvm_lapic *kvm_apic_round_robin(struct kvm *kvm, u8 vector,
do {
if (++next == KVM_MAX_VCPUS)
next = 0;
- if (kvm->vcpus[next] == NULL || !test_bit(next, &bitmap))
+ if (kvm->vcpus[next] == NULL || !test_bit(next, bitmap))
continue;
apic = kvm->vcpus[next]->arch.apic;
if (apic && apic_enabled(apic))
@@ -437,7 +437,7 @@ static struct kvm_lapic *kvm_apic_round_robin(struct kvm *kvm, u8 vector,
}
struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector,
- unsigned long bitmap)
+ unsigned long *bitmap)
{
struct kvm_lapic *apic;
@@ -508,7 +508,7 @@ static void apic_send_ipi(struct kvm_lapic *apic)
}
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);
diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h
index f395798..7275f87 100644
--- a/virt/kvm/ioapic.h
+++ b/virt/kvm/ioapic.h
@@ -65,7 +65,7 @@ static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
}
struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector,
- unsigned long bitmap);
+ unsigned long *bitmap);
void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode);
int kvm_ioapic_init(struct kvm *kvm);
int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level);
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index e8ff89c..d4421cd 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -55,7 +55,7 @@ void kvm_get_intr_delivery_bitmask(struct kvm_ioapic *ioapic,
switch (entry->fields.delivery_mode) {
case IOAPIC_LOWEST_PRIORITY:
vcpu = kvm_get_lowest_prio_vcpu(ioapic->kvm,
- entry->fields.vector, *deliver_bitmask);
+ entry->fields.vector, deliver_bitmask);
*deliver_bitmask = 1 << vcpu->vcpu_id;
break;
case IOAPIC_FIXED:
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