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authorMichael S. Tsirkin <mst@redhat.com>2012-09-05 20:00:52 +0300
committerAvi Kivity <avi@redhat.com>2012-09-06 18:37:44 +0300
commita50abc3b2b469ee80bc0f9ef5b6d457ef72659a9 (patch)
treeb091f3302cd2bfd6452630655029f39b4d1ce6b1
parentb3356bf0dbb34980620f2f7def7d1b9a0d325225 (diff)
downloadblackbird-op-linux-a50abc3b2b469ee80bc0f9ef5b6d457ef72659a9.tar.gz
blackbird-op-linux-a50abc3b2b469ee80bc0f9ef5b6d457ef72659a9.zip
KVM: use symbolic constant for nr interrupts
interrupt_bitmap is KVM_NR_INTERRUPTS bits in size, so just use that instead of hard-coded constants and math. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/kvm/x86.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f91e2c9d7cb1..c4d451ed1573 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2366,7 +2366,7 @@ static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu,
static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
struct kvm_interrupt *irq)
{
- if (irq->irq < 0 || irq->irq >= 256)
+ if (irq->irq < 0 || irq->irq >= KVM_NR_INTERRUPTS)
return -EINVAL;
if (irqchip_in_kernel(vcpu->kvm))
return -ENXIO;
@@ -5793,7 +5793,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
if (mmu_reset_needed)
kvm_mmu_reset_context(vcpu);
- max_bits = (sizeof sregs->interrupt_bitmap) << 3;
+ max_bits = KVM_NR_INTERRUPTS;
pending_vec = find_first_bit(
(const unsigned long *)sregs->interrupt_bitmap, max_bits);
if (pending_vec < max_bits) {
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