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| author | Sheng Yang <sheng@linux.intel.com> | 2009-02-11 16:03:40 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-06-10 11:48:22 +0300 |
| commit | bfd349d073b2838a6a031f057d25e266619b7093 (patch) | |
| tree | b2b2f2f3f99a7e860fb7bb7c54ce322700055ebd /arch/x86/kvm/lapic.c | |
| parent | 110c2faeba1f1994bcb1de55b9c31f4147dbfdb6 (diff) | |
| download | blackbird-obmc-linux-bfd349d073b2838a6a031f057d25e266619b7093.tar.gz blackbird-obmc-linux-bfd349d073b2838a6a031f057d25e266619b7093.zip | |
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>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 6aa8d20f9eeb..afc59b2e7e02 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -483,9 +483,10 @@ static void apic_send_ipi(struct kvm_lapic *apic) 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 @@ static void apic_send_ipi(struct kvm_lapic *apic) 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 @@ 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); |
