diff options
| author | Gleb Natapov | 2009-08-24 10:54:25 +0200 |
|---|---|---|
| committer | Avi Kivity | 2009-12-03 08:32:08 +0100 |
| commit | eba0226bdfffe262e72b8360e4d0d12070e9a0f0 (patch) | |
| tree | 93da785e3bba63a9232e529a2572541ef87c0615 /arch/x86/kvm/x86.c | |
| parent | KVM: Convert irq notifiers lists to RCU locking (diff) | |
| download | kernel-qcow2-linux-eba0226bdfffe262e72b8360e4d0d12070e9a0f0.tar.gz kernel-qcow2-linux-eba0226bdfffe262e72b8360e4d0d12070e9a0f0.tar.xz kernel-qcow2-linux-eba0226bdfffe262e72b8360e4d0d12070e9a0f0.zip | |
KVM: Move IO APIC to its own lock
The allows removal of irq_lock from the injection path.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1687d12b122a..fdf989f17a61 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2038,9 +2038,7 @@ static int kvm_vm_ioctl_get_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) sizeof(struct kvm_pic_state)); break; case KVM_IRQCHIP_IOAPIC: - memcpy(&chip->chip.ioapic, - ioapic_irqchip(kvm), - sizeof(struct kvm_ioapic_state)); + r = kvm_get_ioapic(kvm, &chip->chip.ioapic); break; default: r = -EINVAL; @@ -2070,11 +2068,7 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) spin_unlock(&pic_irqchip(kvm)->lock); break; case KVM_IRQCHIP_IOAPIC: - mutex_lock(&kvm->irq_lock); - memcpy(ioapic_irqchip(kvm), - &chip->chip.ioapic, - sizeof(struct kvm_ioapic_state)); - mutex_unlock(&kvm->irq_lock); + r = kvm_set_ioapic(kvm, &chip->chip.ioapic); break; default: r = -EINVAL; |