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KVM: introduce irq_lock, use it to protect ioapic

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Introduce irq_lock, and use to protect ioapic data structures.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Marcelo Tosatti 2009-06-04 15:08:23 -03:00 • committed by Avi Kivity
commit 60eead79ad
3 changed files with 8 additions and 1 deletions
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3
include/linux/kvm_host.h
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@ -124,7 +124,6 @@ struct kvm_kernel_irq_routing_entry {
};
struct kvm {
struct mutex lock; /* protects the vcpus array and APIC accesses */
spinlock_t mmu_lock;
spinlock_t requests_lock;
struct rw_semaphore slots_lock;
@ -134,6 +133,7 @@ struct kvm {
KVM_PRIVATE_MEM_SLOTS];
struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
struct list_head vm_list;
struct mutex lock;
struct kvm_io_bus mmio_bus;
struct kvm_io_bus pio_bus;
#ifdef CONFIG_HAVE_KVM_EVENTFD
@ -150,6 +150,7 @@ struct kvm {
struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
#endif
struct mutex irq_lock;
#ifdef CONFIG_HAVE_KVM_IRQCHIP
struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */
struct hlist_head mask_notifier_list;