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| author | Alexander Graf | 2012-10-09 00:22:59 +0200 |
|---|---|---|
| committer | Alexander Graf | 2012-12-06 01:33:49 +0100 |
| commit | 914daba865cb5c38cd5fdee024ca38029315b38f (patch) | |
| tree | 5d0906d4fd82da801fb230256fc6bb1abb25bd0a /include/linux/kvm_host.h | |
| parent | KVM: x86: Fix uninitialized return code (diff) | |
| download | kernel-qcow2-linux-914daba865cb5c38cd5fdee024ca38029315b38f.tar.gz kernel-qcow2-linux-914daba865cb5c38cd5fdee024ca38029315b38f.tar.xz kernel-qcow2-linux-914daba865cb5c38cd5fdee024ca38029315b38f.zip | |
KVM: Distangle eventfd code from irqchip
The current eventfd code assumes that when we have eventfd, we also have
irqfd for in-kernel interrupt delivery. This is not necessarily true. On
PPC we don't have an in-kernel irqchip yet, but we can still support easily
support eventfd.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'include/linux/kvm_host.h')
| -rw-r--r-- | include/linux/kvm_host.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 8e5c7b651655..c823e47c3641 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -900,10 +900,20 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {} #ifdef CONFIG_HAVE_KVM_EVENTFD void kvm_eventfd_init(struct kvm *kvm); +int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args); + +#ifdef CONFIG_HAVE_KVM_IRQCHIP int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args); void kvm_irqfd_release(struct kvm *kvm); void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *); -int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args); +#else +static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args) +{ + return -EINVAL; +} + +static inline void kvm_irqfd_release(struct kvm *kvm) {} +#endif #else |