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KVM provides a complete virtual system environment for guests, including support for injecting interrupts modeled after the real exception/interrupt facilities present on the native platform (such as the IDT on x86). Virtual interrupts can come from a variety of sources (emulated devices, pass-through devices, etc) but all must be injected to the guest via the KVM infrastructure. This patch adds a new mechanism to inject a specific interrupt to a guest using a decoupled eventfd mechnanism: Any legal signal on the irqfd (using eventfd semantics from either userspace or kernel) will translate into an injected interrupt in the guest at the next available interrupt window. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Avi Kivity <avi@redhat.com>
17 lines
520 B
Makefile
17 lines
520 B
Makefile
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EXTRA_CFLAGS += -Ivirt/kvm -Iarch/x86/kvm
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kvm-y += $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
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coalesced_mmio.o irq_comm.o eventfd.o)
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kvm-$(CONFIG_KVM_TRACE) += $(addprefix ../../../virt/kvm/, kvm_trace.o)
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kvm-$(CONFIG_IOMMU_API) += $(addprefix ../../../virt/kvm/, iommu.o)
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kvm-y += x86.o mmu.o x86_emulate.o i8259.o irq.o lapic.o \
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i8254.o timer.o
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kvm-intel-y += vmx.o
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kvm-amd-y += svm.o
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obj-$(CONFIG_KVM) += kvm.o
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obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
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obj-$(CONFIG_KVM_AMD) += kvm-amd.o
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