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authorJan Kiszka <jan.kiszka@siemens.com>2012-03-29 23:14:12 +0400
committerAvi Kivity <avi@redhat.com>2012-04-24 16:59:47 +0400
commit07975ad3b30579ca27d880491ad992326b930c63 (patch)
treefea166a02c387949a09a948a51781074bdc9ed68 /samples/trace_events
parent1f15d10984c854e077da5aa1a23f901496b49773 (diff)
downloadlinux-07975ad3b30579ca27d880491ad992326b930c63.tar.xz
KVM: Introduce direct MSI message injection for in-kernel irqchips
Currently, MSI messages can only be injected to in-kernel irqchips by defining a corresponding IRQ route for each message. This is not only unhandy if the MSI messages are generated "on the fly" by user space, IRQ routes are a limited resource that user space has to manage carefully. By providing a direct injection path, we can both avoid using up limited resources and simplify the necessary steps for user land. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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