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KVM: nVMX: Enable nested virtual interrupt delivery
authorWincy Van <fanwenyi0529@gmail.com>
Tue, 3 Feb 2015 15:57:51 +0000 (23:57 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 3 Feb 2015 16:07:38 +0000 (17:07 +0100)
commit608406e290ca31d8f217cb765ee50152b41a7c9c
tree65987792d2f32410b87e2e2a0082c0381b3fee34tree | snapshot (tar.gz zip)
parent82f0dd4b2749ece2e48509cbd768e9bcf44d2124commit | diff
KVM: nVMX: Enable nested virtual interrupt delivery

With virtual interrupt delivery, the hardware lets KVM use a more
efficient mechanism for interrupt injection. This is an important feature
for nested VMX, because it reduces vmexits substantially and they are
much more expensive with nested virtualization.  This is especially
important for throughput-bound scenarios.

Signed-off-by: Wincy Van <fanwenyi0529@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx.c diff | blob | blame | history