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hypervisor: mshv: handle APIC EOI message
Signed-off-by: Wei Liu <liuwe@microsoft.com>
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@ -562,6 +562,18 @@ impl cpu::Vcpu for MshvVcpu {
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debug!("Exception Info {:?}", { info.exception_vector });
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debug!("Exception Info {:?}", { info.exception_vector });
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Ok(cpu::VmExit::Ignore)
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Ok(cpu::VmExit::Ignore)
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}
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}
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hv_message_type_HVMSG_X64_APIC_EOI => {
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let info = x.to_apic_eoi_info().unwrap();
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// The kernel should dispatch the EOI to the correct thread.
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// Check the VP index is the same as the one we have.
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assert!(info.vp_index == self.vp_index as u32);
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// The interrupt vector in info is u32, but x86 only supports 256 vectors.
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// There is no good way to recover from this if the hypervisor messes around.
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// Just unwrap.
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Ok(cpu::VmExit::IoapicEoi(
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info.interrupt_vector.try_into().unwrap(),
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))
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}
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exit => Err(cpu::HypervisorCpuError::RunVcpu(anyhow!(
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exit => Err(cpu::HypervisorCpuError::RunVcpu(anyhow!(
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"Unhandled VCPU exit {:?}",
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"Unhandled VCPU exit {:?}",
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exit
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exit
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