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vmm: don't call notify_guest_clock_paused when Hyper-V emulation is on

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We turn on that emulation for Windows. Windows does not have KVM's PV
clock, so calling notify_guest_clock_paused results in an error.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2020-10-15 14:55:50 +00:00 committed by Samuel Ortiz
parent 0c967e1aa0
commit d667ed0c70
1 changed files with 8 additions and 3 deletions
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11
vmm/src/cpu.rs
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@ -1357,9 +1357,14 @@ impl Pausable for CpuManager {
let mut vcpu = vcpu.lock().unwrap();
vcpu.pause()?;
#[cfg(target_arch = "x86_64")]
vcpu.vcpu.notify_guest_clock_paused().map_err(|e| {
MigratableError::Pause(anyhow!("Could not notify guest it has been paused {:?}", e))
})?;
if !self.config.kvm_hyperv {
vcpu.vcpu.notify_guest_clock_paused().map_err(|e| {
MigratableError::Pause(anyhow!(
"Could not notify guest it has been paused {:?}",
e
))
})?;
}
}
Ok(())