Re: [PATCH] KVM: vmx: fix underflow in TSC deadline calculation

From: Paolo Bonzini
Date: Tue Jun 28 2016 - 16:07:42 EST




On 28/06/2016 20:34, yunhong jiang wrote:
> Paolo, thanks for reply.
>
> Which race window you are talking about? Is it the
> kvm_lapic_switch_to_hv_timer()? If yes, hope we will not forgot it once the
> lapic timer is not pinned anymore in future.

Yes, it's that one. This is a good point against using
local_irq_save/restore.

Paolo