Re: [PATCH 2/2] kvm: nVMX: Single-step traps trump expired VMX-preemption timer

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On 14/04/20 02:09, Jim Mattson wrote:
> Previously, if the hrtimer for the nested VMX-preemption timer fired
> while L0 was emulating an L2 instruction with RFLAGS.TF set, the
> synthesized single-step trap would be unceremoniously dropped when
> synthesizing the "VMX-preemption timer expired" VM-exit from L2 to L1.
> 
> To fix this, don't synthesize a "VMX-preemption timer expired" VM-exit
> from L2 to L1 when there is a pending debug trap, such as a
> single-step trap.

Do you have a testcase for these bugs?

Paolo




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