Messages in this thread | | | Subject | Re: [PATCH 1/1] KVM: x86: to track if L1 is running L2 VM | From | Dongli Zhang <> | Date | Fri, 12 Mar 2021 11:13:04 -0800 |
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Hi Paolo,
On 3/6/21 5:56 AM, Paolo Bonzini wrote: > On 05/03/21 23:57, Dongli Zhang wrote: >> The new per-cpu stat 'nested_run' is introduced in order to track if L1 VM >> is running or used to run L2 VM. >> >> An example of the usage of 'nested_run' is to help the host administrator >> to easily track if any L1 VM is used to run L2 VM. Suppose there is issue >> that may happen with nested virtualization, the administrator will be able >> to easily narrow down and confirm if the issue is due to nested >> virtualization via 'nested_run'. For example, whether the fix like >> commit 88dddc11a8d6 ("KVM: nVMX: do not use dangling shadow VMCS after >> guest reset") is required. >> >> Cc: Joe Jin <joe.jin@oracle.com> >> Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> ... > > Queued, thanks. > > Paolo >
While testing the most recent kvm tree, I did not find this patch queued (debugfs entry for nested_run not available). Would you mind help confirm?
Thank you very much!
Dongli Zhang
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