Re: [PATCH v2 04/15] kvm: x86: Add per-VM APICv state debugfs

[Alexander Graf]

On 15.08.19 18:25, Suthikulpanit, Suravee wrote:
> Currently, there is no way to tell whether APICv is active
> on a particular VM. This often cause confusion since APICv
> can be deactivated at runtime.
>
> Introduce a debugfs entry to report APICv state of a VM.
> This creates a read-only file:
>
>     /sys/kernel/debug/kvm/70860-14/apicv-state
>
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>

Shouldn't this first and foremost be a VM ioctl so that user space can 
inquire its own state?


Alex