Re: [PATCH 1/2] KVM: arm64: Disallow vPMU for NV guests

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On 2023-10-11 09:16, Oliver Upton wrote:
The existing PMU emulation code is inadequate for use with nested
virt. Disable the feature altogether with NV until the hypervisor
controls are handled correctly.

Could you at least mention *what* is missing? Most of the handling
should identical, and the couple of bits what would need to be
handled (such as MDCR_EL2) are not covered by this disabling.

As it is stands, I'm not there is much to be gained from this.

Thanks,

        M.
--
Jazz is not dead. It just smells funny...



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