Re: [PATCH v3 9/9] KVM: arm64: Reserve pKVM handle during pkvm_init_host_vm()

On Mon, 08 Sep 2025 19:43:37 +0100,
Fuad Tabba [off-list ref] wrote:

Hi Mark,

On Mon, 8 Sept 2025 at 17:05, Mark Brown [off-list ref] wrote:

quoted

On Wed, Aug 27, 2025 at 11:19:49AM +0100, Fuad Tabba wrote:

quoted

When a pKVM guest is active, TLB invalidations triggered by host MMU
notifiers require a valid hypervisor handle. Currently, this handle is
only allocated when the first vCPU is run.

I'm seeing the KVM selftests failing in -next on multiple nVHE
platforms (pretty sure it's all of them) which bisect down to this
commit, when booted in standard nVHE mode the selftests are all failing
to initialise with:

Thanks for pointing this out to me. I think I now know what the issue
might be, and I'll send out a fix soon.

I'll drop the series from -next until we have clarity on this.

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.