Re: [PATCH kvmtool v3 6/6] arm64: Generate HYP timer interrupt specifiers

[Marc Zyngier <maz@xxxxxxxxxx>]

On Mon, 04 Aug 2025 15:47:55 +0100,
Alexandru Elisei <alexandru.elisei@xxxxxxx> wrote:
> 
> KVM doesn't allow FEAT_VHE and FEAT_E2H0 to coexist (in
> nested.c::limit_nv_id_reg()), to force E2H to be RES0. Assuming my interpretion
> is correct, shouldn't the check be:
> 
> 	if (!kvm->cfg.arch.nested_virt || kvm->cfg.arch.e2h0)
> 		nr--;
> 

And yet KVM exposes that timer, irrespective of FEAT_VHE. Probably
something that should be addressed.

	M.

-- 
Jazz isn't dead. It just smells funny.