Re: [PATCH v6 33/33] KVM: s390: arm64: Enable KVM_ARM64 config and Kbuild

From: Marc Zyngier

Date: Tue Aug 18 2026 - 13:33:09 EST


On Wed, 12 Aug 2026 16:36:29 +0100,
Steffen Eiden <seiden@xxxxxxxxxxxxx> wrote:

[...]

> +config KVM_ARM64
> + def_tristate y
> + prompt "KVM support for hardware accelerated arm64 guests"
> + depends on HAS_IOMEM
> + depends on KVM
> + select GUEST_PERF_EVENTS if PERF_EVENTS
> + select HAVE_KVM_CPU_RELAX_INTERCEPT
> + select HAVE_KVM_IRQCHIP
> + select HAVE_KVM_VCPU_RUN_PID_CHANGE
> + select IRQ_BYPASS_MANAGER
> + select KVM_COMMON
> + select KVM_MMIO
> + select KVM_VFIO
> + select SCHED_INFO
> + select XARRAY_MULTI
> + help
> + Enable support for hosting paravirtualized, hardware-accelerated

Err... No.

KVM/arm64 is architectural, and doesn't require anything PV. I suspect
this is a direct copy-paste from the s390 text, but this does not
represent what KVM/arm64 does, and transitively what KVM/arm64-on-s390
should do.

Please drop the PV nonsense.

M.

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