Re: [PATCH v4 03/12] kvm: Provide explicit error for kvm_create_guest_memfd()

On Mon, Aug 17, 2026 at 06:05:45AM +0200, Philippe Mathieu-Daudé wrote:
> I'd rather avoid kvm_enabled() checks in kvm-specific API (accel/kvm/).
> 
> If ram_block_rebind() is KVM-specific, why expose it as RAMBlock API?

I only started to remember why this patch existed.. after this series
applied, kvm_create_guest_memfd() can be invoked from hostmem code, so we
need this patch to fail on old kernels that do not support init shared (old
kernel case, user triggerable).

-- 
Peter Xu