Re: [PATCH v6 7/9] KVM: guest_memfd: Rename prepare() hook and Kconfig to make_private() / CONVERT

[Sean Christopherson <seanjc@google.com>]

On Mon, Jul 27, 2026, Xiaoyao Li wrote:
> On 7/24/2026 5:08 AM, Sean Christopherson wrote:
> > Rework guest_memfd's prepare() hook into a more accurate make_private(),
> > and rework its Kconfig from PREPARE to a more generic CONVERT.
> 
> > This will
> > allow x86 to share (pun intended) a kvm_x86_ops.gmem_make_shared() hook
> > between the "convert to shared" and "reclaim" flows, which are one and the
> > same for SNP.
> 
> Does it mean in the future we will introduce something like below?
> 
> #ifdef CONFIG_HAVE_KVM_ARCH_GMEM_CONVERT
> int kvm_arch_gmem_make_private(struct kvm *kvm, gfn_t gfn, kvm_pfn_t pfn,
> int max_order)
> {
> 	return kvm_x86_call(gmem_make_private)(kvm, pfn, gfn, max_order);
> }
> 
> +int kvm_arch_gmem_make_shared(kvm_pfn_t pfn, kvm_pfn_t nr_pages)
> +{
> +	return kvm_x86_call(gmem_make_private)(pfn, nr_pages);

s/gmem_make_private/gmem_make_shared, but yeah, that's the plan for the in-place
conversion series.