Re: [PATCH v5 7/7] KVM: guest_memfd: Rework PREPARE config and hook into a more generic CONVERT

[Sean Christopherson]

On Wed, Jul 22, 2026, Xiaoyao Li wrote:
> On 7/22/2026 12:24 AM, Sean Christopherson wrote:
> > I.e. have this at the end of this prep work:
> > 
> > static bool kvm_gmem_is_private_mem(struct inode *inode, pgoff_t index)
> > {
> > 	return kvm_arch_has_private_mem(kvm) &&
> > 	       !(GMEM_I(inode)->flags & GUEST_MEMFD_FLAG_INIT_SHARED);
> > }
> 
> I'm wondering if we really need to check kvm_arch_has_private_mem() here. It
> looks checking GUEST_MEMFD_FLAG_INIT_SHARED is sufficient.

Ya, I came to the same conclusion and ended up dropping that line so that the
patch would be a guaranteed "No functional change intended".