Re: [PATCH v10 06/41] KVM: Provide generic interface for checking memory private/shared status

[Binbin Wu]

On 8/8/2026 5:52 AM, Ackerley Tng via B4 Relay wrote:
> From: Sean Christopherson <seanjc@xxxxxxxxxx>
> 
> Introduce a generic kvm_mem_is_private() interface using a static call to
> determine if a GFN is private. This allows the implementation for checking
> a GFN's private/shared status to be set at runtime.
> 
> In preparation for choosing implementations between a guest_memfd lookup
> and the existing VM attribute lookup, rename the existing
> VM-attribute-based check to kvm_vm_mem_is_private to emphasize that it

Nit:
kvm_vm_mem_is_private -> kvm_vm_mem_is_private()

> looks up VM attributes.
> 
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> Reviewed-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx>
> Reviewed-by: Fuad Tabba <tabba@xxxxxxxxxx>
> Tested-by: Shivank Garg <shivankg@xxxxxxx>
> Signed-off-by: Ackerley Tng <ackerleytng@xxxxxxxxxx>

Reviewed-by: Binbin Wu <binbin.wu@xxxxxxxxxxxxxxx>