Re: [PATCH v3 08/11] KVM: X86: Introduce KVM_HC_PAGE_ENC_STATUS hypercall

[Peter Gonda]

>  struct kvm_arch_async_pf {
> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
> index 3089942f6630..431718309359 100644
> --- a/arch/x86/kvm/svm.c
> +++ b/arch/x86/kvm/svm.c
> @@ -135,6 +135,8 @@ struct kvm_sev_info {
>         int fd;                 /* SEV device fd */
>         unsigned long pages_locked; /* Number of pages locked */
>         struct list_head regions_list;  /* List of registered regions */
> +       unsigned long *page_enc_bmap;
> +       unsigned long page_enc_bmap_size;
>  };
>

Just a high level question. Would it be better for these bitmaps to
live in kvm_memory_slot and the ioctl to be take a memslot instead of
a GPA + length? The c-bit status bitmap will probably need to be
checked at when checking the dirty log and KVM_GET_DIRTY_LOG
operations on memslots.