On Fri, Feb 23, 2024, Paolo Bonzini wrote:
> diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
> index 12cf6f3b367e..f6c13434fa31 100644
> --- a/arch/x86/include/uapi/asm/kvm.h
> +++ b/arch/x86/include/uapi/asm/kvm.h
> @@ -683,6 +683,9 @@ enum sev_cmd_id {
> /* Guest Migration Extension */
> KVM_SEV_SEND_CANCEL,
>
> + /* Second time is the charm; improved versions of the above ioctls. */
> + KVM_SEV_INIT2,
Heh, I was just laughing in a team meeting yesterday that it took me an
embarrassingly long time to realize that KVM_SET_CPUID2 was version 2, not for
setting two CPUID entries. :-)
> + if (copy_from_user(&data, (void __user *)(uintptr_t)argp->data, sizeof(data)))
u64_to_user_ptr()
