[RFC PATCH v11 12/29] KVM: Add KVM_CREATE_GUEST_MEMFD ioctl() for guest-specific backing memory

Paolo Bonzini pbonzini at redhat.com
Fri Jul 21 10:17:37 PDT 2023


On 7/19/23 01:44, Sean Christopherson wrote:
> +	inode = alloc_anon_inode(mnt->mnt_sb);
> +	if (IS_ERR(inode))
> +		return PTR_ERR(inode);
> +
> +	err = security_inode_init_security_anon(inode, &qname, NULL);
> +	if (err)
> +		goto err_inode;
> +

I don't understand the need to have a separate filesystem.  If it is to 
fully setup the inode before it's given a struct file, why not just 
export anon_inode_make_secure_inode instead of 
security_inode_init_security_anon?

Paolo




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