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

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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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