On 4/10/2025 2:11 PM, Christoph Hellwig wrote: > On Tue, Apr 08, 2025 at 11:23:57AM +0000, Shivank Garg wrote: >> KVM guest_memfd is implementing its own inodes to store metadata for >> backing memory using a custom filesystem. This requires the ability to >> initialize anonymous inode using security_inode_init_security_anon(). >> >> As guest_memfd currently resides in the KVM module, we need to export this >> symbol for use outside the core kernel. In the future, guest_memfd might be >> moved to core-mm, at which point the symbols no longer would have to be >> exported. When/if that happens is still unclear. > > This really should be a EXPORT_SYMBOL_GPL, if at all. > > But you really should look into a new interface in anon_inode.c that > can be reused instead of duplicating anonymouns inode logic in kvm.ko. > I agree, it makes sense. I'll use EXPORT_SYMBOL_GPL in next version and look into reusing reusing existing logic. Thanks, Shivank