Re: [PATCH bpf-next v4 1/6] vmalloc: introduce execmem_alloc, execmem_free, and execmem_fill

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On Mon, Nov 21, 2022 at 11:55:14AM -0800, Luis Chamberlain wrote:
> > I added these exports for test_vmalloc.ko. Is there a way to only export
> > them to test_vmalloc.ko but nothing else?
> 
> See EXPORT_SYMBOL_NS_GPL()

No, that is in no way limiting who uses it, it just makes them go
through extra hoops.

The funtionality to allocate exectuable memory is highly dangerous
and absolutely must be limited to built-in code.

So the tests should just be forced to be built-in here as well.




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