Re: [PATCH 27/33] sctp: export sctp_setsockopt_bindx

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On Wed, May 13, 2020 at 03:00:58PM -0300, Marcelo Ricardo Leitner wrote:
> On Wed, May 13, 2020 at 08:26:42AM +0200, Christoph Hellwig wrote:
> > And call it directly from dlm instead of going through kernel_setsockopt.
> 
> The advantage on using kernel_setsockopt here is that sctp module will
> only be loaded if dlm actually creates a SCTP socket.  With this
> change, sctp will be loaded on setups that may not be actually using
> it. It's a quite big module and might expose the system.

True.  Not that the intent is to kill kernel space callers of setsockopt,
as I plan to remove the set_fs address space override used for it.  So
if always pulling in sctp is not an option for the DLM maintainers we'd
have to do tricks using symbol_get() or similar.

The same would also apply for ipv6, although I'm not sure how common
modular ipv6 is in practice.



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