Re: linux-next: build failure after merge of the bluetooth tree

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On Fri, Jun 23, 2023 at 2:24 PM Christian Brauner <brauner@xxxxxxxxxx> wrote:
>
> On Fri, Jun 23, 2023 at 11:23:57AM +0200, Alexander Mikhalitsyn wrote:
> > On Fri, Jun 23, 2023 at 10:34 AM Alexander Mikhalitsyn
> > <alexander@xxxxxxxxxxxxx> wrote:
> > >
> > > On Fri, Jun 23, 2023 at 12:28 AM Von Dentz, Luiz
> > > <luiz.von.dentz@xxxxxxxxx> wrote:
> > > >
> > > > Hi Stephen, Alexander,
> > >
> > > Dear friends,
> > >
> > > >
> > > > Looks like we have a similar problem as to:
> > > >
> > > > https://lore.kernel.org/lkml/20230524081933.44dc8bea@xxxxxxxxxx/
> > > >
> > > > That said for unix socket it was decided to not allow it to be build as module, which is something I don't think we are willing to do for bluetooth, so we have to find a way to get around pidfd_prepare, which seems to be called due to the use of scm_recv (it is also used by netlink btw).
> > >
> > > Ugh, yep. That's bad and we can't workaround it like we did for unix sockets.
> > >
> > > Originally, Christian had objections against exporting the
> > > pidfd_prepare function [1]
> > >
> > > [1] https://lore.kernel.org/all/20230523-flechten-ortsschild-e5724ecc4ed0@brauner/
> > >
> > > +cc Christian
> >
> > Idea. (-: We can introduce a new function like "scm_recv_light" that
>
> Seems fine to me.

Thanks, Christian!

Let's wait for Jakub's comment then :) Then I'll prepare and send a patch.

Kind regards,
Alex




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