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Subject: [bug#34758] [PATCH 2/4] gnu: Add vhba.
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From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
References: <20190305172620.20118-1-mail@ambrevar.xyz>
	<20190305172853.21358-1-mail@ambrevar.xyz> <87pnqi3965.fsf@gnu.org>
	<87d0mid2l3.fsf@mimimi.i-did-not-set--mail-host-address--so-tickle-me>
Date: Sat, 23 Mar 2019 15:52:03 +0100
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	(Pierre Neidhardt's message of "Fri, 22 Mar 2019 22:24:56 +0100")
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To: Pierre Neidhardt <mail@ambrevar.xyz>
Cc: 34758@debbugs.gnu.org

Hello,

Pierre Neidhardt <mail@ambrevar.xyz> skribis:

> I should have explained a little bit more: the whole patchset makes no
> sense (beside libmirage) without this kernel module.  CDEmu needs it or
> it won't run.

Oh I see, I didn=E2=80=99t know that.

> This raises a general, important question: how do we build kernel
> modules on guix?  At the moment, it seems that it's only possible by
> re-building the kernel.

=E2=80=A6 or maybe just unpacking the kernel source so you have the makefile
snippet around?  Perhaps that=E2=80=99s enough?

I=E2=80=99m generally dubious about out-of-tree modules.  Given the way ker=
nel
development works, we=E2=80=99re often talking about modules of poor qualit=
y, or
proprietary modules.  Do you know the reason this one is not in the main
tree?

> I suggest we add a "build" output to the kernel  that can be used as an
> input to build kernel modules.  Maybe I should should an email to
> guix-devel to ask for more opinions / advice.=20

Yes, sounds like a good idea.

Thanks,
Ludo=E2=80=99.