Re: [RFC v1 0/6] kunit: create a centralized executor to dispatch all KUnit tests

From: Brendan Higgins
Date: Wed Jan 29 2020 - 16:19:34 EST


On Tue, Jan 28, 2020 at 8:24 PM Frank Rowand <frowand.list@xxxxxxxxx> wrote:
>
> On 1/28/20 1:53 PM, Brendan Higgins wrote:
> > On Tue, Jan 28, 2020 at 11:35 AM <Tim.Bird@xxxxxxxx> wrote:
> >>
> >>> -----Original Message-----
> >>> From: Frank Rowand on January 28, 2020 11:37 AM
> >>>
> >>> On 1/28/20 1:19 AM, Brendan Higgins wrote:
> >>>> On Mon, Jan 27, 2020 at 9:40 AM Frank Rowand <frowand.list@xxxxxxxxx> wrote:
> >> ...
> >>>> we could add Kconfigs to control this, but the compiler nevertheless
> >>>> complains because it doesn't know what phase KUnit runs in.
> >>>>
> >>>> Is there any way to tell the compiler that it is okay for non __init
> >>>> code to call __init code? I would prefer not to have a duplicate
> >>>> version of all the KUnit libraries with all the symbols marked __init.
> >>>
> >>> I'm not sure. The build messages have always been useful and valid in
> >>> my context, so I never thought to consider that possibility.
> >>>
> >>>> Thoughts?
> >>
> >> I'm not sure there's a restriction on non __init code calling __init
> >> code. In init/main.c arch_call_reset_init() is in __init, and it calls
> >> rest_init which is non __init, without any special handling.
> >>
> >> Is the compiler complaint mentioned above related to calling
> >> into __init code, or with some other issue?
> >
> > I distinctly remember having the compiler complain at me when I was
> > messing around with the device tree unit tests because of KUnit
> > calling code marked as __init. Maybe it's time to start converting
> > those to KUnit to force the issue? Frank, does that work for you?
>
> I have agreed to try converting the devicetree unittest to KUnit.
>
> Now that KUnit is in 5.5, I think there is a solid foundation for
> me to proceed.

Awesome! Last time we talked (offline), it sounded like you had a
clear idea of what you wanted to do; nevertheless, feel free to reuse
anything from my attempt at it, if you find anything useful, or
otherwise rope me in if you have any questions, comments, or
complaints.