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SubjectRe: [PATCH linux-kselftest/test v2] lib/list-test: add a test for the 'list' doubly linked list
On Fri, Oct 11, 2019 at 2:55 PM Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Fri, 11 Oct 2019 14:37:25 -0700 David Gow <davidgow@google.com> wrote:
>
> > On Fri, Oct 11, 2019 at 2:05 PM Andrew Morton <akpm@linux-foundation.org> wrote:
> > >
> > > <looks at kunit>
> > >
> > > Given that everything runs at late_initcall time, shouldn't everything
> > > be __init, __initdata etc so all the code and data doesn't hang around
> > > for ever?
> > >
> >
> > That's an interesting point. We haven't done this for KUnit tests to
> > date, and there is certainly a possibility down the line that we may
> > want to be able to run these tests in other circumstances. (There's
> > some work being done to allow KUnit and KUnit tests to be built as
> > modules here: https://lkml.org/lkml/2019/10/8/628 for example.) Maybe
> > it'd be worth having macros which wrap __init/__initdata etc as a way
> > of futureproofing tests against such a change?
> >
> > Either way, I suspect this is something that should probably be
> > considered for KUnit as a whole, rather than on a test-by-test basis.
>
> Sure, a new set of macros for this makes sense. Can be retrofitted any
> time.
>
> There might be a way of loading all of list_test.o into a discardable
> section at link time instead of sprinkling annotation all over the .c
> code.

I created a bug to track this here:
https://bugzilla.kernel.org/show_bug.cgi?id=205217

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