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From: Brendan Higgins <brendanhiggins@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: David Gow <davidgow@google.com>, Shuah Khan <shuah@kernel.org>,
	Kees Cook <keescook@chromium.org>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>,
	KUnit Development <kunit-dev@googlegroups.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH linux-kselftest/test v2] lib/list-test: add a test for the 'list' doubly linked list
Date: Wed, 16 Oct 2019 13:48:33 -0700	[thread overview]
Message-ID: <CAFd5g46tNs=E5+_H4H9_aSwPJ7XVbCLTUSH6JYmmFK3QxW6Vdg@mail.gmail.com> (raw)
In-Reply-To: <20191011145519.7b7a1d16ecdead9bec212c01@linux-foundation.org>

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

  reply	other threads:[~2019-10-16 20:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 18:56 David Gow
2019-10-11 21:05 ` Andrew Morton
2019-10-11 21:07 ` Andrew Morton
2019-10-11 21:37   ` David Gow
2019-10-11 21:55     ` Andrew Morton
2019-10-16 20:48       ` Brendan Higgins [this message]
2019-10-16 21:48       ` David Gow
2019-10-17  0:32         ` Andrew Morton
2019-10-18 21:24           ` shuah
2019-10-18 21:21 ` shuah

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