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From: Andrew Morton <akpm@linux-foundation.org>
To: David Gow <davidgow@google.com>
Cc: Shuah Khan <shuah@kernel.org>,
	Brendan Higgins <brendanhiggins@google.com>,
	Kees Cook <keescook@chromium.org>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>,
	kunit-dev@googlegroups.com, 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: Fri, 11 Oct 2019 14:55:19 -0700	[thread overview]
Message-ID: <20191011145519.7b7a1d16ecdead9bec212c01@linux-foundation.org> (raw)
In-Reply-To: <CABVgOS=UwWxwD97c6y-XzbLWVhznPjBO3qvQEzX=8jTJ-gBi3A@mail.gmail.com>

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.

  reply	other threads:[~2019-10-11 21:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 18:56 [PATCH linux-kselftest/test v2] lib/list-test: add a test for the 'list' doubly linked list 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 [this message]
2019-10-16 20:48       ` Brendan Higgins
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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