linux-kernel - Re: [PATCH linux-kselftest/test v2] lib/list-test: add a test for the 'list' doubly linked list

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Message-Id: <20191011140536.03c3e25500b31ddcfa0f542b@linux-foundation.org>
Date:   Fri, 11 Oct 2019 14:05:36 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     David Gow <davidgow@...gle.com>
Cc:     shuah@...nel.org, brendanhiggins@...gle.com, keescook@...omium.org,
        linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-kselftest/test v2] lib/list-test: add a test for
 the 'list' doubly linked list

On Thu, 10 Oct 2019 11:56:31 -0700 David Gow <davidgow@...gle.com> wrote:

> Add a KUnit test for the kernel doubly linked list implementation in
> include/linux/list.h
> 
> Each test case (list_test_x) is focused on testing the behaviour of the
> list function/macro 'x'. None of the tests pass invalid lists to these
> macros, and so should behave identically with DEBUG_LIST enabled and
> disabled.
> 
> Note that, at present, it only tests the list_ types (not the
> singly-linked hlist_), and does not yet test all of the
> list_for_each_entry* macros (and some related things like
> list_prepare_entry).

<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?