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From: Stephen Boyd <sboyd@kernel.org>
To: Brendan Higgins <brendanhiggins@google.com>,
	frowand.list@gmail.com, gregkh@linuxfoundation.org,
	jpoimboe@redhat.com, keescook@google.com,
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	mpe@ellerman.id.au, pmladek@suse.com, rdunlap@infradead.org,
	richard@nod.at, rientjes@google.com, rostedt@goodmis.org,
	wfg@linux.intel.com, Brendan Higgins <brendanhiggins@google.com>
Subject: Re: [PATCH v4 01/18] kunit: test: add KUnit test runner core
Date: Thu, 16 May 2019 17:35:21 -0700
Message-ID: <20190517003522.A48A7206BF@mail.kernel.org> (raw)
In-Reply-To: <20190514221711.248228-2-brendanhiggins@google.com>

Quoting Brendan Higgins (2019-05-14 15:16:54)
> diff --git a/include/kunit/test.h b/include/kunit/test.h
> new file mode 100644
> index 0000000000000..e682ea0e1f9a5
> --- /dev/null
> +++ b/include/kunit/test.h
> @@ -0,0 +1,162 @@
[..]
> +/**
> + * struct kunit - represents a running instance of a test.
> + * @priv: for user to store arbitrary data. Commonly used to pass data created
> + * in the init function (see &struct kunit_module).
> + *
> + * Used to store information about the current context under which the test is
> + * running. Most of this data is private and should only be accessed indirectly
> + * via public functions; the one exception is @priv which can be used by the
> + * test writer to store arbitrary data.
> + */
> +struct kunit {
> +       void *priv;
> +
> +       /* private: internal use only. */
> +       const char *name; /* Read only after initialization! */
> +       spinlock_t lock; /* Gaurds all mutable test state. */
> +       bool success; /* Protected by lock. */

Is this all the spinlock protects? Doesn't seem useful if it's just
protecting access to the variable being set or not because code that
reads it will have a stale view of the value.

> diff --git a/kunit/test.c b/kunit/test.c
> new file mode 100644
> index 0000000000000..86f65ba2bcf92
> --- /dev/null
> +++ b/kunit/test.c
> @@ -0,0 +1,229 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Base unit test (KUnit) API.
> + *
> + * Copyright (C) 2019, Google LLC.
> + * Author: Brendan Higgins <brendanhiggins@google.com>
> + */
> +
> +#include <linux/sched.h>
> +#include <linux/sched/debug.h>
> +#include <kunit/test.h>
> +
[...]
> +
> +size_t kunit_module_counter = 1;

static?


  reply index

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-14 22:16 [PATCH v4 00/18] kunit: introduce KUnit, the Linux kernel unit testing framework Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 01/18] kunit: test: add KUnit test runner core Brendan Higgins
2019-05-17  0:35   ` Stephen Boyd [this message]
2019-05-17 18:53   ` Stephen Boyd
2019-06-14 23:22     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 02/18] kunit: test: add test resource management API Brendan Higgins
2019-05-17  0:38   ` Stephen Boyd
2019-06-04 23:34     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 03/18] kunit: test: add string_stream a std::stream like string builder Brendan Higgins
2019-05-17 17:42   ` Stephen Boyd
2019-06-05  0:19     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 04/18] kunit: test: add kunit_stream a std::stream like logger Brendan Higgins
2019-05-17 17:58   ` Stephen Boyd
2019-06-05  0:47     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 05/18] kunit: test: add the concept of expectations Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 06/18] kbuild: enable building KUnit Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 07/18] kunit: test: add initial tests Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 08/18] objtool: add kunit_try_catch_throw to the noreturn list Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 09/18] kunit: test: add support for test abort Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 10/18] kunit: test: add tests for kunit " Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 11/18] kunit: test: add the concept of assertions Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 12/18] kunit: test: add tests for KUnit managed resources Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 13/18] kunit: tool: add Python wrappers for running KUnit tests Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 14/18] kunit: defconfig: add defconfigs for building " Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 15/18] Documentation: kunit: add documentation for KUnit Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 16/18] MAINTAINERS: add entry for KUnit the unit testing framework Brendan Higgins
2019-05-14 23:25   ` Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 17/18] kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec() Brendan Higgins
2019-05-17 18:22   ` Stephen Boyd
2019-06-06  1:29     ` Iurii Zaikin
2019-06-07 19:00       ` Stephen Boyd
2019-06-07 22:22         ` Brendan Higgins
2019-06-11 17:58         ` Brendan Higgins
2019-06-11 18:50           ` Stephen Boyd
2019-06-11 20:29             ` Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 18/18] MAINTAINERS: add proc sysctl KUnit test to PROC SYSCTL section Brendan Higgins

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