linux-kernel - Re: [PATCH] kunit: remove KUNIT_INIT_MEM

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Date:   Sat, 19 Nov 2022 16:24:50 +0800
From:   David Gow <davidgow@...gle.com>
To:     Daniel Latypov <dlatypov@...gle.com>
Cc:     brendanhiggins@...gle.com, rmoar@...gle.com,
        linux-kernel@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-kselftest@...r.kernel.org, skhan@...uxfoundation.org
Subject: Re: [PATCH] kunit: remove KUNIT_INIT_MEM_ASSERTION macro

On Thu, Nov 10, 2022 at 5:20 AM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> Commit 870f63b7cd78 ("kunit: eliminate KUNIT_INIT_*_ASSERT_STRUCT
> macros") removed all the other macros of this type.
>
> But it raced with commit b8a926bea8b1 ("kunit: Introduce
> KUNIT_EXPECT_MEMEQ and KUNIT_EXPECT_MEMNEQ macros"), which added another
> instance.
>
> Remove KUNIT_INIT_MEM_ASSERTION and just use the generic
> KUNIT_INIT_ASSERT macro instead.
> Rename the `size` arg to avoid conflicts by appending a "_" (like we did
> in the previous commit).
>
> Signed-off-by: Daniel Latypov <dlatypov@...gle.com>
> ---

Thanks for catching this. Looks good and works here.

Reviewed-by: David Gow <davidgow@...gle.com>

Cheers,
-- David

>  include/kunit/assert.h |  7 -------
>  include/kunit/test.h   | 12 ++++++------
>  2 files changed, 6 insertions(+), 13 deletions(-)
>
> diff --git a/include/kunit/assert.h b/include/kunit/assert.h
> index 43144cfddc19..24c2b9fa61e8 100644
> --- a/include/kunit/assert.h
> +++ b/include/kunit/assert.h
> @@ -192,13 +192,6 @@ void kunit_binary_str_assert_format(const struct kunit_assert *assert,
>                                     const struct va_format *message,
>                                     struct string_stream *stream);
>
> -#define KUNIT_INIT_MEM_ASSERT_STRUCT(text_, left_val, right_val, size_) {      \
> -       .text = text_,                                                         \
> -       .left_value = left_val,                                                \
> -       .right_value = right_val,                                              \
> -       .size = size_                                                          \
> -}
> -
>  /**
>   * struct kunit_mem_assert - An expectation/assertion that compares two
>   *     memory blocks.
> diff --git a/include/kunit/test.h b/include/kunit/test.h
> index d7f60e8aab30..4666a4d199ea 100644
> --- a/include/kunit/test.h
> +++ b/include/kunit/test.h
> @@ -666,13 +666,13 @@ do {                                                                             \
>                             left,                                              \
>                             op,                                                \
>                             right,                                             \
> -                           size,                                              \
> +                           size_,                                             \
>                             fmt,                                               \
>                             ...)                                               \
>  do {                                                                          \
>         const void *__left = (left);                                           \
>         const void *__right = (right);                                         \
> -       const size_t __size = (size);                                          \
> +       const size_t __size = (size_);                                         \
>         static const struct kunit_binary_assert_text __text = {                \
>                 .operation = #op,                                              \
>                 .left_text = #left,                                            \
> @@ -686,10 +686,10 @@ do {                                                                             \
>                       assert_type,                                             \
>                       kunit_mem_assert,                                        \
>                       kunit_mem_assert_format,                                 \
> -                     KUNIT_INIT_MEM_ASSERT_STRUCT(&__text,                    \
> -                                                  __left,                     \
> -                                                  __right,                    \
> -                                                  __size),                    \
> +                     KUNIT_INIT_ASSERT(.text = &__text,                       \
> +                                       .left_value = __left,                  \
> +                                       .right_value = __right,                \
> +                                       .size = __size),                       \
>                       fmt,                                                     \
>                       ##__VA_ARGS__);                                          \
>  } while (0)
>
> base-commit: 870f63b7cd78d0055902d839a60408f7428b4e84
> --
> 2.38.1.431.g37b22c650d-goog
>

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