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References: <20220518170124.2849497-1-dlatypov@google.com> <20220518170124.2849497-3-dlatypov@google.com>
In-Reply-To: <20220518170124.2849497-3-dlatypov@google.com>
From:   David Gow <davidgow@google.com>
Date:   Thu, 19 May 2022 21:20:07 +0800
Message-ID: <CABVgOSmgxYtA0cudjHy130gMQAYBp27C8D_i2u3Zb+Jahd1toQ@mail.gmail.com>
Subject: Re: [PATCH 2/3] kunit: tool: simplify creating LinuxSourceTreeOperations
To:     Daniel Latypov <dlatypov@google.com>
Cc:     Brendan Higgins <brendanhiggins@google.com>,
        Marco Elver <elver@google.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        kasan-dev <kasan-dev@googlegroups.com>,
        KUnit Development <kunit-dev@googlegroups.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        Shuah Khan <skhan@linuxfoundation.org>
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On Thu, May 19, 2022 at 1:01 AM Daniel Latypov <dlatypov@google.com> wrote:
>
> Drop get_source_tree_ops() and just call what used to be
> get_source_tree_ops_from_qemu_config() in both cases.
>
> Also rename the functions to have shorter names and add a "_" prefix to
> note they're not meant to be used outside this function.
>
> Signed-off-by: Daniel Latypov <dlatypov@google.com>
> ---

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


-- David

>  tools/testing/kunit/kunit_kernel.py | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
> index 8bc8305ba817..e93f07ac0af1 100644
> --- a/tools/testing/kunit/kunit_kernel.py
> +++ b/tools/testing/kunit/kunit_kernel.py
> @@ -178,19 +178,16 @@ def get_old_kunitconfig_path(build_dir: str) -> str:
>  def get_outfile_path(build_dir: str) -> str:
>         return os.path.join(build_dir, OUTFILE_PATH)
>
> -def get_source_tree_ops(arch: str, cross_compile: Optional[str]) -> LinuxSourceTreeOperations:
> +def _default_qemu_config_path(arch: str) -> str:
>         config_path = os.path.join(QEMU_CONFIGS_DIR, arch + '.py')
> -       if arch == 'um':
> -               return LinuxSourceTreeOperationsUml(cross_compile=cross_compile)
>         if os.path.isfile(config_path):
> -               return get_source_tree_ops_from_qemu_config(config_path, cross_compile)[1]
> +               return config_path
>
>         options = [f[:-3] for f in os.listdir(QEMU_CONFIGS_DIR) if f.endswith('.py')]
>         raise ConfigError(arch + ' is not a valid arch, options are ' + str(sorted(options)))
>
> -def get_source_tree_ops_from_qemu_config(config_path: str,
> -                                        cross_compile: Optional[str]) -> Tuple[
> -                                                        str, LinuxSourceTreeOperations]:
> +def _get_qemu_ops(config_path: str,
> +                 cross_compile: Optional[str]) -> Tuple[str, LinuxSourceTreeOperations]:
>         # The module name/path has very little to do with where the actual file
>         # exists (I learned this through experimentation and could not find it
>         # anywhere in the Python documentation).
> @@ -226,11 +223,14 @@ class LinuxSourceTree:
>               qemu_config_path=None) -> None:
>                 signal.signal(signal.SIGINT, self.signal_handler)
>                 if qemu_config_path:
> -                       self._arch, self._ops = get_source_tree_ops_from_qemu_config(
> -                                       qemu_config_path, cross_compile)
> +                       self._arch, self._ops = _get_qemu_ops(qemu_config_path, cross_compile)
>                 else:
>                         self._arch = 'um' if arch is None else arch
> -                       self._ops = get_source_tree_ops(self._arch, cross_compile)
> +                       if self._arch == 'um':
> +                               self._ops = LinuxSourceTreeOperationsUml(cross_compile=cross_compile)
> +                       else:
> +                               qemu_config_path = _default_qemu_config_path(self._arch)
> +                               _, self._ops = _get_qemu_ops(qemu_config_path, cross_compile)
>
>                 if kunitconfig_path:
>                         if os.path.isdir(kunitconfig_path):
> --
> 2.36.1.124.g0e6072fb45-goog
>

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