linux-kernel - Re: [PATCH v2] selftests: Add kselftest-all and kselftest-install targets

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Message-ID: <CAK7LNASNOUwnS1=FStKCpPPxDVv=43F_dgvZehJnWQUXj4ER-g@mail.gmail.com>
Date:   Sun, 29 Sep 2019 02:53:21 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     Michal Marek <michal.lkml@...kovi.net>,
        "Cc: Shuah Khan" <shuah@...nel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] selftests: Add kselftest-all and kselftest-install targets

On Fri, Sep 27, 2019 at 7:40 AM Shuah Khan <skhan@...uxfoundation.org> wrote:
>
> Add kselftest-all target to build tests from the top level
> Makefile. This is to simplify kselftest use-cases for CI and
> distributions where build and test systems are different.
>
> Current kselftest target builds and runs tests on a development
> system which is a developer use-case.
>
> Add kselftest-install target to install tests from the top level
> Makefile. This is to simplify kselftest use-cases for CI and
> distributions where build and test systems are different.
>
> This change addresses requests from developers and testers to add
> support for installing kselftest from the main Makefile.
>
> In addition, make the install directory the same when install is
> run using "make kselftest-install" or by running kselftest_install.sh.
> Also fix the INSTALL_PATH variable conflict between main Makefile and
> selftests Makefile.
>
> Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>

For the top Makefile change:

Acked-by: Masahiro Yamada <yamada.masahiro@...ionext.com>


> ---
> Changes since v1:
> - Collpased two patches that added separate targets to
>   build and install into one patch using pattern rule to
>   invoke all, install, and clean targets from main Makefile.
>
>  Makefile                                     | 5 ++---
>  tools/testing/selftests/Makefile             | 8 ++++++--
>  tools/testing/selftests/kselftest_install.sh | 4 ++--
>  3 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index d456746da347..ec296c60c1af 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1237,9 +1237,8 @@ PHONY += kselftest
>  kselftest:
>         $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
>
> -PHONY += kselftest-clean
> -kselftest-clean:
> -       $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests clean
> +kselftest-%: FORCE
> +       $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $*
>
>  PHONY += kselftest-merge
>  kselftest-merge:
> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> index c3feccb99ff5..bad18145ed1a 100644
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/Makefile
> @@ -171,9 +171,12 @@ run_pstore_crash:
>  # 1. output_dir=kernel_src
>  # 2. a separate output directory is specified using O= KBUILD_OUTPUT
>  # 3. a separate output directory is specified using KBUILD_OUTPUT
> +# Avoid conflict with INSTALL_PATH set by the main Makefile
>  #
> -INSTALL_PATH ?= $(BUILD)/install
> -INSTALL_PATH := $(abspath $(INSTALL_PATH))
> +KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
> +KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
> +# Avoid changing the rest of the logic here and lib.mk.
> +INSTALL_PATH := $(KSFT_INSTALL_PATH)
>  ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
>
>  install: all
> @@ -203,6 +206,7 @@ ifdef INSTALL_PATH
>                 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
>                 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
>                 echo -n "run_many" >> $(ALL_SCRIPT); \
> +               echo -n "Emit Tests for $$TARGET\n"; \
>                 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
>                 echo "" >> $(ALL_SCRIPT);           \
>                 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
> diff --git a/tools/testing/selftests/kselftest_install.sh b/tools/testing/selftests/kselftest_install.sh
> index ec304463883c..e2e1911d62d5 100755
> --- a/tools/testing/selftests/kselftest_install.sh
> +++ b/tools/testing/selftests/kselftest_install.sh
> @@ -24,12 +24,12 @@ main()
>                 echo "$0: Installing in specified location - $install_loc ..."
>         fi
>
> -       install_dir=$install_loc/kselftest
> +       install_dir=$install_loc/kselftest_install
>
>  # Create install directory
>         mkdir -p $install_dir
>  # Build tests
> -       INSTALL_PATH=$install_dir make install
> +       KSFT_INSTALL_PATH=$install_dir make install
>  }
>
>  main "$@"
> --
> 2.20.1
>


-- 
Best Regards
Masahiro Yamada