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[24.9.64.241]) by smtp.gmail.com with ESMTPSA id m9sm1677403ilc.44.2019.10.17.15.51.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Oct 2019 15:51:28 -0700 (PDT) Subject: Re: [PATCH v2] selftests: Add kselftest-all and kselftest-install targets To: Michael Ellerman , yamada.masahiro@socionext.com, michal.lkml@markovi.net, shuah@kernel.org Cc: linux-kbuild@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Shuah Khan References: <20190926224014.28910-1-skhan@linuxfoundation.org> <87sgnttpoq.fsf@mpe.ellerman.id.au> From: Shuah Khan Message-ID: <7d8056fe-ddb3-1831-d18f-deed4e0d3a76@linuxfoundation.org> Date: Thu, 17 Oct 2019 16:51:27 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On 10/16/19 10:08 AM, Shuah Khan wrote: > On 10/15/19 8:00 PM, Michael Ellerman wrote: >> Hi Shuah, >> >> I know this has been merged already, so this is just FYI and in case it >> helps anyone else who's tracking down build failures. >> > > Thanks for letting me know. I have been sending updates about > breakages. Will send an update with this info. > >> Sorry I didn't reply before you merged it, I was on leave. >> >> Shuah Khan writes: >>> 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. >> ... >>> 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 >> >> This change broke all my CI, because the tests no longer install in the >> place it's expecting them :/ >> > > Sorry about that. > >> I can fix it by explicitly specifying the install path in my CI scripts. >> >>> +KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) >>> +# Avoid changing the rest of the logic here and lib.mk. >>> +INSTALL_PATH := $(KSFT_INSTALL_PATH) >> > > > I searched all the selftests Makefiles for it and convinced myself that, > the above would take care of it for these cases. I searched powerpc > Makefiles so this doesn't break it. Didn't think about the CI. > > android/Makefile:    mkdir -p $(INSTALL_PATH) > android/Makefile:    install -t $(INSTALL_PATH) $(TEST_PROGS) > $(TEST_PROGS_EXTENDED) $(TEST_FILES) > android/Makefile:        $(MAKE) OUTPUT=$$BUILD_TARGET -C $$SUBDIR > INSTALL_PATH=$(INSTALL_PATH)/$$SUBDIR install; \ > futex/Makefile:    mkdir -p $(INSTALL_PATH) > futex/Makefile:    install -t $(INSTALL_PATH) $(TEST_PROGS) > $(TEST_PROGS_EXTENDED) $(TEST_FILES) > futex/Makefile:        $(MAKE) OUTPUT=$$BUILD_TARGET -C $$SUBDIR > INSTALL_PATH=$(INSTALL_PATH)/$$SUBDIR install; \ > sparc64/Makefile:    mkdir -p $(INSTALL_PATH) > sparc64/Makefile:    install -t $(INSTALL_PATH) $(TEST_PROGS) > $(TEST_PROGS_EXTENDED) $(TEST_FILES) > sparc64/Makefile:        $(MAKE) OUTPUT=$$BUILD_TARGET -C $$SUBDIR > INSTALL_PATH=$(INSTALL_PATH)/$$SUBDIR install; \ > > >> But because the over-rideable variable changed from INSTALL_PATH to >> KSFT_INSTALL_PATH I will need to export both of them in order for my CI >> to work with old and new kernels. > > My mistake. I overlooked that this could be overridden and could > be in used in CI scripts. > >> Can you send me your CI script for testing my changes? I also want to make sure I don't break your CI again. thanks, -- Shuah