linux-kernel - Re: [PATCH v3 00/20] kselftest install target feature

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Message-ID: <1419828790.26911.3.camel@ellerman.id.au>
Date:	Mon, 29 Dec 2014 15:53:10 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	mmarek@...e.cz, gregkh@...uxfoundation.org,
	akpm@...ux-foundation.org, rostedt@...dmis.org, mingo@...hat.com,
	davem@...emloft.net, keescook@...omium.org, tranmanphong@...il.com,
	cov@...eaurora.org, dh.herrmann@...il.com, hughd@...gle.com,
	bobby.prani@...il.com, serge.hallyn@...ntu.com,
	ebiederm@...ssion.com, tim.bird@...ymobile.com,
	josh@...htriplett.org, koct9i@...il.com,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 00/20] kselftest install target feature

On Wed, 2014-12-24 at 09:27 -0700, Shuah Khan wrote:
> This patch series adds a new kselftest_install make target
> to enable selftest install. When make kselftest_install is
> run, selftests are installed on the system. A new install
> target is added to selftests Makefile which will install
> targets for the tests that are specified in INSTALL_TARGETS.
> During install, a script is generated to run tests that are
> installed. This script will be installed in the selftest install
> directory. Individual test Makefiles are changed to add to the
> script. This will allow new tests to add install and run test
> commands to the generated kselftest script. kselftest target
> now depends on kselftest_install and runs the generated kselftest
> script to reduce duplicate work and for common look and feel when
> running tests.
> 
> This approach leverages and extends the existing framework that
> uses makefile targets to implement run_tests and adds install
> target. This will scale well as new tests get added and makes
> it easier for test writers to add install target at the same
> time new test gets added.
> 
> This v3 series reduces duplicate code to generate script
> in indiviual test Makefiles and consolidates support in
> selftests main Makefile. In the main Makefile, it does
> minimal work to set and export install path. In this
> series exec and powerpc tests are not included in the
> install, this work will be done in future patches. exec
> and powerpc are still run when make kselftest is invoked.

Any particular reason you excluded the powerpc tests? Going by a quick count,
powerpc has 32 of the 54 self tests, ie. more than half.

Sorry I didn't get a chance to review v1 or v2, but is this really the best
solution we can come up with? It seems to involve a lot of boiler plate getting
repeated in every Makefile.

I'm off this week so I can't immediately come up with something better, I'll
try in the new year.

cheers


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