netdev - Re: [PATCH 2/6] selftests: Add install target

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Date:	Tue, 20 Jan 2015 14:13:15 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, 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-api@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 2/6] selftests: Add install target

On Mon, 2015-01-19 at 09:35 -0700, Shuah Khan wrote:
> On 01/18/2015 05:35 PM, Michael Ellerman wrote:
> > On Fri, 2015-01-16 at 10:46 -0700, Shuah Khan wrote:
> >> On 01/09/2015 02:06 AM, Michael Ellerman wrote:
> >>> This adds make install support to selftests. The basic usage is:
> >>>
> >>> $ cd tools/testing/selftests
> >>> $ make install
> >>>
> >>> That installs into tools/testing/selftests/install, which can then be
> >>> copied where ever necessary.
> >>>
> >>> The install destination is also configurable using eg:
> >>>
> >>> $ INSTALL_PATH=/mnt/selftests make install
> >>
> >> Please see my response to [PATCH 4/6] kbuild: add a new
> >> kselftest_install make target to install selftests
> >>
> >> These are addressed by the current approach to use existing
> >> INSTALL_MOD_PATH.
> > 
> > No that's a separate issue.
> > 
> > This patch adds install support for tools/testing/selftests, *completely
> > separate* from the kbuild infrastructure. 
> 
> What's the use-case for this feature? I don't see why we need multiple
> ways to do the install?

Exactly the use case I described in the sentence above.

Currently the selftests directory is usable on its own. You can copy the
selftests directory somewhere and it is functional. That is a useful feature,
and there's no reason to break it.

cheers


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