linux-kernel - Re: [PATCH 4/4] selftests: Add build infrastructure along with README

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Message-ID: <7ec3aaa8-9df1-44f0-8c5d-c1e28f973386@sirena.org.uk>
Date: Mon, 8 Apr 2024 13:24:00 +0100
From: Mark Brown <broonie@...nel.org>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc: Dev Jain <dev.jain@....com>, shuah@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
	Anshuman.Khandual@....com, suzuki.poulose@....com,
	ryan.roberts@....com, rob.herring@....com, Catalin.Marinas@....com,
	will@...nel.org, mark.rutland@....com
Subject: Re: [PATCH 4/4] selftests: Add build infrastructure along with README

On Sun, Apr 07, 2024 at 02:15:15AM +0500, Muhammad Usama Anjum wrote:
> On 4/5/24 1:44 PM, Dev Jain wrote:

> > @@ -0,0 +1,31 @@
> > +KSelfTest ARM
> > +===============
> > +
> > +- This is a series of compatibility tests, wherein the source files are
> > +  built statically into a 32 bit ELF; they should pass on both 32 and 64
> > +  bit kernels. They are not built or run but just skipped completely when
> > +  env-variable ARCH is found to be different than 'arm64' or 'arm' and
> > +  `uname -m` reports other than 'aarch64', 'armv7l' or 'armv8l'.
> > +
> > +- Please ensure that the test kernel is built with CONFIG_COMPAT enabled.

> Please create a config file and put all the per-requisite configurations in
> that. For example, look at tools/testing/selftests/mm/config

Note that arm and arm64 are different architectures, and the kernel
config stuff only applies when building for arm64...

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