linux-kernel - Re: [PATCH v4 14/14] HACK: selftests/nolibc: demonstrate usage of the kselftest harness

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Message-ID: <aBmlVZ70RhyB3KNQ@finisterre.sirena.org.uk>
Date: Tue, 6 May 2025 14:59:49 +0900
From: Mark Brown <broonie@...nel.org>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Cc: Shuah Khan <shuah@...nel.org>, Shuah Khan <skhan@...uxfoundation.org>,
	Willy Tarreau <w@....eu>,
	Thomas Weißschuh <linux@...ssschuh.net>,
	Kees Cook <kees@...nel.org>, Andy Lutomirski <luto@...capital.net>,
	Will Drewry <wad@...omium.org>,
	Muhammad Usama Anjum <usama.anjum@...labora.com>,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v4 14/14] HACK: selftests/nolibc: demonstrate usage of
 the kselftest harness

On Mon, May 05, 2025 at 05:15:32PM +0200, Thomas Weißschuh wrote:

> Show how to use the kselftest harness together with nolibc.
> This just runs the existing harness selftest by crudely replacing the
> regular nolibc-test.c with the harness-selftest.c to get that wired up easily.
> To use it:
> 	$ cd tools/testing/selftests/nolibc/
> 	$ ./run-tests -m user
> 
> In the future nolibc-test can use the harness for itself.

FWIW there's also several arm64 tests which are written using nolibc
which could usefully be converted to this, they're using nolibc because
they test interfaces intended to be used by libc and so want to avoid
conflicting uses.

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