linux-kernel - Re: [PATCH v2 12/16] selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headers

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Message-ID: <c7bea938-ee3b-477e-9ed0-db29ca02a538@sirena.org.uk>
Date: Wed, 26 Mar 2025 13:02:50 +0000
From: Mark Brown <broonie@...nel.org>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Shuah Khan <shuah@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Kees Cook <kees@...nel.org>, Eric Biederman <ebiederm@...ssion.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Andy Lutomirski <luto@...nel.org>, Willy Tarreau <w@....eu>,
	Thomas Weißschuh <linux@...ssschuh.net>,
	"Jason A. Donenfeld" <Jason@...c4.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	llvm@...ts.linux.dev
Subject: Re: [PATCH v2 12/16] selftests: vDSO: parse_vdso: Use UAPI headers
 instead of libc headers

On Thu, Mar 20, 2025 at 01:23:47PM +0000, Mark Brown wrote:
> On Wed, Feb 26, 2025 at 12:44:51PM +0100, Thomas Weißschuh wrote:
> > To allow the usage of parse_vdso.c together with a limited libc like
> > nolibc, use the kernels own elf.h and auxvec.h headers.

> The vDSO selftests currently fail build for at least arm64 in -next:

...

> a bisect points at this patch, it looks like that's due to the switch to
> use TOOLS_INCLUDES but I didn't dig into the specifics.

This bug is now in mainline.  A fix was posted by Thomas the day after
the original report:

   https://lore.kernel.org/r/20250321-uapi-consistency-v1-1-439070118dc0@linutronix.de

but it has apparently slipped through the cracks.

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