linux-kernel - Re: [PATCH v2 0/2] tools/build: Fix s390(x) cross-compilation with clang

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Message-ID: <20250704133926-0cb06bd0-0e90-4cf7-94cd-d46330269250@linutronix.de>
Date: Fri, 4 Jul 2025 13:41:46 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Nick Desaulniers <nick.desaulniers+lkml@...il.com>, 
	Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, 
	Andrii Nakryiko <andrii@...nel.org>, Quentin Monnet <qmo@...nel.org>, 
	Jean-Philippe Brucker <jean-philippe@...aro.org>, Willy Tarreau <w@....eu>, 
	Thomas Weißschuh <linux@...ssschuh.net>, linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH v2 0/2] tools/build: Fix s390(x) cross-compilation with
 clang

Hi Nathan,

On Wed, Jul 02, 2025 at 02:41:33PM -0700, Nathan Chancellor wrote:
> On Fri, Jun 20, 2025 at 01:00:26PM +0200, Thomas Weißschuh wrote:
> > The heuristic to derive a clang target triple from a GCC one does not work
> > for s390. GCC uses "s390-linux" while clang expects "s390x-linux" or
> > "powerz-linux".
> 
> This generally seems fine to me but I do not interact with tools/ much.

Is it enough for a formal Reviewed-by?

> > There doesn't seem to be a formal maintainer for this file.
> > Maybe the clang/llvm maintainers can pick it up.
> 
> I do not have a tree nor do I send pull requests to Linus. Perhaps you
> could just pick this up in the nolibc tree or have Shuah take it as a
> greater kselftests update?

It's not really only related to kselftest either.
But I'll ping Shuah. Otherwise I'll indeed take it directly.

Thanks,
Thomas