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Date:   Fri, 1 Apr 2022 08:53:09 +0200
From:   Marc Kleine-Budde <mkl@pengutronix.de>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Aurelien Jarno <aurelien@aurel32.net>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        stable <stable@vger.kernel.org>,
        Kito Cheng <kito.cheng@gmail.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        "open list:RISC-V ARCHITECTURE" <linux-riscv@lists.infradead.org>,
        Sparse Mailing-list <linux-sparse@vger.kernel.org>,
        ukl@pengutronix.de,
        Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: Re: [PATCH] riscv: fix build with binutils 2.38
Message-ID: <20220401065309.dizbkleyw44auhbo@pengutronix.de>
References: <20220126171442.1338740-1-aurelien@aurel32.net>
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 <20220331103913.2vlneq6clnheuty6@pengutronix.de>
 <20220331105112.7t3qgtilhortkiq4@pengutronix.de>
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On 31.03.2022 11:16:53, Linus Torvalds wrote:
> On Thu, Mar 31, 2022 at 3:51 AM Marc Kleine-Budde <mkl@pengutronix.de> wr=
ote:
> >
> > Cc +=3D linux-sparse, Uwe, Luc Van Oostenryck
> >
> > tl;dr:
> >
> > A recent change in the kernel regarding the riscv -march handling breaks
> > current sparse.
>=20
> Gaah. Normally sparse doesn't even look at the -march flag, but for
> riscv it does, because it's meaningful for the predefined macros.
>=20
> Maybe that 'die()' shouldn't be so fatal. And maybe add a few more
> extensions (but ignore them) to the parsing.
>=20
> Something ENTIRELY UNTESTED like the attached.

Works-for-me:

|   CHECK   /srv/work/frogger/socketcan/linux/drivers/net/can/usb/etas_es58=
x/es58x_core.c
| WARNING: invalid argument to '-march': 'zicsr_zifencei'

Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>

Regards,
Marc

--=20
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

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