Re: [PATCH] riscv: fix build with binutils 2.38

From: Marc Kleine-Budde
Date: Fri Apr 01 2022 - 02:53:28 EST


On 31.03.2022 11:16:53, Linus Torvalds wrote:
> On Thu, Mar 31, 2022 at 3:51 AM Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> wrote:
> >
> > Cc += linux-sparse, Uwe, Luc Van Oostenryck
> >
> > tl;dr:
> >
> > A recent change in the kernel regarding the riscv -march handling breaks
> > current sparse.
>
> Gaah. Normally sparse doesn't even look at the -march flag, but for
> riscv it does, because it's meaningful for the predefined macros.
>
> Maybe that 'die()' shouldn't be so fatal. And maybe add a few more
> extensions (but ignore them) to the parsing.
>
> Something ENTIRELY UNTESTED like the attached.

Works-for-me:

| CHECK /srv/work/frogger/socketcan/linux/drivers/net/can/usb/etas_es58x/es58x_core.c
| WARNING: invalid argument to '-march': 'zicsr_zifencei'

Tested-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>

Regards,
Marc

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