linux-kernel - Re: [PATCH] riscv: fix build with binutils 2.38

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 31 Mar 2022 11:16:53 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Marc Kleine-Budde <mkl@...gutronix.de>
Cc:     Aurelien Jarno <aurelien@...el32.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>,
        Kito Cheng <kito.cheng@...il.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "open list:RISC-V ARCHITECTURE" <linux-riscv@...ts.infradead.org>,
        Sparse Mailing-list <linux-sparse@...r.kernel.org>,
        ukl@...gutronix.de,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Subject: Re: [PATCH] riscv: fix build with binutils 2.38

On Thu, Mar 31, 2022 at 3:51 AM Marc Kleine-Budde <mkl@...gutronix.de> 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.

               Linus

View attachment "patch.diff" of type "text/x-patch" (1074 bytes)