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

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Date:   Fri, 01 Apr 2022 10:55:00 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
CC:     mkl@...gutronix.de, aurelien@...el32.net,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Kito Cheng <kito.cheng@...il.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, linux-riscv@...ts.infradead.org,
        linux-sparse@...r.kernel.org, ukl@...gutronix.de,
        luc.vanoostenryck@...il.com
Subject:     Re: [PATCH] riscv: fix build with binutils 2.38

On Fri, 01 Apr 2022 10:14:03 PDT (-0700), Linus Torvalds wrote:
> On Thu, Mar 31, 2022 at 11:53 PM Marc Kleine-Budde <mkl@...gutronix.de> wrote:
>>
>> | WARNING: invalid argument to '-march': 'zicsr_zifencei'
>
> Gaah, it works but still warns because I cut-and-pasted those
> zicsr/zifencei options from some random source that had them
> capitalized and I didn't look closely enough at the reports.
>
> Anyway, hopefully somebody can bother to fix up that. Possibly by
> changing the strncmp to a strnicmp - but I don't know what the rules
> for lower-case vs capitals are for the other options. I'm still busy
> with the kernel merge window, so this gets archived on my side..

I'm gluing sparse to my build tests now, so I'll sort it out (that'll 
also make sure a failure doesn't leak again).  Might not be today, but 
shouldn't take too long.