linux-kernel - Re: [PATCH v3] riscv: Discard vector state on syscalls

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Message-ID: <87fs6amlb4.fsf@all.your.base.are.belong.to.us>
Date:   Thu, 29 Jun 2023 15:48:15 +0200
From:   Björn Töpel <bjorn@...nel.org>
To:     Conor Dooley <conor.dooley@...rochip.com>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org, Andy Chiu <andy.chiu@...ive.com>,
        Björn Töpel <bjorn@...osinc.com>,
        linux-kernel@...r.kernel.org, linux@...osinc.com,
        Palmer Dabbelt <palmer@...osinc.com>,
        Rémi Denis-Courmont 
        <remi@...lab.net>, Darius Rad <darius@...espec.com>
Subject: Re: [PATCH v3] riscv: Discard vector state on syscalls

Conor Dooley <conor.dooley@...rochip.com> writes:

> clang allmodconfig and rv32_defconfig fail to build with this patch,
> according to patchwork:
> ../arch/riscv/kernel/traps.c:299:3: error: call to undeclared function 'riscv_v_vstate_discard'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]

Ugh. Sloppy. :-(

Thank you!
Björn