Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Thu, 28 Oct 2021 17:17:11 +0530
Message-ID: <CA+G9fYtQCd4V9Y=qEGZeQw17TRNG1p_g9MKtYaWVo8QPua-Cug@mail.gmail.com>
Subject: mips: irq.c:114:19: error: unused variable 'desc' [-Werror=unused-variable]
To:     Linux-Next Mailing List <linux-next@vger.kernel.org>,
        linux-mips@vger.kernel.org,
        open list <linux-kernel@vger.kernel.org>
Cc:     Mark Rutland <mark.rutland@arm.com>, Marc Zyngier <maz@kernel.org>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Thomas Gleixner <tglx@linutronix.de>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        lkft-triage@lists.linaro.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

Regression found on mips gcc-10 built with defconfig
Following build warnings / errors reported on linux next 20211027.

The bisect tool pointing to the following commit
The first bad commit:

commit 4cb6f4df976b288aa02bbb658d38e73d34d8231f
  irq: mips: simplify do_domain_IRQ()

metadata:
    git_describe: next-20211027
    git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
    git_short_log: ae5179317e79 (\"Add linux-next specific files for 20211027\")
    target_arch: mips
    toolchain: gcc-10

build error :
--------------
<stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp]
arch/mips/kernel/irq.c: In function 'do_domain_IRQ':
arch/mips/kernel/irq.c:114:19: error: unused variable 'desc'
[-Werror=unused-variable]
  struct irq_desc *desc;
                   ^~~~
cc1: all warnings being treated as errors

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

build link:
-----------
https://builds.tuxbuild.com/205S9XOzkonL7F3xvY8YUO2l1QT/build.log

build config:
-------------
https://builds.tuxbuild.com/205S9XOzkonL7F3xvY8YUO2l1QT/config

# To install tuxmake on your system globally
# sudo pip3 install -U tuxmake
tuxmake --runtime podman --target-arch mips --toolchain gcc-10
--kconfig defconfig

--
Linaro LKFT
https://lkft.linaro.org