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Message-ID: <CA+G9fYtB=5iHqNiL+=dB0bHfmTiQYyKhbabep7z4-0ZOUBZiUA@mail.gmail.com>
Date:   Fri, 22 Jul 2022 12:48:22 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        regressions@...ts.linux.dev, lkft-triage@...ts.linaro.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Mark Brown <broonie@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Aishwarya TCV <Aishwarya.TCV@....com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: arm64: defconfig build failed on Linux next-20220721

On Thu, 21 Jul 2022 at 19:32, Marc Zyngier <maz@...nel.org> wrote:
>
> On Thu, 21 Jul 2022 14:53:03 +0100,
> Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
> >
> > arm64 defconfig build failed on Linux next-20220721 tag kernel.
> >
> > Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> >
> > Regressions found on arm64:
> >    - build-gcc-11-lkftconfig-64k_page_size
> >    - build-gcc-11-lkftconfig-rcutorture
> >    - build-gcc-11-lkftconfig-devicetree
> >    - build-gcc-11-lkftconfig
> >    - build-gcc-11-lkftconfig-debug
> >    - build-gcc-11-lkftconfig-armv8_features
> >    - build-gcc-11-lkftconfig-kselftest
> >    - build-gcc-11-lkftconfig-kunit
> >    - build-gcc-11-lkftconfig-libgpiod
> >    - build-gcc-11-lkftconfig-kasan
> >    - build-clang-12-lkftconfig
> >    - build-clang-14-lkftconfig
> >    - build-clang-13-lkftconfig
> >    - build-clang-nightly-lkftconfig
> >    - build-gcc-11-lkftconfig-debug-kmemleak
> >
> > make --silent --keep-going --jobs=8
> > O=/home/tuxbuild/.cache/tuxmake/builds/1/build
> > CROSS_COMPILE_COMPAT=arm-linux-gnueabihf- ARCH=arm64
> > CROSS_COMPILE=aarch64-linux-gnu- 'CC=sccache aarch64-linux-gnu-gcc'
> > 'HOSTCC=sccache gcc'
> > /builds/linux/arch/arm64/kernel/head.S: Assembler messages:
> > /builds/linux/arch/arm64/kernel/head.S:334: Error: immediate cannot be
> > moved by a single instruction
>
> See https://lore.kernel.org/r/20220721124244.903567-1-maz@kernel.org
> as a potential workaround.
>

I have tested this patch and the reported build problem has been fixed.

Tested-by: Naresh Kamboju <naresh.kamboju@...aro.org>

> Another solution would be to have Peter's patch in 5.19 but not in
> 5.20.

- Naresh

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