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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Tue, 27 Oct 2020 15:29:34 +0530
Message-ID: <CA+G9fYvejffDjf5JVymq1mfbyCUOKTqbCPE0fSM8_5CXaXCm8A@mail.gmail.com>
Subject: Re: [PATCH v2 05/23] arm64: use asm-generic/mmu_context.h for no-op implementations
To:     Nicholas Piggin <npiggin@gmail.com>, Arnd Bergmann <arnd@arndb.de>,
        Catalin Marinas <catalin.marinas@arm.com>
Cc:     linux-arch@vger.kernel.org,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>,
        linux-mm <linux-mm@kvack.org>, Will Deacon <will@kernel.org>,
        lkft-triage@lists.linaro.org
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On Wed, 26 Aug 2020 at 21:50, Nicholas Piggin <npiggin@gmail.com> wrote:
>
> Excerpts from Catalin Marinas's message of August 27, 2020 1:25 am:
> > On Thu, Aug 27, 2020 at 12:52:31AM +1000, Nicholas Piggin wrote:
> >> Cc: Catalin Marinas <catalin.marinas@arm.com>
> >> Cc: Will Deacon <will@kernel.org>
> >> Cc: linux-arm-kernel@lists.infradead.org
> >> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> >
> > Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> >
>
> Thank you, I see I stupidly mis-rebased this patch too :( Sorry
> I'll fix that.

arm64 build error caused due to this patch on linux next 20201027 tag.

make -sk KBUILD_BUILD_USER=3DTuxBuild -C/linux ARCH=3Darm64
CROSS_COMPILE=3Daarch64-linux-gnu- HOSTCC=3Dgcc CC=3D"sccache
aarch64-linux-gnu-gcc" O=3Dbuild defconfig
#
#
#
set -e
cd /linux
export ARCH=3Darm64
export HOSTCC=3Dgcc
export CC=3Dgcc
export CROSS_COMPILE=3Daarch64-linux-gnu-
scripts/kconfig/merge_config.sh -O build 'build/.config' 'build/frag.config=
'
#
#
# make -sk KBUILD_BUILD_USER=3DTuxBuild -C/linux -j16 ARCH=3Darm64
CROSS_COMPILE=3Daarch64-linux-gnu- HOSTCC=3Dgcc CC=3D"sccache
aarch64-linux-gnu-gcc" O=3Dbuild Image
#
In file included from ../arch/arm64/include/asm/mmu_context.h:257,
                 from ../arch/arm64/include/asm/efi.h:10,
                 from ../arch/arm64/xen/../../arm/xen/enlighten.c:19:
../include/asm-generic/mmu_context.h:34:19: error: redefinition of
=E2=80=98init_new_context=E2=80=99
   34 | static inline int init_new_context(struct task_struct *tsk,
      |                   ^~~~~~~~~~~~~~~~
In file included from ../arch/arm64/include/asm/efi.h:10,
                 from ../arch/arm64/xen/../../arm/xen/enlighten.c:19:
../arch/arm64/include/asm/mmu_context.h:180:1: note: previous
definition of =E2=80=98init_new_context=E2=80=99 was here
  180 | init_new_context(struct task_struct *tsk, struct mm_struct *mm)
      | ^~~~~~~~~~~~~~~~
make[3]: *** [../scripts/Makefile.build:283:
arch/arm64/xen/../../arm/xen/enlighten.o] Error 1
In file included from ../arch/arm64/include/asm/mmu_context.h:257,
                 from ../include/linux/mmu_context.h:5,
                 from ../kernel/sched/sched.h:54,
                 from ../kernel/sched/core.c:13:
../include/asm-generic/mmu_context.h:34:19: error: redefinition of
=E2=80=98init_new_context=E2=80=99
   34 | static inline int init_new_context(struct task_struct *tsk,
      |                   ^~~~~~~~~~~~~~~~
In file included from ../include/linux/mmu_context.h:5,
                 from ../kernel/sched/sched.h:54,
                 from ../kernel/sched/core.c:13:
../arch/arm64/include/asm/mmu_context.h:180:1: note: previous
definition of =E2=80=98init_new_context=E2=80=99 was here
  180 | init_new_context(struct task_struct *tsk, struct mm_struct *mm)
      | ^~~~~~~~~~~~~~~~
make[3]: *** [../scripts/Makefile.build:283: kernel/sched/core.o] Error 1


Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>

full build log link,
https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/jobs/813497297


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