linux-kernel - Re: [PATCH v7 02/19] hexagon: mm: Convert to GENERIC

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Message-ID: <ZJK57Uw5ZYQZY3d+@MiWiFi-R3L-srv>
Date:   Wed, 21 Jun 2023 16:50:53 +0800
From:   Baoquan He <bhe@...hat.com>
To:     kernel test robot <lkp@...el.com>
Cc:     linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        oe-kbuild-all@...ts.linux.dev, linux-arch@...r.kernel.org,
        linux-mm@...ck.org, arnd@...db.de, hch@....de,
        christophe.leroy@...roup.eu, rppt@...nel.org, willy@...radead.org,
        agordeev@...ux.ibm.com, wangkefeng.wang@...wei.com,
        schnelle@...ux.ibm.com, David.Laight@...lab.com, shorne@...il.com,
        deller@....de, nathan@...nel.org, glaubitz@...sik.fu-berlin.de,
        Brian Cain <bcain@...cinc.com>, linux-hexagon@...r.kernel.org
Subject: Re: [PATCH v7 02/19] hexagon: mm: Convert to GENERIC_IOREMAP

Hi,

On 06/21/23 at 10:15am, kernel test robot wrote:
> Hi Baoquan,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on akpm-mm/mm-everything]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Baoquan-He/asm-generic-iomap-h-remove-ARCH_HAS_IOREMAP_xx-macros/20230620-212135
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> patch link:    https://lore.kernel.org/r/20230620131356.25440-3-bhe%40redhat.com
> patch subject: [PATCH v7 02/19] hexagon: mm: Convert to GENERIC_IOREMAP
> config: hexagon-randconfig-r041-20230620 (https://download.01.org/0day-ci/archive/20230621/202306211030.DioMEPhl-lkp@intel.com/config)
> compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
> reproduce: (https://download.01.org/0day-ci/archive/20230621/202306211030.DioMEPhl-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202306211030.DioMEPhl-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
> >> arch/hexagon/kernel/hexagon_ksyms.o: error: local symbol ioremap was exported

I followed steps in your reproduce link, didn't reproduce the error as
above line reported. I can still see those PCI_IOMAP warning, however
they will disappear when rebuilding. The clone3 warning can always ben
seen. I didn't see the symbol ioremap error. Could you double check if
anything missed in steps?

[root@...l-pem620-01 linux]# COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash
Compiler will be installed in /root/0day
make --keep-going LLVM=1 CROSS_COMPILE=hexagon-linux- LLVM_IAS=1 --jobs=48 W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash
make[1]: Entering directory '/root/linux/build_dir'
  GEN     Makefile
ld.lld: /lib64/libtinfo.so.6: no version information available (required by ld.lld)
tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/run_tags_test.sh: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
tools/testing/selftests/kvm/.gitignore: warning: ignored by one of the .gitignore files
tools/testing/selftests/kvm/Makefile: warning: ignored by one of the .gitignore files
tools/testing/selftests/kvm/config: warning: ignored by one of the .gitignore files
tools/testing/selftests/kvm/settings: warning: ignored by one of the .gitignore files
  CALL    ../scripts/checksyscalls.sh
clang: /lib64/libtinfo.so.6: no version information available (required by clang)
<stdin>:1519:2: warning: syscall clone3 not implemented [-W#warnings]
 1519 | #warning syscall clone3 not implemented
      |  ^
1 warning generated.
make[1]: Leaving directory '/root/linux/build_dir'
[root@...l-pem620-01 linux]#