From: kernel test robot <lkp@intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Russell King <rmk+kernel@armlinux.org.uk>,
Ard Biesheuvel <ardb@kernel.org>,
Abbott Liu <liuwenliang@huawei.com>,
Florian Fainelli <f.fainelli@gmail.com>
Subject: arch/arm/mm/kasan_init.c:30:7: sparse: sparse: symbol 'tmp_pmd_table' was not declared. Should it be static?
Date: Thu, 13 May 2021 04:36:26 +0800 [thread overview]
Message-ID: <202105130457.JVQq5WRy-lkp@intel.com> (raw)
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Hi Stephen,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dbb5afad100a828c97e012c6106566d99f041db6
commit: 421015713b306e47af95d4d61cdfbd96d462e4cb ARM: 9017/2: Enable KASan for ARM
date: 7 months ago
config: arm-randconfig-s032-20210513 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=421015713b306e47af95d4d61cdfbd96d462e4cb
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 421015713b306e47af95d4d61cdfbd96d462e4cb
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> arch/arm/mm/kasan_init.c:30:7: sparse: sparse: symbol 'tmp_pmd_table' was not declared. Should it be static?
--
>> drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *src @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: expected void const *src
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *src @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: expected void const *src
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: got void [noderef] __iomem *
>> drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *dest @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: expected void *dest
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: got void [noderef] __iomem *
vim +/tmp_pmd_table +30 arch/arm/mm/kasan_init.c
5615f69bc20974 Linus Walleij 2020-10-25 29
5615f69bc20974 Linus Walleij 2020-10-25 @30 pmd_t tmp_pmd_table[PTRS_PER_PMD] __page_aligned_bss;
5615f69bc20974 Linus Walleij 2020-10-25 31
:::::: The code at line 30 was first introduced by commit
:::::: 5615f69bc2097452ecc954f5264d784e158d6801 ARM: 9016/2: Initialize the mapping of KASan shadow memory
:::::: TO: Linus Walleij <linus.walleij@linaro.org>
:::::: CC: Russell King <rmk+kernel@armlinux.org.uk>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2021-05-12 20:51 UTC|newest]
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