linux-kernel - arch/mips/vdso/vdso-n32-image.c:13:35: sparse: expected void Makefile certs drivers fs include init net samples scripts security tools usr virt vdso

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Message-ID: <202007101946.BoNJEqsT%lkp@intel.com>
Date:   Fri, 10 Jul 2020 19:41:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Guoyun Sun <sunguoyun@...ngson.cn>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Paul Burton <paulburton@...nel.org>
Subject: arch/mips/vdso/vdso-n32-image.c:13:35: sparse: expected void
 Makefile certs drivers fs include init net samples scripts security tools
 usr virt vdso

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   42f82040ee66db13525dc6f14b8559890b2f4c1c
commit: ad1df95419cc46b4a832cbb537716e3da9a98881 mips/vdso: Support mremap() for vDSO
date:   6 months ago
config: mips-randconfig-s031-20200710 (attached as .config)
compiler: mips64el-linux-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: v0.6.2-37-gc9676a3b-dirty
        git checkout ad1df95419cc46b4a832cbb537716e3da9a98881
        # 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__' ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)

   arch/mips/vdso/vdso-n32-image.c:13:35: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *[usertype] vdso @@     got void [noderef] <asn:1> * @@
>> arch/mips/vdso/vdso-n32-image.c:13:35: sparse:     expected void *[usertype] vdso
   arch/mips/vdso/vdso-n32-image.c:13:35: sparse:     got void [noderef] <asn:1> *

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (27893 bytes)