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(a)intel.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