On Wed, Feb 23, 2022 at 6:02 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 196d330d7fb1e7cc0d85641c89ce4602cb36f12e > commit: 27e8140d7819b7dce32967e4b5bba102b59196ee [6322/7526] uaccess: fix type mismatch warnings from access_ok() > config: riscv-randconfig-s032-20220223 (https://download.01.org/0day-ci/archive/20220224/202202240123.jVKXO4uv-lkp@xxxxxxxxx/config) > compiler: riscv64-linux-gcc (GCC) 11.2.0 > 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: v0.6.4-dirty > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=27e8140d7819b7dce32967e4b5bba102b59196ee > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 27e8140d7819b7dce32967e4b5bba102b59196ee > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/ > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > > sparse warnings: (new ones prefixed by >>) > >> arch/riscv/kernel/perf_callchain.c:19:26: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned long [noderef] __user *user_frame_tail @@ got unsigned long * @@ > arch/riscv/kernel/perf_callchain.c:19:26: sparse: expected unsigned long [noderef] __user *user_frame_tail > arch/riscv/kernel/perf_callchain.c:19:26: sparse: got unsigned long * Fixed now, thanks for the report! Arnd
