tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c commit: 8e1fbb89ffff1b66d68ad6f28b5dda689def97d9 [13212/14131] mm: ptdump: expand type of 'val' in note_page() config: riscv-allyesconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8e1fbb89ffff1b66d68ad6f28b5dda689def97d9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): arch/riscv/mm/ptdump.c: In function 'ptdump_walk': >> arch/riscv/mm/ptdump.c:255:17: error: initialization of 'void (*)(struct ptdump_state *, long unsigned int, int, u64)' {aka 'void (*)(struct ptdump_state *, long unsigned int, int, long long unsigned int)'} from incompatible pointer type 'void (*)(struct ptdump_state *, long unsigned int, int, long unsigned int)' [-Werror=incompatible-pointer-types] 255 | .note_page = note_page, | ^~~~~~~~~ arch/riscv/mm/ptdump.c:255:17: note: (near initialization for 'st.ptdump.note_page') arch/riscv/mm/ptdump.c: In function 'ptdump_check_wx': arch/riscv/mm/ptdump.c:277:17: error: initialization of 'void (*)(struct ptdump_state *, long unsigned int, int, u64)' {aka 'void (*)(struct ptdump_state *, long unsigned int, int, long long unsigned int)'} from incompatible pointer type 'void (*)(struct ptdump_state *, long unsigned int, int, long unsigned int)' [-Werror=incompatible-pointer-types] 277 | .note_page = note_page, | ^~~~~~~~~ arch/riscv/mm/ptdump.c:277:17: note: (near initialization for 'st.ptdump.note_page') cc1: some warnings being treated as errors vim +255 arch/riscv/mm/ptdump.c 59c4da8640ccf4 Zong Li 2020-03-12 247 59c4da8640ccf4 Zong Li 2020-03-12 248 static void ptdump_walk(struct seq_file *s) 59c4da8640ccf4 Zong Li 2020-03-12 249 { 59c4da8640ccf4 Zong Li 2020-03-12 250 struct pg_state st = { 59c4da8640ccf4 Zong Li 2020-03-12 251 .seq = s, 59c4da8640ccf4 Zong Li 2020-03-12 252 .marker = address_markers, 59c4da8640ccf4 Zong Li 2020-03-12 253 .level = -1, 59c4da8640ccf4 Zong Li 2020-03-12 254 .ptdump = { 59c4da8640ccf4 Zong Li 2020-03-12 @255 .note_page = note_page, 59c4da8640ccf4 Zong Li 2020-03-12 256 .range = (struct ptdump_range[]) { 59c4da8640ccf4 Zong Li 2020-03-12 257 {KERN_VIRT_START, ULONG_MAX}, 59c4da8640ccf4 Zong Li 2020-03-12 258 {0, 0} 59c4da8640ccf4 Zong Li 2020-03-12 259 } 59c4da8640ccf4 Zong Li 2020-03-12 260 } 59c4da8640ccf4 Zong Li 2020-03-12 261 }; 59c4da8640ccf4 Zong Li 2020-03-12 262 59c4da8640ccf4 Zong Li 2020-03-12 263 ptdump_walk_pgd(&st.ptdump, &init_mm, NULL); 59c4da8640ccf4 Zong Li 2020-03-12 264 } 59c4da8640ccf4 Zong Li 2020-03-12 265 :::::: The code at line 255 was first introduced by commit :::::: 59c4da8640ccf4721d54d36835706f3eefb521a4 riscv: Add support to dump the kernel page tables :::::: TO: Zong Li <zong.li@xxxxxxxxxx> :::::: CC: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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