On Sat, 30 May 2020 00:14:57 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: ff387fc20c697cdc887b2abf7ef494e853795a2f > commit: f6396a9ececda3fa26571ccd38167373db1d2ec3 [11894/13554] 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 f6396a9ececda3fa26571ccd38167373db1d2ec3 > # 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, Thanks. --- a/arch/riscv/mm/ptdump.c~mm-ptdump-expand-type-of-val-in-note_page-fix +++ a/arch/riscv/mm/ptdump.c @@ -204,7 +204,7 @@ static void note_prot_wx(struct pg_state } static void note_page(struct ptdump_state *pt_st, unsigned long addr, - int level, unsigned long val) + int level, u64 val) { struct pg_state *st = container_of(pt_st, struct pg_state, ptdump); u64 pa = PFN_PHYS(pte_pfn(__pte(val))); _