On 3/29/19 11:09 AM, Nick Desaulniers wrote: > On Fri, Mar 29, 2019 at 11:01 AM Randy Dunlap <[email protected]> wrote: >> >> On 3/29/19 10:45 AM, Nick Desaulniers wrote: >>> Fixes commit 8c3d220cb6b5 ("gcov: clang support") >>> >>> Cc: Greg Hackmann <[email protected]> >>> Cc: Tri Vo <[email protected]> >>> Cc: Peter Oberparleiter <[email protected]> >>> Cc: [email protected] >>> Cc: [email protected] >>> Reported-by: kbuild test robot <[email protected]> >>> Link: https://marc.info/?l=linux-mm&m=155384681109231&w=2 >>> Signed-off-by: Nick Desaulniers <[email protected]> >> >> Reported-by: Randy Dunlap <[email protected]> >> see >> https://lore.kernel.org/linux-mm/20190328225107.ulwyw%[email protected]/T/#mee26c00158574326e807480fc39dfcbd7bebd5fd >> >> Did you test this? > > Yes, built with gcc 7.3 and > defconfig > + > CONFIG_GCOV_KERNEL=y > CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y > CONFIG_GCOV_FORMAT_4_7=y > >> kernel/gcov/gcc_4_7.c includes local "gcov.h", >> which includes <linux/module.h>, so why didn't that work or why >> does this patch work? > > Good point. May be something in the configs from 0-day bot. Boarding > a plane for Bangkok, but can dig further once landed. > > Maybe module support was disabled?
Yes, I reported the problem with CONFIG_MODULES not enabled. -- ~Randy
