On Fri, Jun 21, 2024 at 12:18:44PM +0200, Aleksandr Nogikh wrote: > On Thu, Jun 20, 2024 at 9:53 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > head: e5b3efbe1ab1793bb49ae07d56d0973267e65112 > > commit: 01c8f9806bde438ca1c8cbbc439f0a14a6694f6c kcov: don't lose track of remote references during softirqs > > date: 5 days ago > > config: x86_64-randconfig-014-20240202 (https://download.01.org/0day-ci/archive/20240620/202406201538.SMBucNWT-lkp@xxxxxxxxx/config) > > compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 > > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240620/202406201538.SMBucNWT-lkp@xxxxxxxxx/reproduce) > > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > > the same patch/commit), kindly add following tags > > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > | Closes: https://lore.kernel.org/oe-kbuild-all/202406201538.SMBucNWT-lkp@xxxxxxxxx/ > > > > I was unable to reproduce the problem with the attached config/script. Sorry, this should be a wrong report. We will fix the bot asap to avoid false positive. > > > All errors (new ones prefixed by >>): > > > > | ^~ > > include/asm-generic/rwonce.h:55:27: note: in definition of macro '__WRITE_ONCE' > > 55 | *(volatile typeof(x) *)&(x) = (val); \ > > | ^ > > kernel/kcov.c:363:9: note: in expansion of macro 'WRITE_ONCE' > > 363 | WRITE_ONCE(t->kcov_mode, KCOV_MODE_DISABLED); > > | ^~~~~~~~~~ > > kernel/kcov.c:363:21: error: 'struct task_struct' has no member named 'kcov_mode' > > 363 | WRITE_ONCE(t->kcov_mode, KCOV_MODE_DISABLED); > > It looks as if CONFIG_KCOV is not enabled, but > 1) It is enabled in the attached config file. > 2) If it's not enabled, the kernel/kcov.c file should not have been > compiled in the first place. > > > | ^~ > > include/asm-generic/rwonce.h:55:34: note: in definition of macro '__WRITE_ONCE' > > 55 | *(volatile typeof(x) *)&(x) = (val); \ > > | ^ > > kernel/kcov.c:363:9: note: in expansion of macro 'WRITE_ONCE' > > 363 | WRITE_ONCE(t->kcov_mode, KCOV_MODE_DISABLED); > > | ^~~~~~~~~~ > > kernel/kcov.c:363:34: error: 'KCOV_MODE_DISABLED' undeclared (first use in this function); did you mean 'KCOV_DISABLE'? > > 363 | WRITE_ONCE(t->kcov_mode, KCOV_MODE_DISABLED); > > This looks again as if CONFIG_KCOV is not set (and there follow the > same two conclusions). > > -- > Aleksandr >
