Hello, guys. On Fri, Feb 01, 2013 at 01:17:58AM +0800, kbuild test robot wrote: > tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux master > head: 04c2eee5b9dfcb13f3cd07a5537fb8c785f2751a > commit: a3201227f803ad7fd43180c5195dbe5a2bf998aa freezer: make freezing() > test freeze conditions in effect instead of TIF_FREEZE > date: 1 year, 2 months ago
Heh, this gone goes way back. > config: make ARCH=tile allyesconfig > > All error/warnings: > > kernel/cgroup_freezer.c: In function 'freezer_destroy': > >> kernel/cgroup_freezer.c:151:3: error: 'system_freezing_cnt' undeclared > >> (first use in this function) > kernel/cgroup_freezer.c:151:3: note: each undeclared identifier is > reported only once for each function it appears in > kernel/cgroup_freezer.c: In function 'freezer_fork': > kernel/cgroup_freezer.c:209:3: error: implicit declaration of function > 'freeze_task' > kernel/cgroup_freezer.c: In function 'unfreeze_cgroup': > kernel/cgroup_freezer.c:296:3: error: implicit declaration of function > '__thaw_task' > kernel/cgroup_freezer.c: In function 'freezer_change_state': > >> kernel/cgroup_freezer.c:315:4: error: 'system_freezing_cnt' undeclared > >> (first use in this function) So, CONFIG_FREEZER is defbool which is turned on automatically if CONFIG_CGROUP_FREEZER; however, CONFIG_FREEZER is defined in Kconfig.freezer which should be included by arch Kconfig file. tile doesn't include it (maybe it doesn't want freezer for some reason?). CONFIG_COGRUP_FREEZER is in init/Kconfig, so allyesconfig enables it but as CONFIG_FREEZER definition isn't visible, we end up with broken config CONFIG_CGROUP_FREEZER && !CONFIG_FREEZER. Maybe we need to move CONFIG_CGROUP_FREEZER to Kconfig.freezer if tile actually doesn't want freezer? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
