On Mon, Nov 20, 2023 at 09:18:40PM -0500, Waiman Long wrote: > Commit fe28f631fa94 ("workqueue: Add workqueue_unbound_exclude_cpumask() > to exclude CPUs from wq_unbound_cpumask") makes > workqueue_set_unbound_cpumask() static as it is not used elsewhere in > the kernel. However, this triggers a kernel test robot warning about > 'workqueue_set_unbound_cpumask' defined but not used when CONFIG_SYS > isn't defined. It happens that workqueue_set_unbound_cpumask() is only > called when CONFIG_SYS is defined. > > Move workqueue_set_unbound_cpumask() and its helpers inside the > CONFIG_SYSFS compilation block to avoid the warning. There is no > functional change. > > Fixes: fe28f631fa94 ("workqueue: Add workqueue_unbound_exclude_cpumask() to exclude CPUs from wq_unbound_cpumask") > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Closes: https://lore.kernel.org/oe-kbuild-all/202311130831.uh0AoCd1-lkp@xxxxxxxxx/ > Signed-off-by: Waiman Long <longman@xxxxxxxxxx> Applied to cgroup/for-6.8. Thanks. -- tejun