On Tue, Oct 03, 2023 at 10:44:20AM -0400, Waiman Long wrote: > When a local partition becomes invalid, it won't transition back to > valid partition automatically if a proper "cpuset.cpus.exclusive" or > "cpuset.cpus" change is made. Instead, system administrators have to > explicitly echo "root" or "isolated" into the "cpuset.cpus.partition" > file at the partition root. > > This patch now enables the automatic transition of an invalid local > partition back to valid when there is a proper "cpuset.cpus.exclusive" > or "cpuset.cpus" change. > > Automatic transition of an invalid remote partition to a valid one, > however, is not covered by this patch. They still need an explicit > write to "cpuset.cpus.partition" to become valid again. > > The test_cpuset_prs.sh test script is updated to add new test cases to > test this automatic state transition. > > Reported-by: Pierre Gondois <pierre.gondois@xxxxxxx> > Link: https://lore.kernel.org/lkml/9777f0d2-2fdf-41cb-bd01-19c52939ef42@xxxxxxx > Signed-off-by: Waiman Long <longman@xxxxxxxxxx> Applied to cgroup/for-6.7. Thanks. -- tejun
