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-rw-r--r--net/core/netprio_cgroup.c12
-rw-r--r--net/sched/cls_cgroup.c9
2 files changed, 20 insertions, 1 deletions
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 6bc460c38e4f..39e7e4d3cdb4 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -328,7 +328,17 @@ struct cgroup_subsys net_prio_subsys = {
.attach = net_prio_attach,
.subsys_id = net_prio_subsys_id,
.base_cftypes = ss_files,
- .module = THIS_MODULE
+ .module = THIS_MODULE,
+
+ /*
+ * net_prio has artificial limit on the number of cgroups and
+ * disallows nesting making it impossible to co-mount it with other
+ * hierarchical subsystems. Remove the artificially low PRIOIDX_SZ
+ * limit and properly nest configuration such that children follow
+ * their parents' configurations by default and are allowed to
+ * override and remove the following.
+ */
+ .broken_hierarchy = true,
};
static int netprio_device_event(struct notifier_block *unused,
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 67cf90d962f4..4a23ccca6b70 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -80,6 +80,15 @@ struct cgroup_subsys net_cls_subsys = {
.subsys_id = net_cls_subsys_id,
.base_cftypes = ss_files,
.module = THIS_MODULE,
+
+ /*
+ * While net_cls cgroup has the rudimentary hierarchy support of
+ * inheriting the parent's classid on cgroup creation, it doesn't
+ * properly propagates config changes in ancestors to their
+ * descendents. A child should follow the parent's configuration
+ * but be allowed to override it. Fix it and remove the following.
+ */
+ .broken_hierarchy = true,
};
struct cls_cgroup_head {