systemd/bugfix-for-cgroup-Swap-cgroup-v1-deletion-and-migration.patch

From c003873099e47dccf2e57816291bd6b7de4a5790 Mon Sep 17 00:00:00 2001
From: jiangchuangang <jiangchuangang@huawei.com>
Date: Wed, 13 Jul 2022 21:39:06 +0800
Subject: [PATCH] bugfix for cpuset and Delegate
 
---
 src/core/cgroup.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
 
diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index 0e4c94d..e887d49 100644
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -1963,6 +1963,8 @@ static int unit_update_cgroup(
                 u->cgroup_enabled_mask = result_mask;
 
                 migrate_mask = u->cgroup_realized_mask ^ target_mask;
+                if (u->type != UNIT_SLICE && FLAGS_SET(target_mask, CGROUP_MASK_CPUSET) && cg_all_unified() == 0)
+                        migrate_mask |= CGROUP_MASK_CPUSET;
         }
 
         /* Keep track that this is now realized */
@@ -1977,9 +1979,11 @@ static int unit_update_cgroup(
          * delegated units.
          */
         if (cg_all_unified() == 0) {
-                r = cg_migrate_v1_controllers(u->manager->cgroup_supported, migrate_mask, u->cgroup_path, migrate_callback, u);
-                if (r < 0)
-                        log_unit_warning_errno(u, r, "Failed to migrate controller cgroups from %s, ignoring: %m", empty_to_root(u->cgroup_path));
+                if (!unit_cgroup_delegate(u)) {
+                        r = cg_migrate_v1_controllers(u->manager->cgroup_supported, migrate_mask, u->cgroup_path, migrate_callback, u);
+                        if (r < 0)
+                                log_unit_warning_errno(u, r, "Failed to migrate controller cgroups from %s, ignoring: %m", empty_to_root(u->cgroup_path));
+                }
 
                 is_root_slice = unit_has_name(u, SPECIAL_ROOT_SLICE);
                 r = cg_trim_v1_controllers(u->manager->cgroup_supported, ~target_mask, u->cgroup_path, !is_root_slice);
-- 
2.33.0