The commit is pushed to "branch-rh10-6.12.0-55.13.1.3.x.vz10-ovz" and will
appear at [email protected]:openvz/vzkernel.git
after rh10-6.12.0-55.13.1.2.24.vz10
------>
commit 1565d4b060b4d84793bce265ebf053fb79e809ad
Author: Pavel Tikhomirov <[email protected]>
Date: Wed Dec 10 18:34:29 2025 +0800
ve/cgroup-v2: Allow nested ve cgroup directories
In cgroup-v2 we have no other way except allowing to enable ve
controller on intermidiate cgroups (e.g. machine.slice).
That means we have at least 3 levels.
https://virtuozzo.atlassian.net/browse/VSTOR-104639
Signed-off-by: Pavel Tikhomirov <[email protected]>
Feature: ve: ve generic structures
---
kernel/ve/ve.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/ve/ve.c b/kernel/ve/ve.c
index 321c35f4d2bfc..df0b96e7f64a5 100644
--- a/kernel/ve/ve.c
+++ b/kernel/ve/ve.c
@@ -945,8 +945,9 @@ static struct cgroup_subsys_state *ve_create(struct
cgroup_subsys_state *parent_
if (!parent_css)
goto do_init;
- /* forbid nested containers */
- if (css_to_ve(parent_css) != &ve0)
+ /* Forbid nested containers in cgroup v1 hierarchy */
+ if (!cgroup_subsys_on_dfl(ve_cgrp_subsys) &&
+ css_to_ve(parent_css) != &ve0)
return ERR_PTR(-ENOTDIR);
err = -ENOMEM;
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