From a50596874a4971167f97a05181363e91292a2885 Mon Sep 17 00:00:00 2001 From: Rahat Mahmood Date: Wed, 11 Aug 2021 17:18:53 -0700 Subject: Initial cgroupfs support for subcontainers Allow creation and management of subcontainers through cgroupfs directory syscalls. Also add a mechanism to specify a default root container to start new jobs in. This implements the filesystem support for subcontainers, but doesn't implement hierarchical resource accounting or task migration. PiperOrigin-RevId: 390254870 --- pkg/sentry/kernel/cgroup.go | 1 + 1 file changed, 1 insertion(+) (limited to 'pkg/sentry/kernel') diff --git a/pkg/sentry/kernel/cgroup.go b/pkg/sentry/kernel/cgroup.go index c93ef6ac1..a0e291f58 100644 --- a/pkg/sentry/kernel/cgroup.go +++ b/pkg/sentry/kernel/cgroup.go @@ -196,6 +196,7 @@ func (r *CgroupRegistry) FindHierarchy(ctypes []CgroupControllerType) *vfs.Files // uniqueness of controllers enforced by Register, drop the // dying hierarchy now. The eventual unregister by the FS // teardown will become a no-op. + r.unregisterLocked(h.id) return nil } return h.fs -- cgit v1.2.3