From bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 20 Sep 2026 08:15:23 -0700 Subject: Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork() --- drivers/base/container.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 drivers/base/container.c (limited to 'drivers/base/container.c') diff --git a/drivers/base/container.c b/drivers/base/container.c new file mode 100644 index 000000000..f40588ebc --- /dev/null +++ b/drivers/base/container.c @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * System bus type for containers. + * + * Copyright (C) 2013, Intel Corporation + * Author: Rafael J. Wysocki + */ + +#include + +#include "base.h" + +#define CONTAINER_BUS_NAME "container" + +static int trivial_online(struct device *dev) +{ + return 0; +} + +static int container_offline(struct device *dev) +{ + struct container_dev *cdev = to_container_dev(dev); + + return cdev->offline ? cdev->offline(cdev) : 0; +} + +const struct bus_type container_subsys = { + .name = CONTAINER_BUS_NAME, + .dev_name = CONTAINER_BUS_NAME, + .online = trivial_online, + .offline = container_offline, +}; + +void __init container_dev_init(void) +{ + int ret; + + ret = subsys_system_register(&container_subsys, NULL); + if (ret) + pr_err("%s() failed: %d\n", __func__, ret); +} -- cgit v1.3.1