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add0c59d80
cafe563591 ("bcache: A block layer cache") added a new cgroup
subsystem bcache_subsys without proper review and ack. bcache_subsys
seems to use cgroup for group stats and per-group cache_mode
configuration. This is very much the type of usage that we don't want
to allow.
Fortunately, CONFIG_CGROUP_BCACHE which enables bcache_subsys is
currently commented out, so this shouldn't have any upstream users.
Let's nip in the bud. While at it, clarify in cgroup_subsys.h that no
new subsystem should be added without explicit acks from cgroup
maintainers.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: cgroups@vger.kernel.org
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-bcache@vger.kernel.org
56 lines
995 B
C
56 lines
995 B
C
/*
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* List of cgroup subsystems.
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*
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* DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
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*/
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#if IS_SUBSYS_ENABLED(CONFIG_CPUSETS)
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SUBSYS(cpuset)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_DEBUG)
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SUBSYS(debug)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_SCHED)
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SUBSYS(cpu_cgroup)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_CPUACCT)
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SUBSYS(cpuacct)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_MEMCG)
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SUBSYS(mem_cgroup)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_DEVICE)
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SUBSYS(devices)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_FREEZER)
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SUBSYS(freezer)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_NET_CLS_CGROUP)
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SUBSYS(net_cls)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_BLK_CGROUP)
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SUBSYS(blkio)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_PERF)
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SUBSYS(perf)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_NETPRIO_CGROUP)
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SUBSYS(net_prio)
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#endif
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#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_HUGETLB)
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SUBSYS(hugetlb)
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#endif
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/*
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* DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
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*/
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