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| author |   Chen Zhou <chenzhou10@huawei.com> | 2021-01-15 17:37:17 +0800 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2021-01-15 15:10:37 -0500 |
| commit | 61e960b07b637f0295308ad91268501d744c21b5 (patch) | |
| tree | ba0ce8f5632a3e98a3048d993460cf1440eeab24 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | Merge tag 'acpi-5.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm (diff) | |
| download | wireguard-linux-61e960b07b637f0295308ad91268501d744c21b5.tar.xz wireguard-linux-61e960b07b637f0295308ad91268501d744c21b5.zip | |
cgroup-v1: add disabled controller check in cgroup1_parse_param()
When mounting a cgroup hierarchy with disabled controller in cgroup v1,
all available controllers will be attached.
For example, boot with cgroup_no_v1=cpu or cgroup_disable=cpu, and then
mount with "mount -t cgroup -ocpu cpu /sys/fs/cgroup/cpu", then all
enabled controllers will be attached except cpu.
Fix this by adding disabled controller check in cgroup1_parse_param().
If the specified controller is disabled, just return error with information
"Disabled controller xx" rather than attaching all the other enabled
controllers.
Fixes: f5dfb5315d34 ("cgroup: take options parsing into ->parse_monolithic()")
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Reviewed-by: Zefan Li <lizefan.x@bytedance.com>
Reviewed-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions