diff options
| author | Chen Zhou <[email protected]> | 2021-01-15 17:37:17 +0800 |
|---|---|---|
| committer | Tejun Heo <[email protected]> | 2021-01-15 15:10:37 -0500 |
| commit | 61e960b07b637f0295308ad91268501d744c21b5 (patch) | |
| tree | ba0ce8f5632a3e98a3048d993460cf1440eeab24 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | f4e087c666f54559cb4e530af1fbfc9967e14a15 (diff) | |
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 <[email protected]>
Reviewed-by: Zefan Li <[email protected]>
Reviewed-by: Michal Koutný <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions