[LTP] [PATCH v2] cpuset_regression_test: Fix test, if cpuset groups exist already

[Richard Palethorpe]

Hello Joerg,

Joerg Vehlow <lkml@jv-coder.de> writes:

> From: Joerg Vehlow <joerg.vehlow@aox-tech.de>
>
> Fix three errors:
>  1. read -d is not posix, but not even required,
>     because find and read work line-based
>  2. Setting cpuset.cpus to an empty string is not allowed.
>     -> If there are cpuset groups defined already, we need at least two cpus.
>     One is used for the test, the other one is used for existing groups.
>  3. Existing cgroup hierarchies were not handled correctly.
>     When setting the cpuset.cpus, it must be done first for parent groups,
>     otherwise cpu constraints for can be violated.
>
> Fixes: 6950e96eabb2 ("cpuset_regression_test: Allow running, if groups exist")
> Signed-off-by: Joerg Vehlow <joerg.vehlow@aox-tech.de>

Looks Good!

Reviewed-by: Richard Palethorpe <rpalethorpe@suse.com>

-- 
Thank you,
Richard.