Re: [OS-BUILD PATCH] redhat/configs: Disable unsafe queuing disciplines

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From: Davide Caratti on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/3592#note_2294339437

> CONFIG_NET_SCH_DRR CONFIG_NET_SCH_QFQ and CONFIG_NET_SCH_PIE.... looks
relatively matured enough and could be useful in automotive.

I'm skeptical that DRR is going to be re-enabled at some point in the future -
given it provides 100% feature parity with ETS. More probably, at some point
that knob will be retired (like it happened for SCH_DSMARK (*))  _ and same
applies to TEQL and SKBPRIO at least.

Not providing opinions about CHOKE / SFQ / SFB / SFQ / PIE / FQ_PIE enablement
in the future, but these AQMs are in the same shape as RED / GRED / HFSC we
are disabling now. So, either we hardcode RHIVOS disablement for all them, or
we just incrementally disable the qdiscs that are now in c9s and don't want
for RHIVOS.

(*) in case of retirement, the presence of "dead" knob is safe:
```
davide@localhost:rhel-9$ cat
./redhat/configs/rhel/generic/CONFIG_NET_SCH_DSMARK
# CONFIG_NET_SCH_DSMARK is not set
davide@localhost:rhel-9$ cat
./redhat/configs/common/generic/CONFIG_NET_SCH_DSMARK
CONFIG_NET_SCH_DSMARK=m
davide@localhost:rhel-9$ grep -r NET_SCH_DSMARK net/sched/Kconfig
davide@localhost:rhel-9$
```

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