Sync of SLE package to Leap poo#61581

- Remove empty bpf-Use-recursion-prevention-helpers-in-hashtab-code.patch
The patch is empty because all the relevant code doesn't exist. Therefore,
we just can just drop the patch.
- commit b1281f3

- bpf/stackmap: Dont trylock mmap_sem with PREEMPT_RT and
interrupts disabled (bsc#1162702).
- bpf, lpm: Make locking RT friendly (bsc#1162702).
- bpf: Prepare hashtab locking for PREEMPT_RT (bsc#1162702).
- bpf: Factor out hashtab bucket lock operations (bsc#1162702).
- bpf: Replace open coded recursion prevention in sys_bpf()
(bsc#1162702).
- bpf: Use recursion prevention helpers in hashtab code
(bsc#1162702).
- bpf: Provide recursion prevention helpers (bsc#1162702).
- bpf: Use migrate_disable/enable in array macros and cgroup/lirc
code (bsc#1162702).
- bpf: Use migrate_disable/enabe() in trampoline code
(bsc#1162702).
- bpf/tests: Use migrate disable instead of preempt disable
(bsc#1162702).
- bpf: Use bpf_prog_run_pin_on_cpu() at simple call sites
(bsc#1162702).
- bpf: Replace cant_sleep() with cant_migrate() (bsc#1162702).
- bpf: Provide bpf_prog_run_pin_on_cpu() helper (bsc#1162702).
- bpf: Dont iterate over possible CPUs with interrupts disabled
(bsc#1162702).
- bpf: Remove recursion prevention from rcu free callback
(bsc#1162702).
- perf/bpf: Remove preempt disable around BPF invocation