bpf/s390: Implement get_preempt_count()

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exe_ctx test fails on s390, because get_preempt_count() is not
implemented and its fallback path always returns 0. Implement it
using the new bpf_get_lowcore() kfunc.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20260217160813.100855-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Ilya Leoshkevich 2026-02-17 17:05:09 +01:00 • committed by Alexei Starovoitov

parent 6fe54677bc

commit 0f87614c4d

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tools/testing/selftests/bpf/bpf_experimental.h

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