selftests/bpf: Fix endianness issues in atomic tests

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Atomic tests store a DW, but then load it back as a W from the same
address. This doesn't work on big-endian systems, and since the point
of those tests is not testing narrow loads, fix simply by loading a
DW.

Fixes: 98d666d05a ("bpf: Add tests for new BPF atomic operations")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210210020713.77911-1-iii@linux.ibm.com

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Ilya Leoshkevich 2021-02-10 03:07:13 +01:00 • committed by Andrii Nakryiko

parent cf2d0a5e78

commit 45df305268

3 changed files with 3 additions and 3 deletions

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tools/testing/selftests/bpf/verifier/atomic_and.c

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tools/testing/selftests/bpf/verifier/atomic_or.c

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tools/testing/selftests/bpf/verifier/atomic_xor.c

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