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| /linux-master/tools/testing/selftests/bpf/progs/ | ||
| H A D | test_ringbuf.c | diff 23a65766 Thu Apr 08 00:13:07 MDT 2021 Yauheni Kaliuta <yauheni.kaliuta@redhat.com> selftests/bpf: ringbuf: Use runtime page size Replace hardcoded 4096 with runtime value in the userspace part of the test and set bpf table sizes dynamically according to the value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210408061310.95877-6-yauheni.kaliuta@redhat.com diff 23a65766 Thu Apr 08 00:13:07 MDT 2021 Yauheni Kaliuta <yauheni.kaliuta@redhat.com> selftests/bpf: ringbuf: Use runtime page size Replace hardcoded 4096 with runtime value in the userspace part of the test and set bpf table sizes dynamically according to the value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210408061310.95877-6-yauheni.kaliuta@redhat.com |
| /linux-master/tools/testing/selftests/bpf/prog_tests/ | ||
| H A D | ringbuf.c | diff 23a65766 Thu Apr 08 00:13:07 MDT 2021 Yauheni Kaliuta <yauheni.kaliuta@redhat.com> selftests/bpf: ringbuf: Use runtime page size Replace hardcoded 4096 with runtime value in the userspace part of the test and set bpf table sizes dynamically according to the value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210408061310.95877-6-yauheni.kaliuta@redhat.com diff 23a65766 Thu Apr 08 00:13:07 MDT 2021 Yauheni Kaliuta <yauheni.kaliuta@redhat.com> selftests/bpf: ringbuf: Use runtime page size Replace hardcoded 4096 with runtime value in the userspace part of the test and set bpf table sizes dynamically according to the value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210408061310.95877-6-yauheni.kaliuta@redhat.com diff 9a5f25ad Mon Jun 01 23:03:49 MDT 2020 Andrii Nakryiko <andriin@fb.com> selftests/bpf: Fix sample_cnt shared between two threads Make sample_cnt volatile to fix possible selftests failure due to compiler optimization preventing latest sample_cnt value to be visible to main thread. sample_cnt is incremented in background thread, which is then joined into main thread. So in terms of visibility sample_cnt update is ok. But because it's not volatile, compiler might make optimizations that would prevent main thread to see latest updated value. Fix this by marking global variable volatile. Fixes: cb1c9ddd5525 ("selftests/bpf: Add BPF ringbuf selftests") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20200602050349.215037-1-andriin@fb.com |
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