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Date: Tue, 30 Jun 2020 11:09:07 -0700 From: Yonghong Song <yhs@...com> To: Andrii Nakryiko <andriin@...com>, <bpf@...r.kernel.org>, <netdev@...r.kernel.org>, <ast@...com>, <daniel@...earbox.net> CC: <andrii.nakryiko@...il.com>, <kernel-team@...com> Subject: Re: [PATCH v3 bpf-next 0/2] Make bpf_endian.h compatible with vmlinux.h On 6/30/20 8:21 AM, Andrii Nakryiko wrote: > Change libbpf's bpf_endian.h header to be compatible when used with system > headers and when using just vmlinux.h. This is a frequent request for users > writing BPF CO-RE applications. Do this by re-implementing byte swap > compile-time macros. Also add simple tests validating correct results both for > byte-swapping built-ins and macros. > > v2->v3: > - explicit zero-initialization of global variables (Daniel); > > v1->v2: > - reimplement byte swapping macros (Alexei). > > Andrii Nakryiko (2): > libbpf: make bpf_endian co-exist with vmlinux.h > selftests/bpf: add byte swapping selftest > > tools/lib/bpf/bpf_endian.h | 43 ++++++++++++--- > .../testing/selftests/bpf/prog_tests/endian.c | 53 +++++++++++++++++++ > .../testing/selftests/bpf/progs/test_endian.c | 37 +++++++++++++ > 3 files changed, 125 insertions(+), 8 deletions(-) > create mode 100644 tools/testing/selftests/bpf/prog_tests/endian.c > create mode 100644 tools/testing/selftests/bpf/progs/test_endian.c Ack for the series: Acked-by: Yonghong Song <yhs@...com>
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