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selftests/bpf: revamp test_progs to allow more control
2019-07-28 Andrii Nakryikoselftests/bpf: revamp test_progs to allow more control
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-28 Andrii Nakryikoselftests/bpf: prevent headers to be compiled as C code
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-23 Andrii Nakryikoselftests/bpf: remove perf buffer helpers
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-23 Andrii Nakryikosamples/bpf: switch trace_output sample to perf_buffer API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-23 Andrii Nakryikosamples/bpf: convert xdp_sample_pkts_user to perf_buffer API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-23 Andrii Nakryikoselftests/bpf: switch test_tcpnotify to perf_buffer API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-23 Andrii Nakryikoselftests/bpf: convert test_get_stack_raw_tp to perf_buffer API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-23 Andrii Nakryikolibbpf: provide more helpful message on uninitialized global var
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-17 Andrii Nakryikoselftests/bpf: structure test_{progs, maps, verifier...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-17 Andrii Nakryikoselftests/bpf: fix test_verifier/test_maps make dependencies
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-16 Andrii Nakryikolibbpf: fix another GCC8 warning for strncpy
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-15 Andrii Nakryikoselftests/bpf: remove logic duplication in test_verifier
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-15 Andrii Nakryikoselftests/bpf: use typedef'ed arrays as map values
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-15 Andrii Nakryikoselftests/bpf: add trickier size resolution tests
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-15 Andrii Nakryikobpf: fix BTF verifier size resolution logic
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-12 Andrii Nakryikolibbpf: fix ptr to u64 conversion warning on 32-bit platforms
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-12 Andrii Nakryikobpf: fix precision bit propagation for BPF_ST instructions
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-08 Andrii Nakryikoselftests/bpf: fix test_attach_probe map definition
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-08 Andrii Nakryikolibbpf: add perf_buffer_ prefix to README
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-08 Andrii Nakryikotools/bpftool: switch map event_pipe to libbpf's perf_buffer
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-08 Andrii Nakryikoselftests/bpf: test perf buffer API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-08 Andrii Nakryikolibbpf: auto-set PERF_EVENT_ARRAY size to number of CPUs
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-08 Andrii Nakryikolibbpf: add perf buffer API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikoselftests/bpf: convert legacy BPF maps to BTF-defined ones
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikoselftests/bpf: convert selftests using BTF-defined...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikoselftests/bpf: add __uint and __type macro for BTF-defined maps
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikolibbpf: capture value in BTF type info for BTF-defined map defs
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikoselftests/bpf: convert existing tracepoint tests to new APIs
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikoselftests/bpf: add kprobe/uprobe selftests
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikoselftests/bpf: switch test to new attach_perf_event API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikolibbpf: add raw tracepoint attach API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikolibbpf: add tracepoint attach API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikolibbpf: add kprobe/uprobe attach API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikolibbpf: add ability to attach/detach BPF program to perf event
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikolibbpf: introduce concept of bpf_link
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-05 Andrii Nakryikolibbpf: make libbpf_strerror_r agnostic to sign of error
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-07-03 Andrii Nakryikolibbpf: fix GCC8 warning for strncpy
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-26 Andrii Nakryikoselftests/bpf: build tests with debug info
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-19 Andrii Nakryikolibbpf: constify getter APIs
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikoselftests/bpf: convert tests w/ custom values to BTF...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikoselftests/bpf: switch BPF_ANNOTATE_KV_PAIR tests to...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikoselftests/bpf: add test for BTF-defined maps
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikolibbpf: allow specifying map definitions using BTF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikolibbpf: split initialization and loading of BTF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikolibbpf: identify maps by section index in addition to offset
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikolibbpf: refactor map initialization
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikolibbpf: streamline ELF parsing error-handling
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikolibbpf: extract BTF loading logic
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-17 Andrii Nakryikolibbpf: add common min/max macro to libbpf_internal.h
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-14 Andrii Nakryikolibbpf: fix check for presence of associated BTF for...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-06-11 Andrii Nakryikoselftests/bpf: fix constness of source arg for bpf helpers
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: reduce unnecessary line wrapping
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: typo and formatting fixes
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: simplify two pieces of logic
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: use negative fd to specify missing BTF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: fix error code returned on corrupted ELF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: check map name retrieved from ELF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: simplify endianness check
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: preserve errno before calling into user callback
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-29 Andrii Nakryikolibbpf: fix detection of corrupted BPF instructions section
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-28 Andrii Nakryikobpftool: auto-complete BTF IDs for btf dump
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikobpftool: update bash-completion w/ new c option for btf dump
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikobpftool/docs: add description of btf dump C option
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikobpftool: add C output format option to btf dump subcommand
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikoselftests/bpf: add btf_dump BTF-to-C conversion tests
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikolibbpf: add btf_dump API for BTF-to-C conversion
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikolibbpf: switch btf_dedup() to hashmap for dedup table
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikoselftests/bpf: add tests for libbpf's hashmap
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikolibbpf: add resizable non-thread safe internal hashmap
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikoselftests/bpf: use btf__parse_elf to check presence...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikobpftool: use libbpf's btf__parse_elf API
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikolibbpf: add btf__parse_elf API to load .BTF and .BTF.ext
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-24 Andrii Nakryikolibbpf: ensure libbpf.h is included along libbpf_internal.h
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-23 Andrii Nakryikolibbpf: emit diff of mismatched public API, if any
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-17 Andrii Nakryikobpftool: fix BTF raw dump of FWD's fwd_kind
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-16 Andrii Nakryikolibbpf: move logging helpers into libbpf_internal.h
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-12 Andrii Nakryikolibbpf: detect supported kernel BTF features and sanitize BTF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-05-06 Andrii Nakryikokbuild: tolerate missing pahole when generating BTF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-26 Andrii Nakryikobpftool: fix indendation in bash-completion/bpftool
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-26 Andrii Nakryikobpftool: add bash completions for btf command
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-26 Andrii Nakryikobpftool/docs: add btf sub-command documentation
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-26 Andrii Nakryikobpftool: add ability to dump BTF types
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-17 Andrii Nakryikolibbpf: fix printf formatter for ptrdiff_t argument
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-16 Andrii Nakryikoselftests/btf: add VAR and DATASEC case for dedup tests
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-16 Andrii Nakryikobtf: add support for VAR and DATASEC in btf_dedup()
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-16 Andrii Nakryikokbuild: handle old pahole more gracefully when generating BTF
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-04-02 Andrii Nakryikokbuild: add ability to generate BTF type info for vmlinux
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-27 Andrii Nakryikoselftests/bpf: add btf_dedup test for VOID equivalence check
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-27 Andrii Nakryikolibbpf: fix btf_dedup equivalence check handling of...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-14 Andrii Nakryikoselftests/bpf: add fwd enum resolution test for btf_dedup
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-14 Andrii Nakryikobtf: resolve enum fwds in btf_dedup
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-11 Andrii Nakryikolibbpf: handle BTF parsing and loading properly
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikodocs/bpf: minor casing/punctuation fixes
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikodocs/btf: reflow text to fill up to 78 characters
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikodocs/btf: fix typos, improve wording
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikoselftests/bpf: add btf_dedup test of FWD/STRUCT resolution
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikobtf: fix bug with resolving STRUCT/UNION into corresponding FWD
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikobtf: allow to customize dedup hash table size
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikolibbpf: fix formatting for btf_ext__get_raw_data
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2019-03-01 Andrii Nakryikoselftests/bpf: fix btf_dedup testing code
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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