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libbpf: Handle missing BPF_OBJ_GET_INFO_BY_FD gracefully in perf_buffer
2020-07-08 Andrii Nakryikolibbpf: Handle missing BPF_OBJ_GET_INFO_BY_FD gracefully...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-07-08 Andrii Nakryikoselftests/bpf: Add test relying only on CO-RE and no...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-07-08 Andrii Nakryikolibbpf: Improve BTF sanitization handling
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-07-08 Andrii Nakryikolibbpf: Add btf__set_fd() for more control over loaded...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-07-08 Andrii Nakryikolibbpf: Make BTF finalization strict
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-07-01 Andrii Nakryikotools/bpftool: Turn off -Wnested-externs warning
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-07-01 Andrii Nakryikoselftests/bpf: Add byte swapping selftest
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-07-01 Andrii Nakryikolibbpf: Make bpf_endian co-exist with vmlinux.h
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-30 Andrii Nakryikoselftests/bpf: Allow substituting custom vmlinux.h...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-30 Andrii Nakryikotools/bpftool: Allow substituting custom vmlinux.h...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-28 Andrii Nakryikoselftests/bpf: Test auto-load disabling logic for BPF...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-28 Andrii Nakryikolibbpf: Support disabling auto-loading BPF programs
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-24 Andrii Nakryikolibbpf: Prevent loading vmlinux BTF twice
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikoselftests/bpf: Add variable-length data concatenation...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikobpf: Switch most helper return values from 32-bit int...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikotools/bpftool: Add documentation and sample output...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikotools/bpftool: Show info for processes holding BPF...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikolibbpf: Wrap source argument of BPF_CORE_READ macro...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikotools/bpftool: Generalize BPF skeleton support and...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikotools/bpftool: Minimize bootstrap bpftool
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikotools/bpftool: Move map/prog parsing logic into common
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikoselftests/bpf: Add __ksym extern selftest
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikolibbpf: Add support for extracting kernel symbol addresses
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-23 Andrii Nakryikolibbpf: Generalize libbpf externs support
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-22 Andrii Nakryikolibbpf: Add a bunch of attribute getters/setters for...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-19 Andrii Nakryikotools/bpftool: Relicense bpftool's BPF profiler prog...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-17 Andrii Nakryikolibbpf: Bump version to 0.1.0
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-17 Andrii Nakryikobpf: bpf_probe_read_kernel_str() has to return amount...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-16 Andrii Nakryikotools/bpftool: Add ringbuf map to a list of known map...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-16 Andrii Nakryikobpf: Fix definition of bpf_ringbuf_output() helper...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-13 Andrii Nakryikobpf: Undo internal BPF_PROBE_MEM in BPF insns dump
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-12 Andrii Nakryikolibbpf: Support pre-initializing .bss global variables
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-12 Andrii Nakryikotools/bpftool: Fix skeleton codegen
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-10 Andrii Nakryikolibbpf: Handle GCC noreturn-turned-volatile quirk
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-08 Andrii Nakryikoselftests/bpf: Fix ringbuf selftest sample counting...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-02 Andrii Nakryikoselftests/bpf: Fix sample_cnt shared between two threads
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-01 Andrii Nakryikolibbpf: Add _GNU_SOURCE for reallocarray to ringbuf.c
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-01 Andrii Nakryikodocs/bpf: Add BPF ring buffer design notes
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-01 Andrii Nakryikobpf: Add BPF ringbuf and perf buffer benchmarks
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-01 Andrii Nakryikoselftests/bpf: Add BPF ringbuf selftests
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-01 Andrii Nakryikolibbpf: Add BPF ring buffer support
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-06-01 Andrii Nakryikobpf: Implement BPF ring buffer and verifier support...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-21 Andrii Nakryikobpf: Prevent mmap()'ing read-only maps as writable
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-19 Andrii Nakryikoselftests/bpf: Convert bpf_iter_test_kern{3, 4}.c to...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-19 Andrii Nakryikoselftest/bpf: Make bpf_iter selftest compilable against...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-15 Andrii Nakryikobpf: Fix bpf_iter's task iterator logic
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-14 Andrii Nakryikobpf: Fix bug in mmap() implementation for BPF array map
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-13 Andrii Nakryikoselftest/bpf: Add BPF triggering benchmark
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-13 Andrii Nakryikoselftest/bpf: Fmod_ret prog and implement test_overhead...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-13 Andrii Nakryikoselftests/bpf: Add benchmark runner infrastructure
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-13 Andrii Nakryikoselftests/bpf: Extract parse_num_list into generic...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-05-01 Andrii Nakryikobpf: Fix use-after-free of bpf_link when priming half...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-30 Andrii Nakryikolibbpf: Fix false uninitialized variable warning
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Add runqslower binary to .gitignore
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Fix bpf_link leak in ns_current_pid_tgid...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Disable ASAN instrumentation for mmap...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikolibbpf: Fix huge memory leak in libbpf_find_vmlinux_btf_id()
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Fix invalid memory reads in core_relo...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Fix memory leak in extract_build_id()
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Fix memory leak in test selector
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikolibbpf: Fix memory leak and possible double-free in...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Convert test_hashmap into test_progs...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Add SAN_CFLAGS param to selftests build...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Ensure test flavors use correct skeletons
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikolibbpf: Add BTF-defined map-in-map support
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikolibbpf: Refactor map creation logic and fix cleanup...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikolibbpf: Refactor BTF-defined map definition parsing...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpftool: Add link bash completions
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpftool: Add bpftool-link manpage
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpftool: Add bpf_link show and pin support
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpftool: Expose attach_type-to-string array to non...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikoselftests/bpf: Test bpf_link's get_next_id, get_fd_by_id...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikolibbpf: Add low-level APIs for new bpf_link commands
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpf: Add support for BPF_OBJ_GET_INFO_BY_FD for bpf_link
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpf: Support GET_FD_BY_ID and GET_NEXT_ID for bpf_link
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpf: Allocate ID for bpf_link
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-29 Andrii Nakryikobpf: Refactor bpf_link update handling
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-26 Andrii Nakryikobpf: Make verifier log more relevant by default
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-25 Andrii Nakryikotools/runqslower: Ensure own vmlinux.h is picked up...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-25 Andrii Nakryikobpf: Fix leak in LINK_UPDATE and enforce empty old_prog_fd
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-15 Andrii Nakryikolibbpf: Always specify expected_attach_type on program...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-14 Andrii Nakryikoselftests/bpf: Validate frozen map contents stays frozen
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-04-14 Andrii Nakryikobpf: Prevent re-mmap()'ing BPF map as writable for...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-31 Andrii Nakryikoselftests/bpf: Test FD-based cgroup attachment
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-31 Andrii Nakryikolibbpf: Add support for bpf_link-based cgroup attachment
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-31 Andrii Nakryikobpf: Implement bpf_prog replacement for an active bpf_cgroup...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-31 Andrii Nakryikobpf: Implement bpf_link-based cgroup BPF program attachment
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-26 Andrii Nakryikobpf: Factor out attach_type to prog_type mapping for...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-26 Andrii Nakryikobpf: Factor out cgroup storages operations
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-17 Andrii Nakryikoselftests/bpf: Reset process and thread affinity after...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-17 Andrii Nakryikoselftests/bpf: Fix test_progs's parsing of test numbers
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-17 Andrii Nakryikoselftests/bpf: Fix race in tcp_rtt test
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-17 Andrii Nakryikoselftests/bpf: Fix nanosleep for real this time
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-17 Andrii Nakryikoselftest/bpf: Fix compilation warning in sockmap_parse_prog.c
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-13 Andrii Nakryikoselftests/bpf: Add vmlinux.h selftest exercising tracing...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-13 Andrii Nakryikolibbpf: Provide CO-RE variants of PT_REGS macros
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-13 Andrii Nakryikolibbpf: Ignore incompatible types with matching name...
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-13 Andrii Nakryikoselftests/bpf: Ensure consistent test failure output
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-13 Andrii Nakryikoselftests/bpf: Fix usleep() implementation
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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2020-03-13 Andrii Nakryikobpf: Abstract away entire bpf_link clean up procedure
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
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