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229fae38d0
linux/tools/lib/bpf
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Shuyi Cheng 229fae38d0 libbpf: Add "bool skipped" to struct bpf_map 
Fix error: "failed to pin map: Bad file descriptor, path:
/sys/fs/bpf/_rodata_str1_1."

In the old kernel, the global data map will not be created, see [0]. So
we should skip the pinning of the global data map to avoid
bpf_object__pin_maps returning error. Therefore, when the map is not
created, we mark “map->skipped" as true and then check during relocation
and during pinning.

Fixes: 16e0c35c6f ("libbpf: Load global data maps lazily on legacy kernels")
Signed-off-by: Shuyi Cheng <chengshuyi@linux.alibaba.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
2021-12-10 15:35:30 -08:00
..
.gitignore libbpf: Make libbpf_version.h non-auto-generated 2021-09-13 15:36:47 -07:00
bpf_core_read.h libbpf: Fix endianness detection in BPF_CORE_READ_BITFIELD_PROBED() 2021-10-25 20:39:41 -07:00
bpf_endian.h libbpf: Make bpf_endian co-exist with vmlinux.h 2020-07-01 09:06:12 +02:00
bpf_gen_internal.h libbpf: Support init of inner maps in light skeleton. 2021-12-02 11:18:35 -08:00
bpf_helpers.h libbpf: Use static const fmt string in __bpf_printk 2021-09-17 14:02:05 -07:00
bpf_prog_linfo.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
bpf_tracing.h riscv, libbpf: Add RISC-V (RV64) support to bpf_tracing.h 2021-11-01 17:08:21 +01:00
bpf.c libbpf: Add OPTS-based bpf_btf_load() API 2021-12-10 15:29:17 -08:00
bpf.h libbpf: Allow passing user log setting through bpf_object_open_opts 2021-12-10 15:29:17 -08:00
btf_dump.c libbpf: Silence uninitialized warning/error in btf_dump_dump_type_data 2021-11-29 09:36:44 -08:00
btf.c libbpf: Fix typo in btf__dedup@LIBBPF_0.0.2 definition 2021-12-10 15:35:29 -08:00
btf.h libbpf: Fix potential misaligned memory access in btf_ext__new() 2021-11-26 00:14:06 +01:00
Build libbpf: Split CO-RE logic into relo_core.c. 2021-07-26 12:29:14 -07:00
gen_loader.c libbpf: Clean gen_loader's attach kind. 2021-12-02 11:18:35 -08:00
hashmap.c libbpf: Centralize poisoning and poison reallocarray() 2020-08-18 18:38:25 -07:00
hashmap.h libbpf, hashmap: Fix undefined behavior in hash_bits 2020-11-02 23:33:51 +01:00
libbpf_common.h libbpf: Deprecate bpf_prog_load_xattr() API 2021-12-02 15:23:41 -08:00
libbpf_errno.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
libbpf_internal.h libbpf: Allow passing preallocated log_buf when loading BTF into kernel 2021-12-10 15:29:17 -08:00
libbpf_legacy.h libbpf: Rename DECLARE_LIBBPF_OPTS into LIBBPF_OPTS 2021-11-07 08:34:22 -08:00
libbpf_probes.c libbpf: Add OPTS-based bpf_btf_load() API 2021-12-10 15:29:17 -08:00
libbpf_version.h libbpf: Add API to get/set log_level at per-program level 2021-12-02 15:23:40 -08:00
libbpf.c libbpf: Add "bool skipped" to struct bpf_map 2021-12-10 15:35:30 -08:00
libbpf.h libbpf: Deprecate bpf_object__load_xattr() 2021-12-10 15:29:18 -08:00
libbpf.map libbpf: Add per-program log buffer setter and getter 2021-12-10 15:29:18 -08:00
libbpf.pc.template libbpf: Add zlib as a dependency in pkg-config template 2019-12-16 14:55:29 -08:00
linker.c libbpf: Fix using invalidated memory in bpf_linker 2021-11-26 00:15:03 +01:00
Makefile libbpf: Compile using -std=gnu89 2021-11-09 13:27:52 -08:00
netlink.c libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
nlattr.c libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
nlattr.h libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
relo_core.c libbpf: Reduce bpf_core_apply_relo_insn() stack usage. 2021-12-03 13:21:59 -08:00
relo_core.h libbpf: Reduce bpf_core_apply_relo_insn() stack usage. 2021-12-03 13:21:59 -08:00
ringbuf.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
skel_internal.h bpf, mips: Fix build errors about __NR_bpf undeclared 2021-11-26 22:11:25 +01:00
str_error.c libbpf: Poison kernel-only integer types 2020-01-10 10:38:00 -08:00
str_error.h libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
strset.c libbpf: Fix memory leak in strset 2021-10-01 22:54:38 +02:00
strset.h libbpf: Extract internal set-of-strings datastructure APIs 2021-03-18 16:14:22 -07:00
xsk.c libbpf: Prevent deprecation warnings in xsk.c 2021-11-25 23:35:46 +01:00
xsk.h libbpf: Deprecate AF_XDP support 2021-11-01 18:12:44 -07:00