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8a138aed4a
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Martin KaFai Lau 8a138aed4a bpf: btf: Add BTF support to libbpf 
If the ".BTF" elf section exists, libbpf will try to create
a btf_fd (through BPF_BTF_LOAD).  If that fails, it will still
continue loading the bpf prog/map without the BTF.

If the bpf_object has a BTF loaded, it will create a map with the btf_fd.
libbpf will try to figure out the btf_key_id and btf_value_id of a map by
finding the BTF type with name "<map_name>_key" and "<map_name>_value".
If they cannot be found, it will continue without using the BTF.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-04-19 21:46:25 +02:00
..
accounting License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
arch arch: remove obsolete architecture ports 2018-04-02 20:20:12 -07:00
bpf tools: bpftool: make it easier to feed hex bytes to bpftool 2018-04-18 14:49:27 +02:00
build perf build: Force llvm/clang test compile output to .make.output 2018-03-08 11:30:50 -03:00
cgroup tools: fix cross-compile var clobbering 2018-02-21 15:35:42 -08:00
firewire License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gpio Linux 4.16-rc5 2018-03-18 17:48:59 +01:00
hv tools: hv: include string.h in hv_fcopy_daemon 2018-03-06 09:57:16 -08:00
iio tools: fix cross-compile var clobbering 2018-02-21 15:35:42 -08:00
include bpf: btf: Sync bpf.h and btf.h to tools/ 2018-04-19 21:46:25 +02:00
kvm/kvm_stat tools/kvm_stat: Remove unused function 2018-03-28 22:47:06 +02:00
laptop tools: fix cross-compile var clobbering 2018-02-21 15:35:42 -08:00
leds tools: fix cross-compile var clobbering 2018-02-21 15:35:42 -08:00
lib bpf: btf: Add BTF support to libbpf 2018-04-19 21:46:25 +02:00
memory-model tools/memory-model: Finish the removal of rb-dep, smp_read_barrier_depends(), and lockless_dereference() 2018-03-10 10:22:23 +01:00
nfsd License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
objtool objtool: Add Clang support 2018-03-27 08:21:29 +02:00
pci License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pcmcia License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
perf arch: remove obsolete architecture ports 2018-04-02 20:20:12 -07:00
power Power management updates for 4.17-rc1 2018-04-03 10:45:39 -07:00
scripts arch: remove tile port 2018-03-16 10:56:03 +01:00
spi tools: fix cross-compile var clobbering 2018-02-21 15:35:42 -08:00
testing bpf: add bpf_xdp_adjust_tail sample prog 2018-04-18 23:34:17 +02:00
thermal/tmon tools/thermal: tmon: fix for segfault 2018-03-27 09:51:23 +02:00
time
usb usbip: tools: usbipd: exclude exported devices from exportable device list 2018-03-22 13:08:20 +01:00
virtio ptr_ring: fix build 2018-03-20 03:17:37 +02:00
vm tools: fix cross-compile var clobbering 2018-02-21 15:35:42 -08:00
wmi tools: fix cross-compile var clobbering 2018-02-21 15:35:42 -08:00
Makefile platform-drivers-x86 for v4.15-1 2017-11-18 10:26:57 -08:00