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(parent: 6166244) | patch
bpf: btf: Add BPF_BTF_LOAD command
authorMartin KaFai Lau <kafai@fb.com>
Wed, 18 Apr 2018 22:56:01 +0000 (15:56 -0700)
committerDaniel Borkmann <daniel@iogearbox.net>
Thu, 19 Apr 2018 19:46:25 +0000 (21:46 +0200)
commita69d50ac37521f25899ae3514248d9ff9a762c08
treed6ccb94ff2fa8c17a385e4ca29ec6e4b446829a4tree | snapshot
parent61662444ba2c293ab8d7375779f70bbbff64efdfcommit | diff
bpf: btf: Add BPF_BTF_LOAD command

This patch adds a BPF_BTF_LOAD command which
1) loads and verifies the BTF (implemented in earlier patches)
2) returns a BTF fd to userspace.  In the next patch, the
   BTF fd can be specified during BPF_MAP_CREATE.

It currently limits to CAP_SYS_ADMIN.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
include/linux/btf.h diff | blob | history
include/uapi/linux/bpf.h diff | blob | history
kernel/bpf/btf.c diff | blob | history
kernel/bpf/syscall.c diff | blob | history
Linux Kernel Source Tree.