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Andrii Nakryiko aea28a602f libbpf: Mark BPF subprogs with hidden visibility as static for BPF verifier
Define __hidden helper macro in bpf_helpers.h, which is a short-hand for
__attribute__((visibility("hidden"))). Add libbpf support to mark BPF
subprograms marked with __hidden as static in BTF information to enforce BPF
verifier's static function validation algorithm, which takes more information
(caller's context) into account during a subprogram validation.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210423181348.1801389-5-andrii@kernel.org
2021-04-23 14:05:26 -07:00
arch
block
certs
crypto
Documentation bpf, doc: Fix some invalid links in bpf_devel_QA.rst 2021-04-22 23:27:11 +02:00
drivers
fs
include bpf: Add a bpf_snprintf helper 2021-04-19 15:27:36 -07:00
init
ipc
kernel bpf: Remove unnecessary map checks for ARG_PTR_TO_CONST_STR 2021-04-23 09:58:21 -07:00
lib
LICENSES
mm
net xsk: Align XDP socket batch size with DPDK 2021-04-23 09:50:35 +02:00
samples samples/bpf: Fix broken tracex1 due to kprobe argument change 2021-04-19 18:19:49 -07:00
scripts
security
sound
tools libbpf: Mark BPF subprogs with hidden visibility as static for BPF verifier 2021-04-23 14:05:26 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.