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Daniel T. Lee d4fffba4d0 samples/bpf: Change _kern suffix to .bpf with syscall tracing program 
Currently old compile rule (CLANG-bpf) doesn't contains VMLINUX_H define
flag which is essential for the bpf program that includes "vmlinux.h".
Also old compile rule doesn't directly specify the compile target as bpf,
instead it uses bunch of extra options with clang followed by long chain
of commands. (e.g. clang | opt | llvm-dis | llc)

In Makefile, there is already new compile rule which is more simple and
neat. And it also has -D__VMLINUX_H__ option. By just changing the _kern
suffix to .bpf will inherit the benefit of the new CLANG-BPF compile
target.

Also, this commit adds dummy gnu/stub.h to the samples/bpf directory.
As commit 1c2dd16add ("selftests/bpf: get rid of -D__x86_64__") noted,
compiling with 'clang -target bpf' will raise an error with stubs.h
unless workaround (-D__x86_64) is used. This commit solves this problem
by adding dummy stub.h to make /usr/include/features.h to follow the
expected path as the same way selftests/bpf dealt with.

Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221224071527.2292-4-danieltimlee@gmail.com
2022-12-29 14:22:34 -08:00
arch bpf, x86: Improve PROBE_MEM runtime load check 2022-12-22 00:53:33 +01:00
block for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto iov_iter work; most of that is about getting rid of 2022-12-12 18:29:54 -08:00
Documentation docs: BPF_MAP_TYPE_SOCK[MAP|HASH] 2022-12-20 15:54:05 -08:00
drivers Networking changes for 6.2. 2022-12-13 15:47:48 -08:00
fs EFI updates for v6.2: 2022-12-13 14:31:47 -08:00
include bpf: rename list_head -> graph_root in field info types 2022-12-28 20:14:22 -08:00
init modules changes for v6.2-rc1 2022-12-13 14:05:39 -08:00
io_uring for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel bpf: rename list_head -> graph_root in field info types 2022-12-28 20:14:22 -08:00
lib Networking changes for 6.2. 2022-12-13 15:47:48 -08:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
net bpf: Add flag BPF_F_NO_TUNNEL_KEY to bpf_skb_set_tunnel_key() 2022-12-19 23:53:15 +01:00
rust rust: types: add Opaque type 2022-12-04 01:59:16 +01:00
samples samples/bpf: Change _kern suffix to .bpf with syscall tracing program 2022-12-29 14:22:34 -08:00
scripts Networking changes for 6.2. 2022-12-13 15:47:48 -08:00
security integrity-v6.2 2022-12-13 14:22:50 -08:00
sound sound updates for 6.2-rc1 2022-12-13 11:27:26 -08:00
tools libbpf: fix errno is overwritten after being closed. 2022-12-28 14:03:51 -08:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt Merge branch 'kvm-dwmw2-fixes' into HEAD 2022-11-23 18:59:45 -05:00
.clang-format printk changes for 6.2 2022-12-12 09:01:36 -08:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: Cleanup DT Overlay intermediate files as appropriate 2022-11-18 14:45:30 -06:00
.mailmap Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Networking changes for 6.2. 2022-12-13 15:47:48 -08:00
Makefile This was a not-too-busy cycle for documentation; highlights include: 2022-12-12 17:18:50 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.