mainlining shenanigans
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Li Zhijian 7a3bdca20b selftests/bpf: Add default bpftool built by selftests to PATH
For 'make run_tests':
selftests will build bpftool into tools/testing/selftests/bpf/tools/sbin/bpftool
by default.

==================
root@lkp-skl-d01 /opt/rootfs/v5.14-rc4# make -C tools/testing/selftests/bpf run_tests
make: Entering directory '/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf'
  MKDIR    include
  MKDIR    libbpf
  MKDIR    bpftool
[...]
  GEN     /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/profiler.skel.h
  CC      /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/prog.o
  GEN     /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/pid_iter.skel.h
  CC      /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/pids.o
  LINK    /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/bpftool
  INSTALL bpftool
  GEN      vmlinux.h
[...]
 # test_feature_dev_json (test_bpftool.TestBpftool) ... ERROR
 # test_feature_kernel (test_bpftool.TestBpftool) ... ERROR
 # test_feature_kernel_full (test_bpftool.TestBpftool) ... ERROR
 # test_feature_kernel_full_vs_not_full (test_bpftool.TestBpftool) ... ERROR
 # test_feature_macros (test_bpftool.TestBpftool) ... Error: bug: failed to retrieve CAP_BPF status: Invalid argument
 # ERROR
 #
 # ======================================================================
 # ERROR: test_feature_dev_json (test_bpftool.TestBpftool)
 # ----------------------------------------------------------------------
 # Traceback (most recent call last):
 #   File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 57, in wrapper
 #     return f(*args, iface, **kwargs)
 #   File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 82, in test_feature_dev_json
 #     res = bpftool_json(["feature", "probe", "dev", iface])
 #   File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 42, in bpftool_json
 #     res = _bpftool(args)
 #   File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 34, in _bpftool
 #     return subprocess.check_output(_args)
 #   File "/usr/lib/python3.7/subprocess.py", line 395, in check_output
 #     **kwargs).stdout
 #   File "/usr/lib/python3.7/subprocess.py", line 487, in run
 #     output=stdout, stderr=stderr)
 # subprocess.CalledProcessError: Command '['bpftool', '-j', 'feature', 'probe', 'dev', 'dummy0']' returned non-zero exit status 255.
 #
==================

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210820015556.23276-4-lizhijian@cn.fujitsu.com
2021-08-24 14:01:10 -07:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-08-13 06:41:22 -07:00
block Merge branch 'for-5.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2021-08-09 16:47:36 -07:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-07-09 11:00:44 -07:00
Documentation libbpf: Rename libbpf documentation index file 2021-08-18 08:45:25 -07:00
drivers bpf: Allow to specify user-provided bpf_cookie for BPF perf links 2021-08-17 00:45:07 +02:00
fs A patch to avoid a soft lockup in ceph_check_delayed_caps() from Luis 2021-08-12 16:16:01 -10:00
include bpf: Migrate cgroup_bpf to internal cgroup_bpf_attach_type enum 2021-08-23 17:50:24 -07:00
init xsurf100: drop include of lib8390.c 2021-08-03 13:05:26 +01:00
ipc Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
kernel bpf: Migrate cgroup_bpf to internal cgroup_bpf_attach_type enum 2021-08-23 17:50:24 -07:00
lib bpf: Refactor BPF_PROG_RUN into a function 2021-08-17 00:45:07 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-31 09:14:46 -07:00
net bpf: Migrate cgroup_bpf to internal cgroup_bpf_attach_type enum 2021-08-23 17:50:24 -07:00
samples samples/bpf: Define MAX_ENTRIES instead of a magic number in offwaketime 2021-08-15 00:08:40 -07:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-08-13 06:41:22 -07:00
security Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-08-13 06:41:22 -07:00
sound sound fixes for 5.14-rc6 2021-08-12 07:06:40 -10:00
tools selftests/bpf: Add default bpftool built by selftests to PATH 2021-08-24 14:01:10 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Do not leak memory for duplicate debugfs directories 2021-08-04 06:02:03 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap m68k updates for v5.14 2021-06-28 14:01:03 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-08-13 06:41:22 -07:00
Makefile Linux 5.14-rc5 2021-08-08 13:49:31 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.