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Filename Latest commit message Latest commit date
Yonghong Song 96408c4344 tools/bpf: implement libbpf btf__get_map_kv_tids() API function
Currently, to get map key/value type id's, the macro
  BPF_ANNOTATE_KV_PAIR(<map_name>, <key_type>, <value_type>)
needs to be defined in the bpf program for the
corresponding map.

During program/map loading time,
the local static function bpf_map_find_btf_info()
in libbpf.c is implemented to retrieve the key/value
type ids given the map name.

The patch refactored function bpf_map_find_btf_info()
to create an API btf__get_map_kv_tids() which includes
the bulk of implementation for the original function.
The API btf__get_map_kv_tids() can be used by bcc,
a JIT based bpf compilation system, which uses the
same BPF_ANNOTATE_KV_PAIR to record map key/value types.

Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-02-04 12:48:36 -08:00
arch s390: bpf: fix JMP32 code-gen 2019-02-04 09:45:09 -08:00
block Revert "block: cover another queue enter recursion via BIO_QUEUE_ENTERED" 2019-01-27 06:35:28 -07:00
certs
crypto
Documentation socket: Update timestamping Documentation 2019-02-03 11:17:31 -08:00
drivers net: phy: aquantia: replace magic numbers with constants 2019-02-03 14:31:04 -08:00
firmware
fs socket: Rename SO_RCVTIMEO/ SO_SNDTIMEO with _OLD suffixes 2019-02-03 11:17:31 -08:00
include netdevice.h: Add __cold to netdev_<level> logging functions 2019-02-03 20:27:39 -08:00
init
ipc
kernel bpf: introduce BPF_F_LOCK flag 2019-02-01 20:55:39 +01:00
lib XArray updates for 5.0-rc3 2019-01-22 17:08:30 +13:00
LICENSES
mm Revert "mm, memory_hotplug: initialize struct pages for the full memory section" 2019-01-28 10:35:22 -08:00
net net: Fix fall through warning in y2038 tstamp changes. 2019-02-03 20:25:31 -08:00
samples samples/bpf: Check the prog id before exiting 2019-02-01 23:37:51 +01:00
scripts Bug fixes for gcc-plugins 2019-01-21 13:07:03 +13:00
security Merge branch 'fixes-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-01-17 16:54:58 +12:00
sound sound fixes for 5.0-rc4 2019-01-25 05:55:26 +13:00
tools tools/bpf: implement libbpf btf__get_map_kv_tids() API function 2019-02-04 12:48:36 -08:00
usr
virt
.clang-format clang-format: Update .clang-format with the latest for_each macro list 2019-01-19 19:26:06 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-01-29 21:18:54 -08:00
Makefile Linux 5.0-rc4 2019-01-27 15:18:05 -08:00
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.