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Filename Latest commit message Latest commit date
Jakub Kicinski 26736eb9a4 tools: libbpf: allow map reuse
More advanced applications may want to only replace programs without
destroying associated maps.  Allow libbpf users to achieve that.
Instead of always creating all of the maps at load time, expose to
users an API to reconstruct the map object from already existing
map.

The map parameters are read from the kernel and replace the parameters
of the ELF map.  libbpf does not restrict the map replacement, i.e.
the reused map does not have to be compatible with the ELF map
definition.  We relay on the verifier for checking the compatibility
between maps and programs.  The ELF map definition is completely
overwritten by the information read from the kernel, to make sure
libbpf's view of map object corresponds to the actual map.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-07-11 22:13:34 +02:00
arch net: Add a new socket option for a future transmit time. 2018-07-04 22:30:27 +09:00
block for-linus-20180629 2018-06-30 10:47:46 -07:00
certs certs/blacklist: fix const confusion 2018-06-26 09:43:03 -07:00
crypto Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
Documentation net: dsa: Add DT bindings for Vitesse VSC73xx switches 2018-07-04 11:30:01 +09:00
drivers nfp: bpf: migrate to advanced reciprocal divide in reciprocal_div.h 2018-07-07 01:45:31 +02:00
firmware
fs for-4.18-rc2-tag 2018-07-01 12:38:16 -07:00
include lib: reciprocal_div: implement the improved algorithm on the paper mentioned 2018-07-07 01:45:31 +02:00
init Kbuild fixes for v4.18 2018-06-30 13:05:30 -07:00
ipc rhashtable: split rhashtable.h 2018-06-22 13:43:27 +09:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-07-02 11:18:28 -07:00
lib lib: reciprocal_div: implement the improved algorithm on the paper mentioned 2018-07-07 01:45:31 +02:00
LICENSES
mm slub: fix failure when we delete and create a slab cache 2018-06-28 11:16:44 -07:00
net net: ipv6: listify ipv6_rcv() and ip6_rcv_finish() 2018-07-06 11:19:07 +09:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-07-04 08:53:53 +09:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-07-02 11:18:28 -07:00
security selinux/stable-4.18 PR 20180629 2018-06-30 11:15:12 -07:00
sound ALSA: seq: Fix UBSAN warning at SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT ioctl 2018-06-25 11:18:04 +02:00
tools tools: libbpf: allow map reuse 2018-07-11 22:13:34 +02:00
usr
virt KVM: arm64: Prevent KVM_COMPAT from being selected 2018-06-21 17:17:50 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig kconfig: add basic helper macros to scripts/Kconfig.include 2018-05-29 03:31:19 +09:00
MAINTAINERS Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-03 10:29:26 +09:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-07-02 11:18:28 -07:00
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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.