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John Fastabend 5a67da2a71 bpf: add support for sockmap detach programs
The bpf map sockmap supports adding programs via attach commands. This
patch adds the detach command to keep the API symmetric and allow
users to remove previously added programs. Otherwise the user would
have to delete the map and re-add it to get in this state.

This also adds a series of additional tests to capture detach operation
and also attaching/detaching invalid prog types.

API note: socks will run (or not run) programs depending on the state
of the map at the time the sock is added. We do not for example walk
the map and remove programs from previously attached socks.

Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-08 21:11:00 -07:00
arch Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-09-06 15:17:17 -07:00
block Char/Misc drivers for 4.14-rc1 2017-09-05 11:08:17 -07:00
certs
crypto crypto: af_alg - get_page upon reassignment to TX SGL 2017-08-22 15:03:27 +08:00
Documentation dt-binding: net: sfp binding documentation 2017-09-08 20:51:17 -07:00
drivers net: tulip: Constify tulip_tbl 2017-09-08 20:53:10 -07:00
firmware
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-09-06 14:45:08 -07:00
include bpf: add support for sockmap detach programs 2017-09-08 21:11:00 -07:00
init Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 12:21:28 -07:00
ipc
kernel bpf: add support for sockmap detach programs 2017-09-08 21:11:00 -07:00
lib Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-09-06 15:17:17 -07:00
mm Writeback error handling fixes for v4.14 2017-09-06 14:11:03 -07:00
net net: rcu lock and preempt disable missing around generic xdp 2017-09-08 21:11:00 -07:00
samples bpf: Add lru_hash_lookup performance test 2017-09-01 09:57:38 -07:00
scripts Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 09:52:57 -07:00
security
sound Merge branch 'parisc-4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2017-09-05 09:37:11 -07:00
tools bpf: add support for sockmap detach programs 2017-09-08 21:11:00 -07:00
usr
virt KVM: update to new mmu_notifier semantic v2 2017-08-31 16:13:00 -07:00
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MAINTAINERS Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-09-06 15:17:17 -07:00
Makefile Merge branch 'docs-next' of git://git.lwn.net/linux 2017-09-03 21:07:29 -07:00
README

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.