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Lorenz Bauer 96b3b6c909 bpf: allow zero-initializing hash map seed
Add a new flag BPF_F_ZERO_SEED, which forces a hash map
to initialize the seed to zero. This is useful when doing
performance analysis both on individual BPF programs, as
well as the kernel's hash table implementation.

Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-11-20 00:53:39 +01:00
arch
block
certs
crypto
Documentation
drivers bpf: Remove unused variable in nsim_bpf 2018-11-16 17:51:13 -08:00
firmware
fs
include bpf: allow zero-initializing hash map seed 2018-11-20 00:53:39 +01:00
init
ipc
kernel bpf: allow zero-initializing hash map seed 2018-11-20 00:53:39 +01:00
lib
LICENSES
mm
net bpf: Support socket lookup in CGROUP_SOCK_ADDR progs 2018-11-16 17:54:29 -08:00
samples
scripts
security
sound
tools bpf: libbpf: retry map creation without the name 2018-11-20 00:49:32 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
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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.