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Filename Latest commit message Latest commit date
Quentin Monnet c5da54d93e nfp: bpf: copy eBPF subprograms information from kernel verifier
In order to support BPF-to-BPF calls in offloaded programs, the nfp
driver must collect information about the distinct subprograms: namely,
the number of subprograms composing the complete program and the stack
depth of those subprograms. The latter in particular is non-trivial to
collect, so we copy those elements from the kernel verifier via the
newly added post-verification hook. The struct nfp_prog is extended to
store this information. Stack depths are stored in an array of dedicated
structs.

Subprogram start indexes are not collected. Instead, meta instructions
associated to the start of a subprogram will be marked with a flag in a
later patch.

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-10-08 10:24:12 +02:00
arch Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
block block: use nanosecond resolution for iostat 2018-09-21 20:26:59 -06:00
certs
crypto
Documentation bpf, doc: Document Jump X addressing mode 2018-10-08 10:20:56 +02:00
drivers nfp: bpf: copy eBPF subprograms information from kernel verifier 2018-10-08 10:24:12 +02:00
firmware
fs This pull request contains fixes for UBIFS: 2018-09-21 15:29:44 +02:00
include bpf: add verifier callback to get stack usage info for offloaded progs 2018-10-08 10:24:12 +02:00
init
ipc
kernel bpf: add verifier callback to get stack usage info for offloaded progs 2018-10-08 10:24:12 +02:00
lib bpf: test_bpf: add init_net to dev for flow_dissector 2018-09-27 21:09:45 +02:00
LICENSES
mm mm: slowly shrink slabs with a relatively small number of objects 2018-09-20 22:01:11 +02:00
net xsk: proper AF_XDP socket teardown ordering 2018-10-08 10:09:22 +02:00
samples bpf, tracex3_user: erase "ARRAY_SIZE" redefined 2018-10-04 16:31:57 +02:00
scripts linux-kselftest-4.19-rc5 2018-09-17 07:24:28 +02:00
security Revert "uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name" 2018-09-25 13:28:58 +02:00
sound ASoC: Fixes for v4.19 2018-09-17 18:59:21 +02:00
tools libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
usr
virt KVM: Remove obsolete kvm_unmap_hva notifier backend 2018-09-07 15:06:02 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
Makefile Linux 4.19-rc5 2018-09-23 19:15:18 +02:00
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.