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Martin KaFai Lau 134fede4ee bpf: Relax max_entries check for most of the inner map types
Most of the maps do not use max_entries during verification time.
Thus, those map_meta_equal() do not need to enforce max_entries
when it is inserted as an inner map during runtime.  The max_entries
check is removed from the default implementation bpf_map_meta_equal().

The prog_array_map and xsk_map are exception.  Its map_gen_lookup
uses max_entries to generate inline lookup code.  Thus, they will
implement its own map_meta_equal() to enforce max_entries.
Since there are only two cases now, the max_entries check
is not refactored and stays in its own .c file.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200828011813.1970516-1-kafai@fb.com
2020-08-28 15:41:30 +02:00
arch parisc: fix PMD pages allocation by restoring pmd_alloc_one() 2020-08-16 10:53:13 -07:00
block block-5.9-2020-08-14 2020-08-15 20:36:42 -07:00
certs
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-08-14 13:09:15 -07:00
Documentation bpf: Update .BTF_ids section in btf.rst with sets info 2020-08-25 15:41:15 -07:00
drivers net-veth: Add type safety to veth_xdp_to_ptr() and veth_ptr_to_xdp() 2020-08-19 14:10:38 -07:00
fs io_uring-5.9-2020-08-15 2020-08-16 10:55:12 -07:00
include bpf: Add map_meta_equal map ops 2020-08-28 15:41:30 +02:00
init bpf: Add kernel module with user mode driver that populates bpffs. 2020-08-20 16:02:36 +02:00
ipc ipc/shm.c: remove the superfluous break 2020-08-12 10:58:02 -07:00
kernel bpf: Relax max_entries check for most of the inner map types 2020-08-28 15:41:30 +02:00
lib netlink: make NLA_BINARY validation more flexible 2020-08-18 12:28:45 -07:00
LICENSES
mm Merge branch 'akpm' (patches from Andrew) 2020-08-15 08:02:03 -07:00
net bpf: Relax max_entries check for most of the inner map types 2020-08-28 15:41:30 +02:00
samples samples: bpf: Refactor tracepoint tracing programs with libbpf 2020-08-24 20:59:35 -07:00
scripts bpf: Add d_path helper 2020-08-25 15:41:15 -07:00
security bpf: Implement bpf_local_storage for inodes 2020-08-25 15:00:04 -07:00
sound sound fixes for 5.9-rc1 2020-08-14 15:58:57 -07:00
tools bpf: Make bpf_link_info.iter similar to bpf_iter_link_info 2020-08-28 14:33:24 +02:00
usr Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
virt Merge branch 'akpm' (patches from Andrew) 2020-08-12 11:24:12 -07:00
.clang-format block: add bio_for_each_bvec_all() 2020-05-25 11:25:24 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore .gitignore: Add ZSTD-compressed files 2020-07-31 11:50:49 +02:00
.mailmap mailmap: Add WeiXiong Liao 2020-08-17 14:32:44 -07:00
COPYING
CREDITS CREDITS: Replace HTTP links with HTTPS ones 2020-07-23 14:53:58 -06:00
Kbuild
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS perf tools changes for v5.9: 2nd batch 2020-08-15 11:17:15 -07:00
Makefile Linux 5.9-rc1 2020-08-16 13:04:57 -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.

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.