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Dave Thaler 8819495a75 bpf, docs: Shift operations are defined to use a mask 
Update the documentation regarding shift operations to explain the
use of a mask, since otherwise shifting by a value out of range
(like negative) is undefined.

Signed-off-by: Dave Thaler <dthaler@microsoft.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20230509180845.1236-1-dthaler1968@googlemail.com
2023-05-17 16:18:33 +02:00
..
libbpf
bpf, docs: Libbpf overview documentation
2023-03-18 10:17:39 -07:00
bpf_design_QA.rst
bpf: Rename __kptr_ref -> __kptr and __kptr -> __kptr_untrusted.
2023-03-03 17:42:20 +01:00
bpf_devel_QA.rst
bpf-next-for-netdev
2023-04-13 16:43:38 -07:00
bpf_iterators.rst
bpf, docs: BPF Iterator Document
2022-12-04 16:41:22 -08:00
bpf_licensing.rst
bpf: Document BPF licensing.
2021-09-22 23:13:13 +02:00
bpf_prog_run.rst
Documentation/bpf: Add documentation for BPF_PROG_RUN
2022-03-09 14:19:22 -08:00
btf.rst
docs/bpf: Update btf selftests program and add link
2022-11-25 00:00:15 +01:00
clang-notes.rst
bpf, docs: Explain helper functions
2023-03-10 13:02:00 -08:00
classic_vs_extended.rst
bpf, docs: Split the comparism to classic BPF from instruction-set.rst
2021-12-30 16:31:44 -08:00
cpumasks.rst
bpf,docs: Remove bpf_cpumask_kptr_get() from documentation
2023-03-16 12:28:30 -07:00
drgn.rst
bpf: Document bpf_inspect drgn tool
2020-03-26 00:08:36 +01:00
faq.rst
bpf, docs: Fix ordering of bpf documentation
2021-11-17 23:24:01 +01:00
graph_ds_impl.rst
Documentation: bpf: Add missing line break separator in node_data struct code block
2023-02-15 08:43:51 -08:00
helpers.rst
bpf, docs: Fix ordering of bpf documentation
2021-11-17 23:24:01 +01:00
index.rst
bpf/docs: Document cpumask kfuncs in a new file
2023-01-25 07:57:50 -08:00
instruction-set.rst
bpf, docs: Shift operations are defined to use a mask
2023-05-17 16:18:33 +02:00
kfuncs.rst
bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)
2023-05-06 16:42:57 -07:00
linux-notes.rst
bpf, docs: Add docs on extended 64-bit immediate instructions
2023-04-02 17:02:54 -07:00
llvm_reloc.rst
bpf, docs: Update llvm_relocs.rst with typo fixes
2023-05-05 08:20:39 -07:00
map_array.rst
docs/bpf: Fix sphinx warnings in BPF map docs
2022-11-24 01:05:04 +01:00
map_bloom_filter.rst
docs/bpf: Document BPF_MAP_TYPE_BLOOM_FILTER
2022-11-23 22:47:32 +01:00
map_cgroup_storage.rst
Remove duplicate words inside documentation
2022-09-27 13:21:43 -06:00
map_cgrp_storage.rst
docs/bpf: Add documentation for new cgroup local storage
2022-10-25 23:19:20 -07:00
map_cpumap.rst
docs/bpf: Fix sphinx warnings for cpumap
2022-11-23 22:38:53 +01:00
map_devmap.rst
docs/bpf: Fix sphinx warnings for devmap
2022-11-23 22:40:27 +01:00
map_hash.rst
docs/bpf: Add LRU internals description and graph
2023-04-27 14:20:44 +02:00
map_lpm_trie.rst
docs/bpf: Fix sphinx warnings in BPF map docs
2022-11-24 01:05:04 +01:00
map_lru_hash_update.dot
docs/bpf: Add LRU internals description and graph
2023-04-27 14:20:44 +02:00
map_of_maps.rst
docs/bpf: Fix sphinx warnings in BPF map docs
2022-11-24 01:05:04 +01:00
map_queue_stack.rst
docs/bpf: Fix sphinx warnings in BPF map docs
2022-11-24 01:05:04 +01:00
map_sk_storage.rst
docs/bpf: Reword docs for BPF_MAP_TYPE_SK_STORAGE
2022-12-14 18:35:41 +01:00
map_sockmap.rst
docs: BPF_MAP_TYPE_SOCK[MAP|HASH]
2022-12-20 15:54:05 -08:00
map_xskmap.rst
Documentation: bpf: correct spelling
2023-01-28 12:22:20 -08:00
maps.rst
bpf, docs: Fix final bpf docs build failure
2023-03-02 22:36:10 -08:00
other.rst
bpf, documentation: Add graph documentation for non-owning refs
2023-02-13 19:40:53 -08:00
prog_cgroup_sockopt.rst
bpf: Document EFAULT changes for sockopt
2023-05-13 16:55:46 -07:00
prog_cgroup_sysctl.rst
bpf: Document BPF_PROG_TYPE_CGROUP_SYSCTL
2019-04-18 16:05:36 -07:00
prog_flow_dissector.rst
bpf/flow_dissector: add mode to enforce global BPF flow dissector
2019-10-07 20:16:33 -07:00
prog_lsm.rst
lsm: move hook comments docs to security/security.c
2023-04-28 11:58:34 -04:00
prog_sk_lookup.rst
bpf: sk_lookup: Add user documentation
2020-08-24 14:46:50 -07:00
programs.rst
docs/bpf: Add table of BPF program types to libbpf docs
2022-11-23 13:31:20 -08:00
redirect.rst
bpf, docs: DEVMAPs and XDP_REDIRECT
2022-11-18 23:16:31 +01:00
ringbuf.rst
Documentation: bpf: correct spelling
2023-01-28 12:22:20 -08:00
s390.rst
bpf: Add s390 testing documentation
2019-10-30 16:25:31 +01:00
syscall_api.rst
bpf, docs: Fix ordering of bpf documentation
2021-11-17 23:24:01 +01:00
test_debug.rst
bpf, docs: Fix ordering of bpf documentation
2021-11-17 23:24:01 +01:00
verifier.rst
docs/bpf: Add description of register liveness tracking algorithm
2023-02-02 20:21:59 -08:00