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20e109ea98
linux-stable/Documentation/bpf
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Dave Thaler 20e109ea98 bpf, docs: Clarify that MOVSX is only for BPF_X not BPF_K 
Per discussion on the mailing list at
https://mailarchive.ietf.org/arch/msg/bpf/uQiqhURdtxV_ZQOTgjCdm-seh74/
the MOVSX operation is only defined to support register extension.

The document didn't previously state this and incorrectly implied
that one could use an immediate value.

Signed-off-by: Dave Thaler <dthaler1968@gmail.com>
Acked-by: David Vernet <void@manifault.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240118232954.27206-1-dthaler1968@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2024-01-23 15:10:08 -08:00
..
libbpf documentation/bpf: Document cgroup unix socket address hooks 2023-10-11 17:27:55 -07:00
standardization bpf, docs: Clarify that MOVSX is only for BPF_X not BPF_K 2024-01-23 15:10:08 -08:00
bpf_design_QA.rst docs/bpf: Add documentation for new instructions 2023-07-27 18:54:17 -07:00
bpf_devel_QA.rst bpf: Replace deprecated -target with --target= for Clang 2023-06-29 15:46:17 +02:00
bpf_iterators.rst bpf, docs: BPF Iterator Document 2023-06-22 19:44:22 +02:00
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: automarkup: linkify git revs 2023-11-17 13:13:24 -07:00
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: Add bpf_cpumask_weight() kfunc 2023-12-09 21:37:33 -08:00
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
fs_kfuncs.rst Documentation/bpf: Add documentation for filesystem kfuncs 2023-12-01 16:21:03 -08:00
graph_ds_impl.rst Documentation: Fix typos 2023-08-18 11:29:03 -06:00
helpers.rst bpf, docs: Fix ordering of bpf documentation 2021-11-17 23:24:01 +01:00
index.rst Documentation/bpf: Add documentation for filesystem kfuncs 2023-12-01 16:21:03 -08:00
kfuncs.rst bpf: Introduce KF_ARG_PTR_TO_CONST_STR 2023-11-09 19:07:38 -08:00
linux-notes.rst bpf, docs: Move linux-notes.rst to root bpf docs tree 2023-08-30 16:35:44 +02:00
llvm_reloc.rst docs/bpf: Fix "file doesn't exist" warnings in {llvm_reloc,btf}.rst 2023-09-01 15:56:48 +02:00
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 sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
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 docs/bpf: update out-of-date doc in BPF flow dissector 2023-09-13 14:22:57 -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: Fix an incorrect statement in verifier.rst 2024-01-23 14:40:23 -08:00