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authorLinus Torvalds <torvalds@linux-foundation.org>2019-12-02 17:35:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-12-02 17:35:04 -0800
commit76bb8b05960c3d1668e6bee7624ed886cbd135ba (patch)
treedec8cc723bff2e556e39c05333235cca74b87f29 /Documentation/core-api
parente30dbe50dc91d25dde251169b66d39f99bf45bad (diff)
parentd21b7e6b985c15ff75e8668b0282ec5104391901 (diff)
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Merge tag 'kbuild-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada: - remove unneeded asm headers from hexagon, ia64 - add 'dir-pkg' target, which works like 'tar-pkg' but skips archiving - add 'helpnewconfig' target, which shows help for new CONFIG options - support 'make nsdeps' for external modules - make rebuilds faster by deleting $(wildcard $^) checks - remove compile tests for kernel-space headers - refactor modpost to simplify modversion handling - make single target builds faster - optimize and clean up scripts/kallsyms.c - refactor various Makefiles and scripts * tag 'kbuild-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (59 commits) MAINTAINERS: update Kbuild/Kconfig maintainer's email address scripts/kallsyms: remove redundant initializers scripts/kallsyms: put check_symbol_range() calls close together scripts/kallsyms: make check_symbol_range() void function scripts/kallsyms: move ignored symbol types to is_ignored_symbol() scripts/kallsyms: move more patterns to the ignored_prefixes array scripts/kallsyms: skip ignored symbols very early scripts/kallsyms: add const qualifiers where possible scripts/kallsyms: make find_token() return (unsigned char *) scripts/kallsyms: replace prefix_underscores_count() with strspn() scripts/kallsyms: add sym_name() to mitigate cast ugliness scripts/kallsyms: remove unneeded length check for prefix matching scripts/kallsyms: remove redundant is_arm_mapping_symbol() scripts/kallsyms: set relative_base more effectively scripts/kallsyms: shrink table before sorting it scripts/kallsyms: fix definitely-lost memory leak scripts/kallsyms: remove unneeded #ifndef ARRAY_SIZE kbuild: make single target builds even faster modpost: respect the previous export when 'exported twice' is warned modpost: do not set ->preloaded for symbols from Module.symvers ...
Diffstat (limited to 'Documentation/core-api')
-rw-r--r--Documentation/core-api/symbol-namespaces.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/core-api/symbol-namespaces.rst b/Documentation/core-api/symbol-namespaces.rst
index 982ed7b568ac..9b76337f6756 100644
--- a/Documentation/core-api/symbol-namespaces.rst
+++ b/Documentation/core-api/symbol-namespaces.rst
@@ -152,3 +152,6 @@ in-tree modules::
- notice the warning of modpost telling about a missing import
- run `make nsdeps` to add the import to the correct code location
+You can also run nsdeps for external module builds. A typical usage is::
+
+ $ make -C <path_to_kernel_src> M=$PWD nsdeps