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976ea8c3ae
test 1 - check whether modprobe outputs the right thing when using --show-depends is used with already loaded modules. test 2 - check whether modprobe outputs the right thing when using --show-depends with modules not loaded yet
110 lines
3.7 KiB
Plaintext
110 lines
3.7 KiB
Plaintext
Features:
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=========
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* config: configs that do not need to be matched by fnmatch() could be using a
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vector instead of a list. This way we could search in it by calling
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bsearch().
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* index: drop the "open(), seek(), read()" implementation and use another one
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with mmap(). When lookup() is called and the file is not mmaped, mmap it.
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* review API, maybe unify all of these setters:
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- kmod_module_version_get_symbol()
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- kmod_module_version_get_crc()
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- kmod_module_symbol_get_symbol()
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- kmod_module_symbol_get_crc()
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- kmod_module_dependency_symbol_get_symbol()
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- kmod_module_dependency_symbol_get_crc()
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- kmod_module_versions_free_list()
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- kmod_module_symbols_free_list()
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- kmod_module_dependency_symbols_free_list()
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* provide modules.archive, a cache file with all modules compressed
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and a fast access. It's like a tar.gz, but with each entry
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compressed as opposed to the whole tar compressed, easy to pick
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individual entries, that is, more like .gz.tar. As zlib compression
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does not store the uncompressed file size, this could provide
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it. The file format should be something like:
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MAGIC-ID
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DIRECTORY-ENTRY-SIZE
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DIRECTORY (hash-like format, points to file offset and size)
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ENTRIES (each is a compressed module)
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Helper binary to:
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kmod-archive list
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kmod-archive add path.ko
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kmod-archive rm path.ko
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kmod-archive get path.ko
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kmod-archive exists path.ko
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* Stop using system() inside the library and use fork + exec instead
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Known Bugs:
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===========
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Things to be added/removed in kernel (check what is really needed):
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===================================================================
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* list of currently loaded modules
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- readdir() in /sys/modules: dirs without a 'initstate' file mean the
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modules is builtin.
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* module's size should be available under /sys
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- DONE in 3.3: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=cca3e707301862ca9b9327e6a732463982f8cd1b
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* kill /proc/modules ?
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- Unlikely, given other tools might depend on it
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Things that are different from module-init-tools on purpose (!TODO)
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===================================================================
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modprobe
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--------
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* 'modprobe -l' was marked as deprecated and does not exist anymore
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* 'modprobe -t' is gone, together with 'modprobe -l'
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* there's and additional '--remove-dependencies' flags to kmod-modprobe so we
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can remove modules depending on that one
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* kmod-modprobe doesn't parse configuration files whose name don't end on
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'.alias' or '.conf'. modprobe used to warn about these files.
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* kmod-modprobe doesn't parse 'config' and 'include' commands in configuration
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files.
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* we don't use <module-dir>/modules.builtin{,.bin} indexes. Instead we rely on
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module appearing on /sys/modules/* without a initstate file to determine if
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it is builtin.
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* modprobe from m-i-t does not honour softdeps for install commands. E.g.:
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config:
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install bli "echo bli"
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install bla "echo bla"
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softdep bla pre: bli
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With m-i-t, the output of 'modprobe --show-depends bla' will be:
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install "echo bla"
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While with kmod:
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install "echo bli"
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install "echo bla"
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* kmod doesn't dump the configuration as is in the config files. Instead it
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dumps the configuration as it was parsed. Therefore, comments and file names
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are not dumped, but on the good side we know what the exact configuration
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kmod is using. We did this because if we only want to know the entire content
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of configuration files, it's enough to use find(1) in modprobe.d directories
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depmod
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------
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* there's no 'depmod -m' option: legacy modules.*map files are gone
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lsmod
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-----
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* information is parsed from /sys instead of /proc/modules
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