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Diffstat (limited to 'Documentation/kbuild/kconfig-language.rst')
| -rw-r--r-- | Documentation/kbuild/kconfig-language.rst | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/Documentation/kbuild/kconfig-language.rst b/Documentation/kbuild/kconfig-language.rst index 74bef19f69f0..d0111dd26410 100644 --- a/Documentation/kbuild/kconfig-language.rst +++ b/Documentation/kbuild/kconfig-language.rst @@ -196,14 +196,11 @@ applicable everywhere (see syntax). or equal to the first symbol and smaller than or equal to the second symbol. -- help text: "help" or "---help---" +- help text: "help" This defines a help text. The end of the help text is determined by the indentation level, this means it ends at the first line which has a smaller indentation than the first line of the help text. - "---help---" and "help" do not differ in behaviour, "---help---" is - used to help visually separate configuration logic from help within - the file as an aid to developers. - misc options: "option" <symbol>[=<value>] @@ -594,7 +591,8 @@ The two different resolutions for b) can be tested in the sample Kconfig file Documentation/kbuild/Kconfig.recursion-issue-02. Below is a list of examples of prior fixes for these types of recursive issues; -all errors appear to involve one or more select's and one or more "depends on". +all errors appear to involve one or more "select" statements and one or more +"depends on". ============ =================================== commit fix @@ -656,7 +654,7 @@ the use of the xconfig configurator [1]_. Work should be done to confirm if the deduced semantics matches our intended Kconfig design goals. Having well defined semantics can be useful for tools for practical -evaluation of depenencies, for instance one such use known case was work to +evaluation of dependencies, for instance one such case was work to express in boolean abstraction of the inferred semantics of Kconfig to translate Kconfig logic into boolean formulas and run a SAT solver on this to find dead code / features (always inactive), 114 dead features were found in @@ -683,7 +681,7 @@ abstraction the inferred semantics of Kconfig to translate Kconfig logic into boolean formulas and run a SAT solver on it [5]_. Another known related project is CADOS [6]_ (former VAMOS [7]_) and the tools, mainly undertaker [8]_, which has been introduced first with [9]_. The basic concept of undertaker is to -exract variability models from Kconfig, and put them together with a +extract variability models from Kconfig and put them together with a propositional formula extracted from CPP #ifdefs and build-rules into a SAT solver in order to find dead code, dead files, and dead symbols. If using a SAT solver is desirable on Kconfig one approach would be to evaluate repurposing |