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-rw-r--r--Documentation/kbuild/kconfig-language.txt17
1 files changed, 9 insertions, 8 deletions
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index 649cb8799890..00b950d1c193 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -104,14 +104,15 @@ applicable everywhere (see syntax).
104 Reverse dependencies can only be used with boolean or tristate 104 Reverse dependencies can only be used with boolean or tristate
105 symbols. 105 symbols.
106 Note: 106 Note:
107 select is evil.... select will by brute force set a symbol 107 select should be used with care. select will force
108 equal to 'y' without visiting the dependencies. So abusing 108 a symbol to a value without visiting the dependencies.
109 select you are able to select a symbol FOO even if FOO depends 109 By abusing select you are able to select a symbol FOO even
110 on BAR that is not set. In general use select only for 110 if FOO depends on BAR that is not set.
111 non-visible symbols (no prompts anywhere) and for symbols with 111 In general use select only for non-visible symbols
112 no dependencies. That will limit the usefulness but on the 112 (no prompts anywhere) and for symbols with no dependencies.
113 other hand avoid the illegal configurations all over. kconfig 113 That will limit the usefulness but on the other hand avoid
114 should one day warn about such things. 114 the illegal configurations all over.
115 kconfig should one day warn about such things.
115 116
116- numerical ranges: "range" <symbol> <symbol> ["if" <expr>] 117- numerical ranges: "range" <symbol> <symbol> ["if" <expr>]
117 This allows to limit the range of possible input values for int 118 This allows to limit the range of possible input values for int