From: Adrian Bunk Date: Sat, 3 May 2008 23:15:35 +0000 (+0300) Subject: kconfig-language.txt: remove bogus hint X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2cb1e1257fb4d4d52c97e763ab262c2295aea4a8;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git kconfig-language.txt: remove bogus hint For the use case the hint describe a simple dependency is enough. Signed-off-by: Adrian Bunk Acked-by: Randy Dunlap --- diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt index 00b950d1c193..c412c245848f 100644 --- a/Documentation/kbuild/kconfig-language.txt +++ b/Documentation/kbuild/kconfig-language.txt @@ -377,27 +377,3 @@ config FOO limits FOO to module (=m) or disabled (=n). - -Build limited by a third config symbol which may be =y or =m -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -A common idiom that we see (and sometimes have problems with) is this: - -When option C in B (module or subsystem) uses interfaces from A (module -or subsystem), and both A and B are tristate (could be =y or =m if they -were independent of each other, but they aren't), then we need to limit -C such that it cannot be built statically if A is built as a loadable -module. (C already depends on B, so there is no dependency issue to -take care of here.) - -If A is linked statically into the kernel image, C can be built -statically or as loadable module(s). However, if A is built as loadable -module(s), then C must be restricted to loadable module(s) also. This -can be expressed in kconfig language as: - -config C - depends on A = y || A = B - -or for real examples, use this command in a kernel tree: - -$ find . -name Kconfig\* | xargs grep -ns "depends on.*=.*||.*=" | grep -v orig -