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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2007-10-13 05:27:47 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2007-10-13 05:27:47 +0400
commitb981d8b3f5e008ff10d993be633ad00564fc22cd (patch)
treee292dc07b22308912cf6a58354a608b9e5e8e1fd /Documentation/kbuild/kconfig-language.txt
parentb11d2127c4893a7315d1e16273bc8560049fa3ca (diff)
parent2b9e0aae1d50e880c58d46788e5e3ebd89d75d62 (diff)
downloadlinux-b981d8b3f5e008ff10d993be633ad00564fc22cd.tar.xz
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/macintosh/adbhid.c
Diffstat (limited to 'Documentation/kbuild/kconfig-language.txt')
-rw-r--r--Documentation/kbuild/kconfig-language.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index 536d5bfbdb8d..fe8b0c4892cf 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -98,6 +98,15 @@ applicable everywhere (see syntax).
times, the limit is set to the largest selection.
Reverse dependencies can only be used with boolean or tristate
symbols.
+ Note:
+ select is evil.... select will by brute force set a symbol
+ equal to 'y' without visiting the dependencies. So abusing
+ select you are able to select a symbol FOO even if FOO depends
+ on BAR that is not set. In general use select only for
+ non-visible symbols (no promts anywhere) and for symbols with
+ no dependencies. That will limit the usefulness but on the
+ other hand avoid the illegal configurations all over. kconfig
+ should one day warn about such things.
- numerical ranges: "range" <symbol> <symbol> ["if" <expr>]
This allows to limit the range of possible input values for int