| From | Kees Cook <> | Subject | [PATCH 001/104] checkpatch: warn about using CONFIG_EXPERIMENTAL | Date | Mon, 5 Nov 2012 15:03:18 -0800 |
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This config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, it is being removed. This will discourage future addition of CONFIG_EXPERIMENTAL while it is being phased out.
Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Kees Cook <keescook@chromium.org> --- scripts/checkpatch.pl | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 21a9f5d..f8b33ed 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1757,6 +1757,13 @@ sub process { #print "is_start<$is_start> is_end<$is_end> length<$length>\n"; } +# Discourage the addition of CONFIG_EXPERIMENTAL in Kconfig. + if ($realfile =~ /Kconfig/ && + $line =~ /.\s*depends on\s+.*\bEXPERIMENTAL\b/) { + WARN("CONFIG_EXPERIMENTAL", + "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see:\nhttps://lkml.org/lkml/2012/10/23/580\n"); + } + if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) && ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) { my $flag = $1; -- 1.7.9.5
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