diff options
| author | Kees Cook <keescook@chromium.org> | 2012-12-17 16:01:48 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-17 17:15:18 -0800 |
| commit | 1ba8dfd17ead04de18bfca7b68c2a144c8be736a (patch) | |
| tree | d9f42871b6809cd40e03557bc243a11d6039dd20 /scripts | |
| parent | 5023d3472d444747bfa12e9798d7993e7efb8287 (diff) | |
| download | lwn-1ba8dfd17ead04de18bfca7b68c2a144c8be736a.tar.gz lwn-1ba8dfd17ead04de18bfca7b68c2a144c8be736a.zip | |
checkpatch: warn about using CONFIG_EXPERIMENTAL
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.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/checkpatch.pl | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index d4f61a6fed5d..cd251d5f3f1a 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/ && + $line =~ /.\s*depends on\s+.*\bEXPERIMENTAL\b/) { + WARN("CONFIG_EXPERIMENTAL", + "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see https://lkml.org/lkml/2012/10/23/580\n"); + } + if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) && ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) { my $flag = $1; @@ -1912,6 +1919,12 @@ sub process { # check we are in a valid C source file if not then ignore this hunk next if ($realfile !~ /\.(h|c)$/); +# discourage the addition of CONFIG_EXPERIMENTAL in #if(def). + if ($line =~ /^\+\s*\#\s*if.*\bCONFIG_EXPERIMENTAL\b/) { + WARN("CONFIG_EXPERIMENTAL", + "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see https://lkml.org/lkml/2012/10/23/580\n"); + } + # check for RCS/CVS revision markers if ($rawline =~ /^\+.*\$(Revision|Log|Id)(?:\$|)/) { WARN("CVS_KEYWORD", |