The patch titled Subject: checkpatch: warn about using CONFIG_EXPERIMENTAL has been added to the -mm tree. Its filename is checkpatch-warn-about-using-config_experimental.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Kees Cook <keescook@xxxxxxxxxxxx> Subject: 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@xxxxxxxxxxxx> Cc: Andy Whitcroft <apw@xxxxxxxxxxxxx> Cc: Joe Perches <joe@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/checkpatch.pl | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff -puN scripts/checkpatch.pl~checkpatch-warn-about-using-config_experimental scripts/checkpatch.pl --- a/scripts/checkpatch.pl~checkpatch-warn-about-using-config_experimental +++ a/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", _ Patches currently in -mm which might be from keescook@xxxxxxxxxxxx are linux-next.patch fs-pstore-ramc-fix-up-section-annotations.patch checkpatch-warn-about-using-config_experimental.patch proc-dont-show-nonexistent-capabilities.patch proc-pid-status-add-seccomp-field.patch binfmt_elfc-use-get_random_int-to-fix-entropy-depleting.patch binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html