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checkpatch: add --userspace to force userspace rules

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Also allow to use --no-userspace for userspace projects which vendored
checkpatch.pl and use --userspace globally to be able switch it off for
files with kernel code.

Link: https://lore.kernel.org/20260904110230.1219037-4-pvorel@suse.cz
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
This commit is contained in:
Petr Vorel 2026-09-04 13:02:29 +02:00 committed by Andrew Morton
parent 3dc89677fb
commit 4b5b44b161
1 changed files with 6 additions and 0 deletions
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6
scripts/checkpatch.pl
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@ -63,6 +63,7 @@ my $env_config_dir = 'CHECKPATCH_CONFIG_DIR';
my $max_line_length = 100;
my $ignore_perl_version = 0;
my $spdx_cxx_comments = 0;
my $userspace;
my $minimum_perl_version = 5.10.0;
my $min_conf_desc_length = 4;
my $spelling_file = "$D/spelling.txt";
@ -143,6 +144,7 @@ Options:
(required by old toolchains), allow also C++
comments (//).
NOTE: it should *not* be used for Linux mainline.
--userspace Force rules specific for userspace.
--codespell Use the codespell dictionary for spelling/typos
(default:$codespellfile)
--codespellfile Use this codespell dictionary
@ -358,6 +360,7 @@ GetOptions(
'codespell!' => \$codespell,
'codespellfile=s' => \$user_codespellfile,
'typedefsfile=s' => \$typedefsfile,
'userspace!' => \$userspace,
'color=s' => \$color,
'no-color' => \$color, #keep old behaviors of -nocolor
'nocolor' => \$color, #keep old behaviors of -nocolor
@ -2667,6 +2670,9 @@ sub exclude_global_initialisers {
sub is_userspace {
my ($realfile) = @_;
return $userspace if (defined $userspace);
return ($realfile =~ m@^tools/@ ||
$realfile =~ m@^scripts/@ ||
$realfile =~ m@^arch/.*/tools/@);