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Mon, 10 Aug 2026 16:45:56 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id YGvVIkQAemrAWAAAD6G6ig (envelope-from ); Mon, 10 Aug 2026 16:45:56 +0000 From: Petr Vorel To: linux-kernel@vger.kernel.org Cc: Petr Vorel , Andrew Morton , Andy Whitcroft , Joe Perches , Dwaipayan Ray , Lukas Bulwahn , Cryolitia PukNgae Subject: [PATCH v4 1/3] checkpatch: Add more userspace directories to is_userspace() Date: Mon, 10 Aug 2026 18:45:50 +0200 Message-ID: <20260810164552.1049483-2-pvorel@suse.cz> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260810164552.1049483-1-pvorel@suse.cz> References: <20260810164552.1049483-1-pvorel@suse.cz> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -1.30 X-Spam-Level: X-Spam-Flag: NO X-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[99.99%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_TWO(0.00)[2]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[suse.cz,linux-foundation.org,canonical.com,perches.com,gmail.com,uniontech.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TAGGED_RCPT(0.00)[]; RCVD_TLS_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email,suse.cz:mid,imap1.dmz-prg2.suse.org:helo]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_SEVEN(0.00)[8]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] Content-Type: text/plain; charset="utf-8" arch/ directory contains subdirectories with userspace tools (at least arch/*/tools/ and arch/*/boot/tools/). Add check to consider any arch/.*/tools/ subdirectory as userspace tools directory. This helps not only to strscpy() checks but also to CamelCase checks in the next commit to be more precise. Follow-up: 99b70ece33d8 ("checkpatch: suppress strscpy warnings for userspa= ce tools") Signed-off-by: Petr Vorel --- Changes v3->v4: * Change test for directory to be more more generic (Joe) scripts/checkpatch.pl | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 4f7325fd5825..1c6ef46bae1e 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2665,7 +2665,9 @@ sub exclude_global_initialisers { =20 sub is_userspace { my ($realfile) =3D @_; - return ($realfile =3D~ m@^tools/@ || $realfile =3D~ m@^scripts/@); + return ($realfile =3D~ m@^tools/@ || + $realfile =3D~ m@^scripts/@ || + $realfile =3D~ m@^arch/.*\btools\b@); } =20 sub process { --=20 2.55.0 From nobody Tue Sep 29 08:26:18 2026 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6829742BE99 for ; 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Mon, 10 Aug 2026 16:45:56 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id kG4FM0QAemrAWAAAD6G6ig (envelope-from ); Mon, 10 Aug 2026 16:45:56 +0000 From: Petr Vorel To: linux-kernel@vger.kernel.org Cc: Petr Vorel , Andrew Morton , Andy Whitcroft , Joe Perches , Dwaipayan Ray , Lukas Bulwahn , Cryolitia PukNgae Subject: [PATCH v4 2/3] checkpatch: Ignore format macros for userspace tools Date: Mon, 10 Aug 2026 18:45:51 +0200 Message-ID: <20260810164552.1049483-3-pvorel@suse.cz> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260810164552.1049483-1-pvorel@suse.cz> References: <20260810164552.1049483-1-pvorel@suse.cz> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_TWO(0.00)[2]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[suse.cz,linux-foundation.org,canonical.com,perches.com,gmail.com,uniontech.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TAGGED_RCPT(0.00)[]; RCVD_TLS_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:mid,suse.cz:email,imap1.dmz-prg2.suse.org:helo]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_SEVEN(0.00)[8]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO X-Spam-Score: -1.30 X-Spam-Level: Content-Type: text/plain; charset="utf-8" Constants from are used only in userspace tools, they are from ISO C99, let's don't report it: arch/mips/boot/tools/relocs.c:572: CHECK: Avoid CamelCase: arch/s390/tools/relocs.c:52: CHECK: Avoid CamelCase: tools/testing/selftests/mm/vm_util.c:244: CHECK: Avoid CamelCase: Signed-off-by: Petr Vorel --- The same as in v3. scripts/checkpatch.pl | 2 ++ 1 file changed, 2 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 1c6ef46bae1e..ff99265056f8 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5947,6 +5947,8 @@ sub process { #Ignore SI style variants like nS, mV and dB #(ie: max_uV, regulator_min_uA_show, RANGE_mA_VALUE) $var !~ /^(?:[a-z0-9_]*|[A-Z0-9_]*)?_?[a-z][A-Z](?:_[a-z0-9_]+|_[A-= Z0-9_]+)?$/ && +#Ignore format macros (e.g. PRIu64, SCNu64) + (is_userspace($realfile) ? $var !~ /^(?:PRI|SCN)[dioux][A-Z0-9]+$/ = : 1) && #Ignore some three character SI units explicitly, like MiB and KHz $var !~ /^(?:[a-z_]*?)_?(?:[KMGT]iB|[KMGT]?Hz)(?:_[a-z_]+)?$/) { while ($var =3D~ m{\b($Ident)}g) { --=20 2.55.0 From nobody Tue Sep 29 08:26:18 2026 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A78BF42C4F8 for ; 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Mon, 10 Aug 2026 16:45:57 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 4MLtBUUAemrAWAAAD6G6ig (envelope-from ); Mon, 10 Aug 2026 16:45:57 +0000 From: Petr Vorel To: linux-kernel@vger.kernel.org Cc: Petr Vorel , Andrew Morton , Andy Whitcroft , Joe Perches , Dwaipayan Ray , Lukas Bulwahn , Cryolitia PukNgae Subject: [PATCH v4 3/3] checkpatch: Add new option to force userspace Date: Mon, 10 Aug 2026 18:45:52 +0200 Message-ID: <20260810164552.1049483-4-pvorel@suse.cz> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260810164552.1049483-1-pvorel@suse.cz> References: <20260810164552.1049483-1-pvorel@suse.cz> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -1.30 X-Spam-Level: X-Spam-Flag: NO X-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_TWO(0.00)[2]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[suse.cz,linux-foundation.org,canonical.com,perches.com,gmail.com,uniontech.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TAGGED_RCPT(0.00)[]; RCVD_TLS_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email,suse.cz:mid,checkpatch.pl:url,imap1.dmz-prg2.suse.org:helo]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_SEVEN(0.00)[8]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] Content-Type: text/plain; charset="utf-8" Also allow to use --no-userspace for userspace projects which vendored checkpatch.pl and use --userspace globally to be able switch it off for some files. Signed-off-by: Petr Vorel --- Changes v3->v4: * Allow to use --no-userspace (sashiko) scripts/checkpatch.pl | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index ff99265056f8..4b6250f6a614 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -63,6 +63,7 @@ my $env_config_dir =3D 'CHECKPATCH_CONFIG_DIR'; my $max_line_length =3D 100; my $ignore_perl_version =3D 0; my $spdx_cxx_comments =3D 0; +my $userspace =3D 0; my $minimum_perl_version =3D 5.10.0; my $min_conf_desc_length =3D 4; my $spelling_file =3D "$D/spelling.txt"; @@ -143,6 +144,7 @@ Options: (required by old toolchains), allow also C++ comments (//). NOTE: it should *not* be used for Linux mainl= ine. + --userspace Force rules specific for userspace. --codespell Use the codespell dictionary for spelling/typ= os (default:$codespellfile) --codespellfile Use this codespell dictionary @@ -358,6 +360,7 @@ GetOptions( 'codespell!' =3D> \$codespell, 'codespellfile=3Ds' =3D> \$user_codespellfile, 'typedefsfile=3Ds' =3D> \$typedefsfile, + 'userspace!' =3D> \$userspace, 'color=3Ds' =3D> \$color, 'no-color' =3D> \$color, #keep old behaviors of -nocolor 'nocolor' =3D> \$color, #keep old behaviors of -nocolor @@ -2665,7 +2668,8 @@ sub exclude_global_initialisers { =20 sub is_userspace { my ($realfile) =3D @_; - return ($realfile =3D~ m@^tools/@ || + return ($userspace || + $realfile =3D~ m@^tools/@ || $realfile =3D~ m@^scripts/@ || $realfile =3D~ m@^arch/.*\btools\b@); } --=20 2.55.0