From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Philippe Ombredanne <pombredanne@nexb.com>,
Kate Stewart <kstewart@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Hans Verkuil <hans.verkuil@cisco.com>,
Mauro Carvalho Chehab <mchehab@s-opensource.com>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [patch V2 7/7] scripts: Add SPDX checker script
Date: Thu, 26 Apr 2018 09:02:46 +0200 [thread overview]
Message-ID: <20180426070246.GL14025@kroah.com> (raw)
In-Reply-To: <20180425203703.650160358@linutronix.de>
On Wed, Apr 25, 2018 at 10:30:27PM +0200, Thomas Gleixner wrote:
> The SPDX-License-Identifiers are growing in the kernel and so grow
> expression failures and license IDs are used which have no corresponding
> license text file in the LICENSES directory.
>
> Add a script which gathers information from the LICENSES directory,
> i.e. the various tags in the licenses and exception files and then scans
> either input from stdin, which it treats as a single file or if started
> without arguments it scans the full kernel tree.
>
> It checks whether the license expression syntax is correct and also
> validates whether the license identifiers used in the expressions are
> available in the LICENSES files.
>
> # scripts/spdxcheck.py -h
> usage: spdxcheck.py [-h] [-m MAXLINES] [-s] [-v]
>
> SPDX expression checker
>
> optional arguments:
> -h, --help show this help message and exit
> -m MAXLINES, --maxlines MAXLINES
> Maximum number of lines to scan in a file. Default 15
> -s, --stdin Read from stdin. If not set scan full git tree.
> -v, --verbose Verbose statistics output
>
>
> # scripts/spdxcheck.py -s <COPYING
>
> # scripts/spdxcheck.py -s <include/dt-bindings/reset/amlogic,meson-axg-reset.h
> include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
>
> # scripts/spdxcheck.py
> arch/arm/mach-s3c24xx/h1940-bluetooth.c: 1:28 Invalid License ID: GPL-1.0
> arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0
> drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2.
> include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
> arch/x86/include/asm/jailhouse_para.h: 1:28 Invalid License ID: GPL2.0
>
> # time scripts/spdxcheck.py -v
> arch/arm/mach-s3c24xx/h1940-bluetooth.c: 1:28 Invalid License ID: GPL-1.0
> arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0
> drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2.
> include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
> arch/x86/include/asm/jailhouse_para.h: 1:28 Invalid License ID: GPL2.0
>
> License files: 14
> Exception files: 1
> License IDs 19
> Exception IDs 1
>
> Files checked: 61332
> Lines checked: 669181
> Files with SPDX: 16169
> Files with errors: 5
>
> real 0m2.642s
> user 0m2.231s
> sys 0m0.467s
>
> That's a full tree sweep on my laptop. Note, this runs single threaded.
>
> It scans by default the first 15 lines for a SPDX identifier where the
> current max inside a top comment is at line 10. But that's going to be
> faster once the identifiers are all in the first two lines as documented.
>
> The python wizards will surely know how to do that smarter and faster, but
> its at least better than no tool at all.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Very nice, thanks for writing this.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2018-04-26 7:02 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-25 20:30 [patch V2 0/7] LICENSES: Add missing License Text and provide a checker script Thomas Gleixner
2018-04-25 20:30 ` [patch V2 1/7] LICENSES/GPL2.0: Add GPL-2.0-only/or-later as valid identifiers Thomas Gleixner
2018-04-26 7:00 ` Greg Kroah-Hartman
2018-04-26 9:52 ` Mauro Carvalho Chehab
2018-04-25 20:30 ` [patch V2 2/7] LICENSES: Add X11 license Thomas Gleixner
2018-04-26 7:00 ` Greg Kroah-Hartman
2018-04-25 20:30 ` [patch V2 3/7] LICENSES: Add Apache 2.0 license text Thomas Gleixner
2018-04-26 7:00 ` Greg Kroah-Hartman
2018-04-26 14:30 ` Kate Stewart
2018-04-25 20:30 ` [patch V2 4/7] LICENSES: Add CDDL-1.0 " Thomas Gleixner
2018-04-26 7:01 ` Greg Kroah-Hartman
2018-04-26 14:29 ` Kate Stewart
2018-04-25 20:30 ` [patch V2 5/7] LICENSES: Add CC-BY-SA-4.0 " Thomas Gleixner
2018-04-26 7:01 ` Greg Kroah-Hartman
2018-04-26 14:27 ` Kate Stewart
2018-04-25 20:30 ` [patch V2 6/7] LICENSES: Add Linux-OpenIB " Thomas Gleixner
2018-04-26 7:01 ` Greg Kroah-Hartman
2018-04-26 14:24 ` Kate Stewart
2018-04-25 20:30 ` [patch V2 7/7] scripts: Add SPDX checker script Thomas Gleixner
2018-04-26 7:02 ` Greg Kroah-Hartman [this message]
2018-04-26 13:54 ` [patch V3 " Thomas Gleixner
2018-04-26 17:04 ` Greg Kroah-Hartman
2018-04-26 18:43 ` Thomas Gleixner
2018-05-14 14:35 ` [patch V2 " Philippe Ombredanne
2018-08-28 9:19 ` Geert Uytterhoeven
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