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From: Markus Elfring <Markus.Elfring@web.de>
To: Matthias Maennich <maennich@google.com>,
	cocci@systeme.lip6.fr, kernel-janitors@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Julia Lawall <Julia.Lawall@lip6.fr>,
	Martijn Coenen <maco@android.com>,
	linux-arch@vger.kernel.org, linux-kbuild@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
	linux-modules@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-usb@vger.kernel.org, kernel-team@android.com,
	usb-storage@lists.one-eyed-alien.net, x86@kernel.org,
	Alan Stern <stern@rowland.harvard.edu>,
	Arnd Bergmann <arnd@arndb.de>,
	"David S. Miller" <davem@davemloft.net>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Gilles Muller <Gilles.Muller@lip6.fr>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
	Jessica Yu <jeyu@kernel.org>,
	Joel Fernandes <joel@joelfernandes.org>,
	Jonathan Cameron <Jonathan.Cameron@hua>
Subject: Re: [v2 08/10] scripts: Coccinelle script for namespace dependencies
Date: Thu, 22 Aug 2019 13:00:52 +0200	[thread overview]
Message-ID: <796bc082-7708-172e-df1e-13447ef6b577@web.de> (raw)
In-Reply-To: <20190822091858.GA60652@google.com>

> $srctree is defined by kbuild in the toplevel Makefile.

How is this variable passed to the file “scripts/nsdeps”?


>> * Would you like to support a separate build directory for desired adjustments?
>
> No, as the purpose of this script is to directly patch the kernel
> sources where applicable.

Will there occasionally be a need to provide a generated patch
(without in-place file modification)?


>> I suggest to assign the name for the temporary file to a variable
>> which should be used by subsequent commands.
>
> I somehow don't agree that this is an improvement to the code as the
> variable would likely be something like ${source_file_tmp}.

Would you dare to choose a shorter variable name?


> ${source_file}.tmp does express the intent of a temporary file next to
> the original source file and the reader of the code does not need to
> reason about the value of ${source_file_tmp}.

I would find a code variant with less suffix repetition nicer.

Regards,
Markus

WARNING: multiple messages have this Message-ID (diff)
From: Markus Elfring <Markus.Elfring@web.de>
To: Matthias Maennich <maennich@google.com>,
	cocci@systeme.lip6.fr, kernel-janitors@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Julia Lawall <Julia.Lawall@lip6.fr>,
	Martijn Coenen <maco@android.com>,
	linux-arch@vger.kernel.org, linux-kbuild@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
	linux-modules@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-usb@vger.kernel.org, kernel-team@android.com,
	usb-storage@lists.one-eyed-alien.net, x86@kernel.org,
	Alan Stern <stern@rowland.harvard.edu>,
	Arnd Bergmann <arnd@arndb.de>,
	"David S. Miller" <davem@davemloft.net>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Gilles Muller <Gilles.Muller@lip6.fr>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
	Jessica Yu <jeyu@kernel.org>,
	Joel Fernandes <joel@joelfernandes.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Lucas De Marchi <lucas.de.marchi@gmail.com>,
	Martijn Coenen <maco@google.com>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	Michal Marek <michal.lkml@markovi.net>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Nicolas Palix <nicolas.palix@imag.fr>,
	Oliver Neukum <oneukum@suse.com>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Sandeep Patil <sspatil@google.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [v2 08/10] scripts: Coccinelle script for namespace dependencies
Date: Thu, 22 Aug 2019 13:00:52 +0200	[thread overview]
Message-ID: <796bc082-7708-172e-df1e-13447ef6b577@web.de> (raw)
Message-ID: <20190822110052.LvBZIs3qfsSjbpLDS2WPbgeTPKh97e_ZFtSA83IRR4U@z> (raw)
In-Reply-To: <20190822091858.GA60652@google.com>

> $srctree is defined by kbuild in the toplevel Makefile.

How is this variable passed to the file “scripts/nsdeps”?


>> * Would you like to support a separate build directory for desired adjustments?
>
> No, as the purpose of this script is to directly patch the kernel
> sources where applicable.

Will there occasionally be a need to provide a generated patch
(without in-place file modification)?


>> I suggest to assign the name for the temporary file to a variable
>> which should be used by subsequent commands.
>
> I somehow don't agree that this is an improvement to the code as the
> variable would likely be something like ${source_file_tmp}.

Would you dare to choose a shorter variable name?


> ${source_file}.tmp does express the intent of a temporary file next to
> the original source file and the reader of the code does not need to
> reason about the value of ${source_file_tmp}.

I would find a code variant with less suffix repetition nicer.

Regards,
Markus

  parent reply	other threads:[~2019-08-22 11:00 UTC|newest]

Thread overview: 182+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-16 12:21 [PATCH 0/6] Symbol namespaces Martijn Coenen
2018-07-16 12:21 ` Martijn Coenen
2018-07-16 12:21 ` [PATCH 1/6] export: explicitly align struct kernel_symbol Martijn Coenen
2018-07-16 12:21   ` Martijn Coenen
2018-07-16 12:21 ` [PATCH 2/6] module: add support for symbol namespaces Martijn Coenen
2018-07-16 12:21   ` Martijn Coenen
2018-07-19 16:32   ` Jessica Yu
2018-07-19 16:32     ` Jessica Yu
2018-07-20  7:54     ` Martijn Coenen
2018-07-20  7:54       ` Martijn Coenen
2018-07-20 14:49       ` Jessica Yu
2018-07-20 14:49         ` Jessica Yu
2018-07-20 15:42         ` Martijn Coenen
2018-07-20 15:42           ` Martijn Coenen
2018-07-23 11:12           ` Jessica Yu
2018-07-23 11:12             ` Jessica Yu
2018-07-24  7:44             ` Martijn Coenen
2018-07-24  7:44               ` Martijn Coenen
2018-07-24  7:56   ` Martijn Coenen
2018-07-24  7:56     ` Martijn Coenen
2018-07-25 15:55     ` Jessica Yu
2018-07-25 15:55       ` Jessica Yu
2018-07-25 16:48       ` Lucas De Marchi
2018-07-25 16:48         ` Lucas De Marchi
2018-07-26  7:44         ` Martijn Coenen
2018-07-26  7:44           ` Martijn Coenen
2018-07-16 12:21 ` [PATCH 3/6] modpost: add support for checking " Martijn Coenen
2018-07-16 12:21   ` Martijn Coenen
2018-07-16 12:21 ` [PATCH 4/6] modpost: add support for generating namespace dependencies Martijn Coenen
2018-07-16 12:21   ` Martijn Coenen
2018-07-23  6:49   ` Jessica Yu
2018-07-23  6:49     ` Jessica Yu
2018-07-16 12:21 ` [PATCH 5/6] scripts: Coccinelle script for " Martijn Coenen
2018-07-16 12:21   ` Martijn Coenen
2018-07-16 12:21 ` [PATCH 6/6] RFC: USB: storage: move symbols into USB_STORAGE namespace Martijn Coenen
2018-07-16 12:21   ` Martijn Coenen
2018-07-16 15:33 ` [PATCH 0/6] Symbol namespaces Greg Kroah-Hartman
2018-07-16 15:33   ` Greg Kroah-Hartman
2018-07-23 14:28 ` Arnd Bergmann
2018-07-23 14:28   ` Arnd Bergmann
2018-07-24  8:09   ` Martijn Coenen
2018-07-24  8:09     ` Martijn Coenen
2018-07-24  9:08     ` Arnd Bergmann
2018-07-24  9:08       ` Arnd Bergmann
2019-08-13 12:16 ` [PATCH v2 0/10] Symbol namespaces - RFC Matthias Maennich
2019-08-13 12:16   ` Matthias Maennich
2019-08-13 12:16   ` [PATCH v2 01/10] module: support reading multiple values per modinfo tag Matthias Maennich
2019-08-13 12:16     ` Matthias Maennich
2019-08-13 12:40     ` Greg KH
2019-08-13 12:40       ` Greg KH
2019-08-13 12:16   ` [PATCH v2 02/10] export: explicitly align struct kernel_symbol Matthias Maennich
2019-08-13 12:16     ` Matthias Maennich
2019-08-13 12:41     ` Greg KH
2019-08-13 12:41       ` Greg KH
2019-08-13 12:17   ` [PATCH v2 03/10] module: add support for symbol namespaces Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 15:26     ` Greg KH
2019-08-13 15:26       ` Greg KH
2019-08-13 12:17   ` [PATCH v2 04/10] modpost: " Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 15:27     ` Greg KH
2019-08-13 15:27       ` Greg KH
2019-08-13 12:17   ` [PATCH v2 05/10] module: add config option MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 18:17     ` Greg KH
2019-08-13 18:17       ` Greg KH
2019-08-13 20:15     ` Saravana Kannan
2019-08-13 20:15       ` Saravana Kannan
2019-08-14 12:54       ` Matthias Maennich
2019-08-14 12:54         ` Matthias Maennich
2019-08-14 17:34         ` Saravana Kannan
2019-08-14 17:34           ` Saravana Kannan
2019-08-13 12:17   ` [PATCH v2 06/10] export: allow definition default namespaces in Makefiles or sources Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 18:16     ` Greg KH
2019-08-13 18:16       ` Greg KH
2019-08-13 18:16     ` Greg KH
2019-08-13 18:16       ` Greg KH
2019-08-13 12:17   ` [PATCH v2 07/10] modpost: add support for generating namespace dependencies Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 18:21     ` Greg KH
2019-08-13 18:21       ` Greg KH
2019-08-13 12:17   ` [PATCH v2 08/10] scripts: Coccinelle script for " Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 12:31     ` Julia Lawall
2019-08-13 12:31       ` Julia Lawall
2019-08-13 12:44     ` Greg KH
2019-08-13 12:44       ` Greg KH
2019-08-14  6:36     ` [Cocci] " Himanshu Jha
2019-08-14  6:36       ` Himanshu Jha
2019-08-14  8:03       ` Matthias Maennich
2019-08-14  8:03         ` Matthias Maennich
2019-08-14 12:00     ` [v2 " Markus Elfring
2019-08-14 12:00       ` Markus Elfring
2019-08-14 12:20       ` Matthias Maennich
2019-08-15 13:50     ` Markus Elfring
2019-08-15 13:50       ` Markus Elfring
2019-08-22  9:18       ` Matthias Maennich
2019-08-22  9:18         ` Matthias Maennich
2019-08-22 11:00         ` Markus Elfring [this message]
2019-08-22 11:00           ` Markus Elfring
2019-08-13 12:17   ` [PATCH v2 09/10] usb-storage: remove single-use define for debugging Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 12:42     ` Greg KH
2019-08-13 12:42       ` Greg KH
2019-08-13 13:12       ` Greg KH
2019-08-13 13:12         ` Greg KH
2019-08-13 12:17   ` [PATCH v2 10/10] RFC: usb-storage: export symbols in USB_STORAGE namespace Matthias Maennich
2019-08-13 12:17     ` Matthias Maennich
2019-08-13 12:45     ` Greg KH
2019-08-13 12:45       ` Greg KH
2019-08-13 12:47     ` Greg KH
2019-08-13 12:47       ` Greg KH
2019-08-13 15:02       ` Matthias Maennich
2019-08-13 15:02         ` Matthias Maennich
     [not found]   ` <20190813121733.52480-1-maennich-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2019-08-21 11:49     ` [PATCH v3 00/11] Symbol Namespaces Matthias Maennich
2019-08-21 11:49       ` [PATCH v3 01/11] module: support reading multiple values per modinfo tag Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-21 11:49       ` [PATCH v3 02/11] export: explicitly align struct kernel_symbol Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-21 11:49       ` [PATCH v3 03/11] module: add support for symbol namespaces Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-27 15:37         ` Jessica Yu
2019-08-27 15:37           ` Jessica Yu
2019-08-27 16:04           ` Matthias Maennich
2019-08-27 16:04             ` Matthias Maennich
2019-08-21 11:49       ` [PATCH v3 04/11] modpost: " Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-26 16:21         ` Jessica Yu
2019-08-26 16:21           ` Jessica Yu
2019-08-27 14:41           ` Matthias Maennich
2019-08-27 14:41             ` Matthias Maennich
2019-08-28  9:43             ` Jessica Yu
2019-08-28  9:43               ` Jessica Yu
2019-08-28  9:55               ` Matthias Maennich
2019-08-28  9:55                 ` Matthias Maennich
2019-08-28 10:16                 ` Jessica Yu
2019-08-28 10:16                   ` Jessica Yu
2019-08-21 11:49       ` [PATCH v3 05/11] module: add config option MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-21 11:49       ` [PATCH v3 06/11] export: allow definition default namespaces in Makefiles or sources Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-28 10:49         ` Jessica Yu
2019-08-28 10:49           ` Jessica Yu
2019-08-28 10:56           ` Matthias Maennich
2019-08-28 10:56             ` Matthias Maennich
2019-08-21 11:49       ` [PATCH v3 07/11] modpost: add support for generating namespace dependencies Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-21 11:49       ` [PATCH v3 08/11] scripts: Coccinelle script for " Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-22  6:09         ` [v3 " Markus Elfring
2019-08-22  6:09           ` Markus Elfring
2019-08-29 12:13         ` [PATCH v3 " Jessica Yu
2019-08-29 12:13           ` Jessica Yu
2019-08-21 11:49       ` [PATCH v3 09/11] usb-storage: remove single-use define for debugging Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-21 12:37         ` Greg KH
2019-08-21 12:37           ` Greg KH
2019-08-21 13:21         ` Thomas Gleixner
2019-08-21 13:21           ` Thomas Gleixner
2019-08-21 13:32           ` Greg KH
2019-08-21 13:32             ` Greg KH
2019-08-21 11:49       ` [PATCH v3 10/11] RFC: usb-storage: export symbols in USB_STORAGE namespace Matthias Maennich
2019-08-21 11:49         ` Matthias Maennich
2019-08-21 12:38         ` Greg KH
2019-08-21 12:38           ` Greg KH
2019-08-21 14:36           ` Jessica Yu
2019-08-21 14:36             ` Jessica Yu
2019-08-21 23:13         ` Christoph Hellwig
2019-08-21 23:13           ` Christoph Hellwig
2019-08-22  8:32           ` Matthias Maennich
2019-08-22  8:32             ` Matthias Maennich
     [not found]       ` <20190821114955.12788-1-maennich-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2019-08-21 11:49         ` [PATCH v3 11/11] RFC: watchdog: export core symbols in WATCHDOG_CORE namespace Matthias Maennich
     [not found]           ` <20190821114955.12788-12-maennich-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2019-08-21 12:39             ` Greg KH
2019-08-21 14:59             ` Guenter Roeck
     [not found]               ` <20190821145911.GA6521-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
2019-08-21 16:28                 ` Matthias Maennich
2019-08-21 12:46         ` [PATCH v3 00/11] Symbol Namespaces Nicolas Pitre
     [not found]           ` <nycvar.YSQ.7.76.1908210840490.19480-fMhRO7WWcppj+hNMo8g0rg@public.gmane.org>
2019-08-21 13:37             ` Greg KH
     [not found]               ` <20190821133737.GB4890-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2019-08-21 20:48                 ` Nicolas Pitre
2019-08-21 13:11         ` Peter Zijlstra
     [not found]           ` <20190821131140.GC2349-Nxj+rRp3nVydTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2019-08-21 13:38             ` Greg KH
     [not found]               ` <20190821133846.GC4890-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2019-08-21 14:03                 ` Matthias Maennich

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