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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: "Pali Rohár" <pali.rohar@gmail.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>,
	Will Deacon <will.deacon@arm.com>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
	Sebastian Reichel <sre@debian.org>, Pavel Machek <pavel@ucw.cz>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Rob Herring <robherring2@gmail.com>,
	Fabio Estevam <festevam@gmail.com>,
	Aaro Koskinen <aaro.koskinen@iki.fi>
Subject: Re: [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible
Date: Fri, 5 Sep 2014 13:13:16 +0100	[thread overview]
Message-ID: <20140905121316.GI30401@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <201409051338.40988@pali>

On Fri, Sep 05, 2014 at 01:38:40PM +0200, Pali Rohár wrote:
> On Wednesday 18 June 2014 18:54:24 Pali Rohár wrote:
> > Machine name from board description is some generic name on DT
> > kernel. DT provides machine name property which is specific
> > for board, so use it instead generic one when possible.
> > 
> > Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
> > ---
> >  arch/arm/kernel/setup.c |    7 +++++--
> >  1 file changed, 5 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
> > index 8a16ee5..fbc7b4f 100644
> > --- a/arch/arm/kernel/setup.c
> > +++ b/arch/arm/kernel/setup.c
> > @@ -875,10 +875,13 @@ void __init setup_arch(char **cmdline_p)
> > 
> >  	setup_processor();
> >  	mdesc = setup_machine_fdt(__atags_pointer);
> > -	if (!mdesc)
> > +	if (mdesc)
> > +		machine_name = of_flat_dt_get_machine_name();
> > +	else
> >  		mdesc = setup_machine_tags(__atags_pointer,
> > __machine_arch_type); machine_desc = mdesc;
> > -	machine_name = mdesc->name;
> > +	if (!machine_name)
> > +		machine_name = mdesc->name;
> > 
> >  	if (mdesc->reboot_mode != REBOOT_HARD)
> >  		reboot_mode = mdesc->reboot_mode;
> 
> So, do you really want to break userspace which reading file 
> /proc/cpuinfo (after migration from boardcode --> DT)?
> 
> I still do not see reason for that. And only this one file is 
> problematic...

Sorry, I just don't give a damn about your whinging about this.  I've
made the situation perfectly clear.  Your patch will not be accepted.

Thanks.

-- 
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.

WARNING: multiple messages have this Message-ID (diff)
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible
Date: Fri, 5 Sep 2014 13:13:16 +0100	[thread overview]
Message-ID: <20140905121316.GI30401@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <201409051338.40988@pali>

On Fri, Sep 05, 2014 at 01:38:40PM +0200, Pali Roh?r wrote:
> On Wednesday 18 June 2014 18:54:24 Pali Roh?r wrote:
> > Machine name from board description is some generic name on DT
> > kernel. DT provides machine name property which is specific
> > for board, so use it instead generic one when possible.
> > 
> > Signed-off-by: Pali Roh?r <pali.rohar@gmail.com>
> > ---
> >  arch/arm/kernel/setup.c |    7 +++++--
> >  1 file changed, 5 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
> > index 8a16ee5..fbc7b4f 100644
> > --- a/arch/arm/kernel/setup.c
> > +++ b/arch/arm/kernel/setup.c
> > @@ -875,10 +875,13 @@ void __init setup_arch(char **cmdline_p)
> > 
> >  	setup_processor();
> >  	mdesc = setup_machine_fdt(__atags_pointer);
> > -	if (!mdesc)
> > +	if (mdesc)
> > +		machine_name = of_flat_dt_get_machine_name();
> > +	else
> >  		mdesc = setup_machine_tags(__atags_pointer,
> > __machine_arch_type); machine_desc = mdesc;
> > -	machine_name = mdesc->name;
> > +	if (!machine_name)
> > +		machine_name = mdesc->name;
> > 
> >  	if (mdesc->reboot_mode != REBOOT_HARD)
> >  		reboot_mode = mdesc->reboot_mode;
> 
> So, do you really want to break userspace which reading file 
> /proc/cpuinfo (after migration from boardcode --> DT)?
> 
> I still do not see reason for that. And only this one file is 
> problematic...

Sorry, I just don't give a damn about your whinging about this.  I've
made the situation perfectly clear.  Your patch will not be accepted.

Thanks.

-- 
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.

  reply	other threads:[~2014-09-05 12:13 UTC|newest]

Thread overview: 197+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-18 16:54 [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible Pali Rohár
2014-06-18 16:54 ` Pali Rohár
2014-06-18 19:01 ` Russell King - ARM Linux
2014-06-18 19:01   ` Russell King - ARM Linux
2014-06-18 19:09   ` Pali Rohár
2014-06-18 19:09     ` Pali Rohár
2014-06-18 19:59     ` Russell King - ARM Linux
2014-06-18 19:59       ` Russell King - ARM Linux
2014-06-19  8:21       ` Pavel Machek
2014-06-19  8:21         ` Pavel Machek
2014-07-11 19:31       ` Pavel Machek
2014-07-11 19:31         ` Pavel Machek
2014-06-18 19:07 ` Rob Herring
2014-06-18 19:07   ` Rob Herring
2014-06-18 19:22   ` Pali Rohár
2014-06-18 19:22     ` Pali Rohár
2014-06-18 20:00     ` Russell King - ARM Linux
2014-06-18 20:00       ` Russell King - ARM Linux
2014-06-18 20:20       ` Pali Rohár
2014-06-18 20:20         ` Pali Rohár
2014-06-18 21:53         ` Fabio Estevam
2014-06-18 21:53           ` Fabio Estevam
2014-11-24 22:16           ` Pali Rohár
2014-11-24 22:16             ` Pali Rohár
2014-06-18 20:46     ` Rob Herring
2014-06-18 20:46       ` Rob Herring
2014-06-18 21:47       ` Russell King - ARM Linux
2014-06-18 21:47         ` Russell King - ARM Linux
2014-06-18 22:27         ` Rob Herring
2014-06-18 22:27           ` Rob Herring
2014-06-18 23:07           ` Russell King - ARM Linux
2014-06-18 23:07             ` Russell King - ARM Linux
2014-11-24 22:19       ` Pali Rohár
2014-11-24 22:19         ` Pali Rohár
2014-12-04  0:33         ` Rob Herring
2014-12-04  0:33           ` Rob Herring
2014-12-04  0:48           ` Pali Rohár
2014-12-04  0:48             ` Pali Rohár
2014-12-04 16:49             ` Rob Herring
2014-12-04 16:49               ` Rob Herring
2014-12-04 17:57               ` Pali Rohár
2014-12-04 17:57                 ` Pali Rohár
2014-12-04 18:10                 ` Rob Herring
2014-12-04 18:10                   ` Rob Herring
2015-01-26 19:09                   ` [PATCH] ARM: /proc/cpuinfo: DT: Add support for Revision Pali Rohár
2015-01-26 19:09                     ` Pali Rohár
2015-01-26 20:22                     ` Rob Herring
2015-01-26 20:22                       ` Rob Herring
2015-01-30 14:14                       ` Pali Rohár
2015-01-30 14:14                         ` Pali Rohár
2015-01-30 21:03                         ` Rob Herring
2015-01-30 21:03                           ` Rob Herring
2015-02-27 15:45                           ` Pali Rohár
2015-02-27 15:45                             ` Pali Rohár
2015-02-27 15:55                             ` [PATCH v2 0/2] " Pali Rohár
2015-02-27 15:55                               ` Pali Rohár
2015-02-27 15:55                               ` [PATCH v2 1/2] arm: devtree: Set system_rev from DT revision Pali Rohár
2015-02-27 15:55                                 ` Pali Rohár
2015-02-27 15:55                               ` [PATCH v2 2/2] arm: boot: convert ATAG_REVISION to DT revision field Pali Rohár
2015-02-27 15:55                                 ` Pali Rohár
2015-03-02 11:28                               ` [PATCH v2 0/2] ARM: /proc/cpuinfo: DT: Add support for Revision Pavel Machek
2015-03-02 11:28                                 ` Pavel Machek
2015-03-16 15:44                                 ` Tony Lindgren
2015-03-16 15:44                                   ` Tony Lindgren
2015-03-16 16:14                                   ` Russell King - ARM Linux
2015-03-16 16:14                                     ` Russell King - ARM Linux
2015-03-16 16:43                                     ` Nicolas Pitre
2015-03-16 16:43                                       ` Nicolas Pitre
2015-03-16 19:21                                       ` Russell King - ARM Linux
2015-03-16 19:21                                         ` Russell King - ARM Linux
2015-03-16 18:10                                     ` Tony Lindgren
2015-03-16 18:10                                       ` Tony Lindgren
2015-03-16 19:59                                       ` Russell King - ARM Linux
2015-03-16 19:59                                         ` Russell King - ARM Linux
2015-03-16 20:54                                         ` Pali Rohár
2015-03-16 20:54                                           ` Pali Rohár
2015-03-16 20:59                                           ` Tony Lindgren
2015-03-16 20:59                                             ` Tony Lindgren
2015-01-26 22:34                     ` [PATCH] " Andreas Färber
2015-01-26 22:34                       ` Andreas Färber
2015-02-27 15:56                       ` Pali Rohár
2015-02-27 15:56                         ` Pali Rohár
2015-01-26 19:16                   ` [PATCH] ARM: /proc/atags: Export also for DT Pali Rohár
2015-01-26 19:16                     ` Pali Rohár
2015-01-26 20:33                     ` Rob Herring
2015-01-26 20:33                       ` Rob Herring
2015-01-27 13:21                       ` Pavel Machek
2015-01-27 13:21                         ` Pavel Machek
2015-01-27 14:16                         ` Rob Herring
2015-01-27 14:16                           ` Rob Herring
2015-01-27 14:24                           ` Pavel Machek
2015-01-27 14:24                             ` Pavel Machek
2015-01-27 14:32                           ` Pali Rohár
2015-01-27 14:32                             ` Pali Rohár
2015-01-27 17:48                             ` Russell King - ARM Linux
2015-01-27 17:48                               ` Russell King - ARM Linux
2015-01-27 20:03                               ` Nicolas Pitre
2015-01-27 20:03                                 ` Nicolas Pitre
2015-01-27 21:09                                 ` Russell King - ARM Linux
2015-01-27 21:09                                   ` Russell King - ARM Linux
2015-01-27 21:34                                   ` Nicolas Pitre
2015-01-27 21:34                                     ` Nicolas Pitre
2015-01-27 21:58                                     ` Nicolas Pitre
2015-01-27 21:58                                       ` Nicolas Pitre
2015-01-27 22:33                                     ` Russell King - ARM Linux
2015-01-27 22:33                                       ` Russell King - ARM Linux
2015-01-28  2:07                                       ` Nicolas Pitre
2015-01-28  2:07                                         ` Nicolas Pitre
2015-01-28  6:21                                         ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28  6:21                                           ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28  7:19                                           ` Pavel Machek
2015-01-28  7:19                                             ` Pavel Machek
2015-01-28  8:06                                             ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28  8:06                                               ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28  8:25                                               ` Pavel Machek
2015-01-28  8:25                                                 ` Pavel Machek
2015-01-28  7:18                                         ` Pavel Machek
2015-01-28  7:18                                           ` Pavel Machek
2015-01-28 13:38                                         ` Pali Rohár
2015-01-28 13:38                                           ` Pali Rohár
2015-01-27 23:10                                     ` Pavel Machek
2015-01-27 23:10                                       ` Pavel Machek
2015-01-28  0:50                               ` Tony Lindgren
2015-01-28  0:50                                 ` Tony Lindgren
2015-01-28 13:58                                 ` Pali Rohár
2015-01-28 13:58                                   ` Pali Rohár
2015-01-28 14:33                                   ` Nicolas Pitre
2015-01-28 15:39                                     ` Tony Lindgren
2015-01-28 15:39                                       ` Tony Lindgren
2015-01-28 15:47                                       ` Pali Rohár
2015-01-28 15:47                                         ` Pali Rohár
2015-01-28 15:48                                         ` Tony Lindgren
2015-01-28 15:48                                           ` Tony Lindgren
2015-01-28 16:31                                           ` Jason Cooper
2015-01-28 16:31                                             ` Jason Cooper
2015-01-28 15:57                                     ` Rob Herring
2015-01-28 15:57                                       ` Rob Herring
2015-01-28 16:13                                       ` Russell King - ARM Linux
2015-01-28 16:13                                         ` Russell King - ARM Linux
2015-01-28 16:19                                         ` Will Deacon
2015-01-28 16:19                                           ` Will Deacon
2015-01-28 17:01                                           ` Russell King - ARM Linux
2015-01-28 17:01                                             ` Russell King - ARM Linux
2015-01-28 17:29                                           ` Russell King - ARM Linux
2015-01-28 17:29                                             ` Russell King - ARM Linux
2015-01-28 17:18                                       ` Pali Rohár
2015-01-28 17:18                                         ` Pali Rohár
2015-01-28 18:00                                       ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 18:00                                         ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 19:33                                         ` Pali Rohár
2015-01-28 19:33                                           ` Pali Rohár
2015-01-28 18:03                                       ` Pavel Machek
2015-01-28 18:03                                         ` Pavel Machek
2015-01-28 19:27                                         ` Arnd Bergmann
2015-01-28 19:27                                           ` Arnd Bergmann
2015-01-28 14:46                                   ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 14:46                                     ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-27 19:40                         ` Nicolas Pitre
2015-01-27 19:40                           ` Nicolas Pitre
2015-01-26 20:37                     ` Russell King - ARM Linux
2015-01-26 20:37                       ` Russell King - ARM Linux
2015-01-26 20:44                       ` Pali Rohár
2015-01-26 20:44                         ` Pali Rohár
2014-12-04 19:00               ` [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible Pali Rohár
2014-12-04 19:00                 ` Pali Rohár
2014-12-04 10:59           ` Russell King - ARM Linux
2014-12-04 10:59             ` Russell King - ARM Linux
2014-06-18 21:10     ` Aaro Koskinen
2014-06-18 21:10       ` Aaro Koskinen
2014-07-11 19:28       ` Pavel Machek
2014-07-11 19:28         ` Pavel Machek
2014-11-24 22:21       ` Pali Rohár
2014-11-24 22:21         ` Pali Rohár
2014-09-05 11:38 ` Pali Rohár
2014-09-05 11:38   ` Pali Rohár
2014-09-05 12:13   ` Russell King - ARM Linux [this message]
2014-09-05 12:13     ` Russell King - ARM Linux
2014-09-10 12:46     ` Pavel Machek
2014-09-10 12:46       ` Pavel Machek
2014-11-24 22:23       ` Pali Rohár
2014-11-24 22:23         ` Pali Rohár
2014-09-05 13:45   ` Mark Rutland
2014-09-05 13:45     ` Mark Rutland
2014-09-05 13:52     ` Pali Rohár
2014-09-05 13:52       ` Pali Rohár
2014-09-05 13:58       ` Mark Rutland
2014-09-05 13:58         ` Mark Rutland
2014-11-24 22:25         ` Pali Rohár
2014-11-24 22:25           ` Pali Rohár
2014-09-05 13:58       ` Fabio Estevam
2014-09-05 13:58         ` Fabio Estevam
2014-11-24 22:27         ` Pali Rohár
2014-11-24 22:27           ` Pali Rohár
2014-09-06 15:34       ` Andreas Färber
2014-09-06 15:34         ` Andreas Färber
2014-11-24 22:29         ` Pali Rohár
2014-11-24 22:29           ` Pali Rohár

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