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From: Matthijs van Duin <matthijsvanduin@gmail.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Tony Lindgren <tony@atomide.com>,
	Sebastian Reichel <sre@kernel.org>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
	Pavel Machek <pavel@ucw.cz>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: ARM errata 430973 on multi platform kernels
Date: Fri, 24 Apr 2015 10:54:29 +0200	[thread overview]
Message-ID: <CAALWOA_3wfn=K3qt9MzWYXMGTM7mZvqY03Biqk5T2wVF4uMVxQ@mail.gmail.com> (raw)
In-Reply-To: <20150423102542.GZ4027@n2100.arm.linux.org.uk>

On 23 April 2015 at 12:25, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> And you can't detect whether you're running in secure mode or not.

If not, you get an undefined instruction exception, which you could trap.

This may not be convenient, but "can't detect" is an overstatement.

Matthijs

WARNING: multiple messages have this Message-ID (diff)
From: matthijsvanduin@gmail.com (Matthijs van Duin)
To: linux-arm-kernel@lists.infradead.org
Subject: ARM errata 430973 on multi platform kernels
Date: Fri, 24 Apr 2015 10:54:29 +0200	[thread overview]
Message-ID: <CAALWOA_3wfn=K3qt9MzWYXMGTM7mZvqY03Biqk5T2wVF4uMVxQ@mail.gmail.com> (raw)
In-Reply-To: <20150423102542.GZ4027@n2100.arm.linux.org.uk>

On 23 April 2015 at 12:25, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> And you can't detect whether you're running in secure mode or not.

If not, you get an undefined instruction exception, which you could trap.

This may not be convenient, but "can't detect" is an overstatement.

Matthijs

  parent reply	other threads:[~2015-04-24  8:54 UTC|newest]

Thread overview: 123+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-01 19:07 [PATCH RESEND] ARM: dts: OMAP3-N900: Add microphone bias voltages Jarkko Nikula
2015-03-30 16:30 ` Jarkko Nikula
     [not found]   ` <55197A12.1050009-FVTvWyuFUl3QT0dZR+AlfA@public.gmane.org>
2015-03-30 16:42     ` Tony Lindgren
2015-03-30 17:45       ` Jarkko Nikula
     [not found]         ` <55198BA4.5010207-FVTvWyuFUl3QT0dZR+AlfA@public.gmane.org>
2015-03-30 17:50           ` Tony Lindgren
2015-03-31 12:32             ` Sebastian Reichel
2015-04-01 19:47               ` Tony Lindgren
2015-04-03 16:35                 ` ARM errata 430973 on multi platform kernels (was: OMAP3-N900: Add microphone bias voltages) Sebastian Reichel
2015-04-03 18:39                   ` Tony Lindgren
2015-04-03 18:39                     ` Tony Lindgren
2015-04-03 19:21                     ` Robert Nelson
2015-04-03 19:21                       ` Robert Nelson
2015-04-05 13:00                       ` Sebastian Reichel
2015-04-05 13:00                         ` Sebastian Reichel
2015-04-05 13:26                         ` Pali Rohár
2015-04-05 13:26                           ` Pali Rohár
2015-04-05 13:45                           ` Sebastian Reichel
2015-04-05 13:45                             ` Sebastian Reichel
2015-04-05 13:52                             ` Pali Rohár
2015-04-05 13:52                               ` Pali Rohár
2015-04-06 17:38                               ` Sebastian Reichel
2015-04-06 17:38                                 ` Sebastian Reichel
2015-04-03 20:42                   ` Pavel Machek
2015-04-03 20:42                     ` Pavel Machek
2015-04-03 22:08                   ` ARM errata 430973 on multi platform kernels Ivaylo Dimitrov
2015-04-03 22:08                     ` Ivaylo Dimitrov
2015-04-03 22:15                     ` Tony Lindgren
2015-04-03 22:15                       ` Tony Lindgren
2015-04-03 22:47                       ` Ivaylo Dimitrov
2015-04-03 22:47                         ` Ivaylo Dimitrov
2015-04-03 22:52                         ` Tony Lindgren
2015-04-03 22:52                           ` Tony Lindgren
2015-04-05  4:13                           ` Matthijs van Duin
2015-04-05  4:13                             ` Matthijs van Duin
2015-04-05  7:23                             ` Ivaylo Dimitrov
2015-04-05  7:23                               ` Ivaylo Dimitrov
2015-04-05 16:50                               ` Matthijs van Duin
2015-04-05 16:50                                 ` Matthijs van Duin
2015-04-05 16:52                                 ` Matthijs van Duin
2015-04-05 16:52                                   ` Matthijs van Duin
2015-04-05 21:08                                 ` Ivaylo Dimitrov
2015-04-05 21:08                                   ` Ivaylo Dimitrov
2015-04-05 23:52                                   ` Matthijs van Duin
2015-04-05 23:52                                     ` Matthijs van Duin
2015-04-06 15:19                                     ` Tony Lindgren
2015-04-06 15:19                                       ` Tony Lindgren
2015-04-06 15:40                                       ` Tony Lindgren
2015-04-06 15:40                                         ` Tony Lindgren
2015-04-06 17:14                                         ` Ivaylo Dimitrov
2015-04-06 17:14                                           ` Ivaylo Dimitrov
2015-04-06 17:42                                           ` Tony Lindgren
2015-04-06 17:42                                             ` Tony Lindgren
2015-04-06 18:14                                             ` Matthijs van Duin
2015-04-06 18:14                                               ` Matthijs van Duin
2015-04-07  2:23                                               ` Tony Lindgren
2015-04-07  2:23                                                 ` Tony Lindgren
2015-04-07  3:12                                                 ` Sebastian Reichel
2015-04-07  3:12                                                   ` Sebastian Reichel
2015-04-07  3:49                                                   ` Matthijs van Duin
2015-04-07  3:49                                                     ` Matthijs van Duin
2015-04-07 14:48                                                     ` Tony Lindgren
2015-04-07 14:48                                                       ` Tony Lindgren
2015-04-09 22:37                                                 ` Grazvydas Ignotas
2015-04-09 22:37                                                   ` Grazvydas Ignotas
2015-04-09 22:44                                                   ` Tony Lindgren
2015-04-09 22:44                                                     ` Tony Lindgren
2015-04-09 23:44                                                     ` Nishanth Menon
2015-04-09 23:44                                                       ` Nishanth Menon
2015-04-10 22:05                                                     ` Grazvydas Ignotas
2015-04-10 22:05                                                       ` Grazvydas Ignotas
2015-04-10 23:08                                                       ` Tony Lindgren
2015-04-10 23:08                                                         ` Tony Lindgren
2015-04-16 16:53                                                   ` Matthijs van Duin
2015-04-16 16:53                                                     ` Matthijs van Duin
2015-04-07 13:58                                               ` Russell King - ARM Linux
2015-04-07 13:58                                                 ` Russell King - ARM Linux
2015-04-07 13:57                                             ` Russell King - ARM Linux
2015-04-07 13:57                                               ` Russell King - ARM Linux
2015-04-07 15:22                                               ` Tony Lindgren
2015-04-07 15:22                                                 ` Tony Lindgren
2015-04-07 15:44                                                 ` Tony Lindgren
2015-04-07 15:44                                                   ` Tony Lindgren
2015-04-08 23:08                                                   ` Russell King - ARM Linux
2015-04-08 23:08                                                     ` Russell King - ARM Linux
2015-04-08 23:15                                                     ` Tony Lindgren
2015-04-08 23:15                                                       ` Tony Lindgren
2015-04-08 23:06                                                 ` Russell King - ARM Linux
2015-04-08 23:06                                                   ` Russell King - ARM Linux
2015-04-09 13:48                                                   ` Russell King - ARM Linux
2015-04-09 13:48                                                     ` Russell King - ARM Linux
2015-04-09 15:09                                                     ` Tony Lindgren
2015-04-09 15:09                                                       ` Tony Lindgren
2015-04-09 15:30                                                       ` Russell King - ARM Linux
2015-04-09 15:30                                                         ` Russell King - ARM Linux
2015-04-15 16:31                                                     ` Sebastian Reichel
2015-04-15 16:31                                                       ` Sebastian Reichel
2015-04-16 16:08                                                       ` Tony Lindgren
2015-04-16 16:08                                                         ` Tony Lindgren
2015-04-17 18:41                                                         ` Sebastian Reichel
2015-04-17 18:41                                                           ` Sebastian Reichel
2015-04-20 23:40                                                           ` Tony Lindgren
2015-04-20 23:40                                                             ` Tony Lindgren
2015-04-23 10:25                                                             ` Russell King - ARM Linux
2015-04-23 10:25                                                               ` Russell King - ARM Linux
2015-04-23 14:17                                                               ` Tony Lindgren
2015-04-23 14:17                                                                 ` Tony Lindgren
2015-04-28 18:13                                                                 ` Russell King - ARM Linux
2015-04-28 18:13                                                                   ` Russell King - ARM Linux
2015-04-29 14:40                                                                   ` Tony Lindgren
2015-04-29 14:40                                                                     ` Tony Lindgren
2015-05-04 14:24                                                                     ` Tony Lindgren
2015-05-04 14:24                                                                       ` Tony Lindgren
2015-04-24  8:54                                                               ` Matthijs van Duin [this message]
2015-04-24  8:54                                                                 ` Matthijs van Duin
2015-04-28 18:11                                                                 ` Russell King - ARM Linux
2015-04-28 18:11                                                                   ` Russell King - ARM Linux
2015-05-02  6:51                                                                   ` Matthijs van Duin
2015-05-02  6:51                                                                     ` Matthijs van Duin
2015-04-05 13:39                             ` Sebastian Reichel
2015-04-05 13:39                               ` Sebastian Reichel
2015-04-06 15:24                               ` Tony Lindgren
2015-04-06 15:24                                 ` Tony Lindgren
2015-05-04 16:07               ` [PATCH RESEND] ARM: dts: OMAP3-N900: Add microphone bias voltages Tony Lindgren

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