From: jamie@jamieiles.com (Jamie Iles)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 0/8] MMU disabling code and kexec fixes
Date: Wed, 24 Aug 2011 13:54:55 +0100 [thread overview]
Message-ID: <20110824125455.GI23757@pulham.picochip.com> (raw)
In-Reply-To: <20110824124201.GN32688@e102144-lin.cambridge.arm.com>
On Wed, Aug 24, 2011 at 01:42:01PM +0100, Will Deacon wrote:
> On Wed, Aug 24, 2011 at 01:34:31PM +0100, Jamie Iles wrote:
[...]
> > Note that this is a device tree enabled platform so there is no
> > /proc/atags. I'm happy to test any related patches on our platform, but
> > kexec isn't something we really use.
>
> This is almost certainly the problem as the ARM kexec code doesn't have FDT
> support afaict, so the new kernel doesn't think it has any memory. Can you
> try hardcoding a command line into the kernel image which specifies the
> memory layout?
That does the trick. It now gets to the point where the platform code
starts looking for platform specific parts of the device tree (which it
can't find) so I'd call that a success.
Feel free to add a Tested-by: Jamie Iles <jamie@jamieiles.com> if you
like!
Jamie
prev parent reply other threads:[~2011-08-24 12:54 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 21:46 [PATCH v4 0/8] MMU disabling code and kexec fixes Will Deacon
2011-08-23 21:46 ` [PATCH v4 1/8] ARM: proc-v7: disable SCTLR.TE when disabling MMU Will Deacon
2011-08-24 10:15 ` Dave Martin
2011-08-24 11:01 ` Will Deacon
2011-08-25 11:19 ` Dave Martin
2011-08-23 21:46 ` [PATCH v4 2/8] ARM: kexec: ensure new kernel is entered in ARM state Will Deacon
2011-08-24 1:28 ` Nicolas Pitre
2011-08-24 10:17 ` Dave Martin
2011-08-24 11:13 ` Will Deacon
2011-08-24 10:16 ` Dave Martin
2011-08-23 21:46 ` [PATCH v4 3/8] ARM: lib: add switch_stack function for safely changing stack Will Deacon
2011-08-24 1:07 ` Nicolas Pitre
2011-08-24 10:19 ` Dave Martin
2011-08-24 11:14 ` Will Deacon
2011-08-23 21:46 ` [PATCH v4 4/8] ARM: idmap: add header file for identity mapping functions Will Deacon
2011-08-23 21:46 ` [PATCH v4 5/8] ARM: reset: allow kernelspace mappings to be flat mapped during reset Will Deacon
2011-08-23 21:46 ` [PATCH v4 6/8] ARM: reset: add reset functionality for jumping to a physical address Will Deacon
2011-08-23 21:46 ` [PATCH v4 7/8] ARM: kexec: use arm_machine_reset for branching to the reboot buffer Will Deacon
2011-08-23 21:46 ` [PATCH v4 8/8] ARM: stop: execute platform callback from cpu_stop code Will Deacon
2011-08-24 1:25 ` [PATCH v4 0/8] MMU disabling code and kexec fixes Nicolas Pitre
2011-08-24 10:58 ` Will Deacon
2011-08-24 14:53 ` Nicolas Pitre
2011-08-24 16:59 ` Will Deacon
2011-08-24 17:30 ` Nicolas Pitre
2011-08-24 17:45 ` Will Deacon
2011-08-25 13:16 ` Will Deacon
2011-08-24 12:34 ` Jamie Iles
2011-08-24 12:42 ` Will Deacon
2011-08-24 12:54 ` Jamie Iles [this message]
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