alignment faults in 3.6

Rob Herring robherring2 at gmail.com
Tue Oct 23 15:14:16 EDT 2012


On 10/23/2012 11:58 AM, Russell King - ARM Linux wrote:
> On Tue, Oct 23, 2012 at 12:30:14PM -0400, Jon Masters wrote:
>> On 10/05/2012 06:51 AM, Russell King - ARM Linux wrote:
>>
>> <snip switch out the might_fault __get_user for atomic
>> probe_kernel_address related discussion>
>>
>>> Okay, this should fix the issue...  I've only compile tested it so far.
>>> Rob, as you have a way to trigger this easily, can you give this patch
>>> a go and let me know if it solves your problem?  Thanks.
>>
>> Russell, can you let me know the status of this patch? I don't see it in
>> your tree, and I think I might have missed a followup patch from you? It
>> seems to solve a real problem with in-kernel faults during the dump_mem
>> in general, even beyond just an alignment fault.
> 
> I was waiting for someone to say "I saw a problem and it works"...
> Would be nice to have a Tested-by tag against it...

I thought I had said it does work and fixes the problem. Anyway,

Tested-by: Rob Herring <rob.herring at calxeda.com>

Rob



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