How to implement kexec on e500 ?

[kernel mailz]

Did some searching on the archieve

Looks like this is a old patch
[PATCH 03/10] powerpc: Add kexec support for PPC_85xx platforms
Dale Farnsworth
Thu, 22 Nov 2007 07:51:52 -0800

Is this the patch you were referring to kumar

-TZ


On Mon, Jun 29, 2009 at 9:06 PM, wilbur.chan<wilbur512 at gmail.com> wrote:
> Excuse me ,
>
> btw,how to search these patches on this maillist?
>
> through Linuxppc-dev Archives one by one?
>
> Cheers,
>
> wilbur
>
> 2009/6/29, Kumar Gala <galak at kernel.crashing.org>:
>>
>> On Jun 29, 2009, at 8:47 AM, wilbur.chan wrote:
>>
>>> kernel 2.6.21.7
>>>
>>> As we know , kexec stores  data  for new kernel image ,  in the form
>>> of   a page list.
>>>
>>> And kexec uses the physical address of the another  page for a
>>> "next-page" pointer.
>>>
>>> However, PowerPC e500  does not allow users to turn off the MMU, so we
>>> can not used physical address directly in our code.
>>>
>>>
>>> Someone suggested that changing  relocate_kernel.S to add a TLB 1-to-1
>>> mapping of DRAM .
>>>
>>> What does "mapping" mean ?
>>>
>>> Any suggestion to implement kexec on e500 ?
>>
>> Wilbur, kexec has been implemented on e500.  There are some patches on
>> the list for this and they just need to be respun and reviewed again.
>>
>> - k
>>
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