85xx Address space query

[Kumar Gala]

That is correct.  The PID = 0 translations are always valid.

- k

On Jun 25, 2009, at 5:51 AM, kernel mailz wrote:

> So this means
> when kernel gets interrupted by app which may be in PID=5 (say)
> kernel translations for PID=0 remain valid ?
> I am not able to follow Scott
>
> -TZ
>
> On Thu, Jun 25, 2009 at 4:22 AM, Scott Wood<scottwood at freescale.com>  
> wrote:
>> kernel mailz wrote:
>>>
>>> But If the app was running with PID=1, interrupt occurs, kernel code
>>> gets executed in PID=1, how does the kernel handle this ? and goes
>>> back to PID=0, since its translations are all in PID=0
>>
>> PID 0 is special, it's mappings are present regardless of the value  
>> of the
>> PID register.
>>
>> -Scott
>>
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