On Mar 23, 2005, at 5:25 AM, Marcelo Tosatti wrote:
> You misunderstood: get_mmu_context() _wont_ be called if the mm
> structures
> are the same.
I understood. At most, get_mmu_context() will only do a 'tlbia'
instruction, I didn't see your reason for thinking this would have
an effect on the tlbie usage.
>> Well, that's interesting. It's likely to only happen on an 860
>> variant
>> that
>> has the large TLB.
>
> For what reasoning?
My initial debugging seemed to indicate a stale TLB entry. With
the larger TLB this is more likely to happen. The bug was never
seen on the 823/850 with smaller TLBs.
I have a new 8xx board now, so I'll have to start working on these
issues as well.
Thanks.
-- Dan
