Re: update_mmu_cache

[Kanoj Sarcar <kanoj@xxxxxxxxxxxxxxxxxxx>]

> 
> Kanoj,
> 
> when running ``strace rpm --rebuilddb'' I receive the following message
> whenever I've straced though rpm upto a certain point:
> 
> update_mmu_cache: Wheee, bogus tlbpid mmpid=112 
>                         tlbpid=110
> 
> The numbers of mmpid and tlbpid are different each time but the relation
> mmpid = (tlbpid + 2) & 0xff is always true.  This is on yesterday's
> CVS kernel + my cache patch which I've sent to you.
> 
> It seems that under certain circumstances we may destroy the current
> MMU context but miss to reload a new ASID value into c0_entryhi.  Ideas
> how this might happen?
> 

A quick look does not give me any clues ... but I am not looking at
the cache patch that you sent yet ...

Kanoj

>   Ralf
>