[PATCH] 8xx: fix usage of pinned 8Mbyte TLB entries

[Wolfgang Denk]

In message <20050506230523.GA15908 at logos.cnet> you wrote:
>
> > The BDI can, but other software functions will walk the page
> > tables looking for PTE information.  
> 
> Do you have any practical example which you are certain is going
> to break? 

I think the BDM4GDB BDM debugger depends  on  this,  and  maybe  some
other tools, too.

> I dont remember any, and I dont think any software should be walking
> kernel pte's directly...

Maybe not regular software, but debug tools  that  live  outside  the
kernel.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Testing can show the presense of bugs, but not their absence.
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