Re: [PATCH] x86: trim ram need to check if mtrr is there v3

[Jeremy Fitzhardinge]

Ingo Molnar wrote:
> * Yinghai Lu <Yinghai.Lu@xxxxxxx> wrote:
>
>   
> > [PATCH] x86: trim ram need to check if mtrr is there v3
> >     
>
>   
> > > H. Peter Anvin wrote:
> > > Looks like the code doesn't check that the CPU *has* MTRRs...
> > >       
> > so more strict check if mtrr is there really.
> > bail out if mtrr all blank when qemu cpu model is used
> >
> > and check if is AMD as early
> > also remove 4G less check, according to hpa.
> >     
>
> thanks, applied. Shouldnt we put in an exception for when there is MTRR 
> support, but they dont cover anything. Still emit a warning - but 
> booting up real slow is still better than losing all of RAM and crashing 
>   

The problem is re-occuring for me with current x86.git.  Looks like v2 
did the trick, and v3 is broken...

   J
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/