Question regarding the clear_page function

[Neil Horman]

got it.  Thanks Dan!
Neil

Dan Malek wrote:
>
> Neil Horman wrote:
>
> > .....  My question is, why is this not the case for the
> > 8XX series as well?
>
> The behavior of this instruction during faults and exceptions has often
> been incorrect and the different silicon revisions behave differently.
> Rather than track all of the different silicon variants, install and
> test all of the patches, it is easier to just not use it.
>
> > ....  I'm asking because I'm testing a modifed kernel in which
> > we use the dcbz instruction rather than 4 stores, and we curious as to what
> > consequences I might expect.
>
> You are probably experiencing them :-).
>
>         -- Dan
>

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