On Wed, March 6, 2013 11:05 pm, Beckmann, Brad wrote:
> Thanks Nilay for checking this in.  I know this is a small patch, but
> there was a lot of previous effort on your part to make it happen.

Would not have been possible with out your help.

>
> Going forward, I do think it is important to make the backing store
> optional and not remove it completely.  I'm fine if we maintain the
> default as off, but there are a few times when it is nice to leverage the
> backing store for simple boundary experiments.  So if we want to enable
> the backing store for se mode, is it as simple as setting access_phys_mem
> to true and setting the system.physmem.null to true?  Can we modify the
> se.py/Ruby.py to do this using just one command line parameter?

While we can add an option for keeping the functional copy of the memory,
I am not keen on it. I am of the view that once we support pio accesses in
ruby, we should remove the functional memory completely.

>
> Nilay, I'm still in the midst of a significant rebase of our tree due to
> your clock/time changes.  Please hold off on checking any more Ruby
> changes until I can get our patches out the door.
>

I was hoping these patches would not interfere with yours. Are you facing
any issues in merging your patches with the clock/time changes? I think I
made some errors in those patches. They manifest while trying to create a
checkpoint or restore from one. I have some changes that correct should do
away with some of the errors.

--
Nilay

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