* Toshi Kani <toshi.k...@hp.com> wrote:
> > You claimed that the only purpose of this on x86 was
> > that testing was done on non-hotplug systems, using
> > this interface. Non-hotplug systems have e820 maps.
>
> Right. Sorry, I first thought that the interface needed
> to work as defined, i.e. detect a new memory. But for
> the test purpose on non-hotplug systems, that is not
> necessary. So, I agree that we can check e820.
>
> I summarized two options in the email below.
> https://lkml.org/lkml/2013/7/23/602
>
> Option 1) adds a check with e820. Option 2) deprecates
> the interface by removing the config option from x86
> Kconfig. I was thinking that we could evaluate two
> options after this patch gets in. Does it make sense?
Yeah.
That having said, if the e820 check is too difficult to
pull off straight away, I also don't mind keeping it as-is
if it's useful for testing. Just make sure you document it
as "you need to be careful with this" (beyond it being a
root-only interface to begin with).
Thanks,
Ingo
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