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Re: [Xen-devel] [PATCH 3/3] tools: introduce parameter max_ranges.

On Tue, Jan 19, 2016 at 02:47:40PM +0000, Paul Durrant wrote:
> > ranges so perhaps the parameter name could be
> > 'max_wp_memory_ranges'?
> > >
> > 
> > What does "WP" mean? "Write Protected"?
> > 
> Yes.
> > Is this parameter closely related to IOREQ server? Should it contain
> > "ioreq" somehow?
> > 
> It is closely related but ioreq server is an implementation detail so
> do we want to expose it as a tunable? The concept we need to capture
> is that the toolstack can tune the limit of the maximum number of
> pages in the VM that can be set such that writes are emulated (but
> reads are as for normal ram). Or I guess we could get very specific
> and call it something like 'max_gtt_shadows'?

I would prefer generic concept in this case ("wp"). Let's wait a bit for
other people to voice their opinion.

Whichever one we pick it the meaning of the acronym needs to be clearly


> > Wei.

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