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Re: [Qemu-devel] [PATCH v5 05/14] vl: handle "-device dimm"

From: Hu Tao
Subject: Re: [Qemu-devel] [PATCH v5 05/14] vl: handle "-device dimm"
Date: Tue, 16 Jul 2013 09:27:44 +0800
User-agent: Mutt/1.5.21 (2010-09-15)

On Mon, Jul 15, 2013 at 07:10:30PM +0200, Paolo Bonzini wrote:
> Il 15/07/2013 19:05, Vasilis Liaskovitis ha scritto:
> > from what i understand, we are currently favoring this numa option? (I saw 
> > it
> > mentioned in Gao's numa patchset series as well)
> The two patchsets have some overlap, so it's good to find a design that
> fits both.
> > There is still the question of "how many hotpluggable dimm devices does this
> > memory range describe?". With the dimm device that was clearly defined, but 
> > not
> > so with this option. Do we choose a default granularity e.g. 1 GB?
> I think it's the same.  One "-numa mem" option = one "-device dimm"
> option; both define one range.  Unused memory ranges may remain if you
> stumble upon a unusable range such as the PCI window.  For example two
> "-numa mem,size=2G" options would allocate memory from 0 to 2G and from
> 4 to 6G.

So we can drop -dimm if we agree on -numa mem?

> I'm snipping the rest of the email because I hope this covers all your
> doubts.
> Paolo

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