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Re: [Xen-devel] Who populates /local/domain/0 when using xl?

To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Who populates /local/domain/0 when using xl?
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Tue, 1 Mar 2011 18:03:52 +0000
Cc: Andre Przywara <andre.przywara@xxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, 1 Mar 2011, Ian Jackson wrote:
> Andre Przywara writes ("[Xen-devel] Who populates /local/domain/0 when using 
> xl?"):
> > during my debug research I found that the xenstore's /local/domain/0 is 
> > basically empty when I use xl only (running the xencommons script only). 
> > When I start xend though it get populated properly.
> > Is this due to my b0rked installation (messed up during debug) or is 
> > this intended?
> There is a very small amount of stuff which needs to be put in at
> start of day.
> > I guess this is the reason why the vcpu-set on my box doesn't work, 
> > because if cannot change /local/domain/0/cpu/<n>/availability="offline".
> I think libxl ought to create the parent nodes as necessary, in the
> vcpu-set calls.

I don't think you need to create the parent first when you create a new
xenstore node: the parent is created automatically for you.
The libxl function that adds the availability nodes on xenstore is

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