Re: [Xen-devel] Design document of Kemari

On Tuesday, 10 March 2009 at 10:38, Keir Fraser wrote:
> On 10/03/2009 10:16, "Yoshisato YANAGISAWA"
> <yanagisawa.yoshisato@xxxxxxxxxxxxx> wrote:
> 
> >> Yes, we prefer a merged save/restore codebase.
> > 
> > Since Kemari requires transaction-like feature, xc_dom_kemari_save
> > should wait acknowledgment from xc_dom_kemari_restore.
> > Xc_dom_kemari_restore should also buffer data until complete snapshot
> > received from xc_dom_kemari_save.
> > Because of this reason, there might be large if-else statements if those
> > code are merged.
> > 
> > Isn't it make xc_domain_save and xc_domain_restore too complexed?
> 
> Well, you can leave it for now pending further investigation. I also want to
> see what the Remus approach is for this.

The main change to xc_domain_save is to split out the code that does a
round into its own function so that it can be called externally. I'll
have the patches together soon.


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