Re: [Xen-devel] [PATCH 1/6] xc: use XENMEM_claim_pages hypercall during guest creation.

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Konrad Rzeszutek Wilk writes ("[PATCH 1/6] xc: use XENMEM_claim_pages hypercall 
during guest creation."):
> From: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
> 
> We add an extra parameter to the structures passed to the
> PV routine (arch_setup_meminit) and HVM routine (setup_guest)
> that determines whether the claim hypercall is to be done.
> 
> The contents of the 'claim_enabled' is defined as an 'int'
> in case the hypercall expands in the future with extra
> flags (for example for per-NUMA allocation). For right now
> the proper values are: 0 to disable it or 1 to enable
> it.
> 
> If the hypervisor does not support this function, the
> xc_domain_claim_pages and xc_domain_get_outstanding_pages
> will silently return 0 (and set errno to zero).
> 
> Signed-off-by: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
> [v2: Updated per Ian's recommendations]
> [v3: Added support for out-of-sync hypervisor]
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

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