Re: [Xen-devel] A domain id 0x00007fff in the result of xentrace

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 30/11/08 03:50, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> A quick grep for 0x7fff in the sources for the hypervisor says:
> 
> #define IDLE_DOMAIN_ID   (0x7FFFU)
> #define is_idle_domain(d) ((d)->domain_id == IDLE_DOMAIN_ID)
> #define is_idle_vcpu(v)   (is_idle_domain((v)->domain))
> 
> Does this limit us to 32766 DomU's before we need a reboot to reset the
> id count?

Domain IDs are reusable.

 -- Keir



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