Re: [Xen-devel][PATCH] libxc bitmap utils and vcpu-affinity

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 22/03/2010 03:33, "Dulloor" <dulloor@xxxxxxxxx> wrote:

> This patch adds :
> 
> * A byte-based cpumask type(xenctl_cpumask) for setting vcpu-affinity
> as well as numa-node-affinity, etc in libxc.
> 
> * Add common bitmap utils to libxc, which can be used both for
> xenctl_cpumask (and with small changes for xenctl_cpumap, if desired),
> so that we can do common operations on cpumask easily.
> 
> As opposed to xenctl_cpumap, xenctl_cpumask is a static structure
> (just 4 bytes larger for 128 cpus), but keeps the interface/code
> cleaner. The domctl_interface version keeps the size of xenctl_cpumask
> consistent between xen and xen-tools.

I'm missing the motivation for this. It sounds less good than what we have
already.

 -- Keir



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