Re: [Xen-devel] [PATCH RFC v1 3/4] libxl for rt scheduler

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-07-11 at 00:49 -0400, Meng Xu wrote:

> +/* Consistent with XEN_LEGACY_MAX_VCPUS xen/arch-x86/xen.h*/
> +#define LIBXL_XEN_LEGACY_MAX_VCPUS                  32 

As the name suggests this limit is legacy. Modern Xen and modern guests
can support considerably more VCPUs than this.

You need to base your interface on a dynamically sized/allocated array.
Perhaps this needs to be carried down all the way to the domctl
interface and into Xen, I haven't looked.

Ian.



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