Re: [Xen-devel] [PATCH] libxl: Add CPU hotplug support for HVM domains without device model

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Feb 02, 2016 at 04:02:12PM -0500, Boris Ostrovsky wrote:
> HVMlite domains add/remove VCPUs by toggling "availability" property in
> xenstore.
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

If this is how it is supposed to work:

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

However, I would like to ask for a follow-up patch to documentation
xen.git hvmlite.markdown (or whichever file you see fit).

> ---
>  tools/libxl/libxl.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
> index 94b5656..ae8bbd8 100644
> --- a/tools/libxl/libxl.c
> +++ b/tools/libxl/libxl.c
> @@ -5557,6 +5557,7 @@ int libxl_set_vcpuonline(libxl_ctx *ctx, uint32_t 
> domid, libxl_bitmap *cpumap)
>      case LIBXL_DOMAIN_TYPE_HVM:
>          switch (libxl__device_model_version_running(gc, domid)) {
>          case LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN_TRADITIONAL:
> +        case LIBXL_DEVICE_MODEL_VERSION_NONE:
>              rc = libxl__set_vcpuonline_xenstore(gc, domid, cpumap, &info);
>              break;
>          case LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN:
> -- 
> 1.7.1
> 

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