Re: [Xen-devel] [PATCH v3 23/32] libxc: allow creating domains without emulated devices.

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Jul 03, 2015 at 01:35:01PM +0200, Roger Pau Monne wrote:
> Introduce a new flag in xc_dom_image that turns on and off the emulated
> devices. This prevents creating the VGA hole, the hvm_info page and the
> ioreq server pages. libxl unconditionally sets it to true for all HVM
> domains at the moment.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> ---
>  tools/libxc/include/xc_dom.h |  1 +
>  tools/libxc/xc_dom_x86.c     | 71 
> +++++++++++++++++++++++++-------------------
>  tools/libxl/libxl_dom.c      |  1 +
>  3 files changed, 42 insertions(+), 31 deletions(-)
> 
> diff --git a/tools/libxc/include/xc_dom.h b/tools/libxc/include/xc_dom.h
> index 68b052c..7086f6e 100644
> --- a/tools/libxc/include/xc_dom.h
> +++ b/tools/libxc/include/xc_dom.h
> @@ -194,6 +194,7 @@ struct xc_dom_image {
>      xen_pfn_t mmio_size;
>      xen_pfn_t lowmem_end;
>      xen_pfn_t highmem_end;
> +    bool emulation;
>  

Can you document what this flag enables / disables?

Wei.

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