Re: [PATCH] libxl: create pci backend only when there are pci devices

[Christoph Egger <Christoph.Egger@amd.com>]

If you want to have this patch applied to xen-4.1 then please
mention this explicitely.

Christoph

On 09/14/11 14:19, Roger Pau Monne wrote:
> # HG changeset patch
> # User Roger Pau Monne<roger.pau@entel.upc.edu>
> # Date 1316002720 -7200
> # Node ID 63e254468d6e8d81baeafaed68f05791dc21eb4e
> # Parent  ac33d68e89767d49113824e5661c49a5465a18e7
> libxl: create pci backend only when there are pci devices.
>
> Signed-off-by: Roger Pau Monne<roger.pau@entel.upc.edu>
>
> diff -r ac33d68e8976 -r 63e254468d6e tools/libxl/libxl_create.c
> --- a/tools/libxl/libxl_create.c	Thu Sep 08 15:13:06 2011 +0100
> +++ b/tools/libxl/libxl_create.c	Wed Sep 14 14:18:40 2011 +0200
> @@ -584,12 +584,14 @@ static int do_domain_create(libxl__gc *g
>       for (i = 0; i<  d_config->num_pcidevs; i++)
>           libxl__device_pci_add(gc, domid,&d_config->pcidevs[i], 1);
>
> -    ret = libxl__create_pci_backend(gc, domid, d_config->pcidevs,
> -                                    d_config->num_pcidevs);
> -    if (ret<  0) {
> -        LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
> -                   "libxl_create_pci_backend failed: %d", ret);
> -        goto error_out;
> +    if (d_config->num_pcidevs>  0) {
> +        ret = libxl__create_pci_backend(gc, domid, d_config->pcidevs,
> +                                        d_config->num_pcidevs);
> +        if (ret<  0) {
> +            LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
> +                "libxl_create_pci_backend failed: %d", ret);
> +            goto error_out;
> +        }
>       }
>
>       if (d_config->c_info.type == LIBXL_DOMAIN_TYPE_PV&&


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