[libvirt] [PATCH 4/7] Fix HVM network device configuration for RHEL-5

[Daniel Veillard]

On Tue, Dec 23, 2008 at 04:05:14PM +0100, Markus Armbruster wrote:
> Omit (type ioemu) on RHEL-5, because it breaks PV drivers on HVM
> there.
> 
> Signed-off-by: Markus Armbruster <armbru at redhat.com>

 ....

> +#ifdef WITH_RHEL5_API
> +#define XEND_CONFIG_MAX_VERS_NET_TYPE_IOEMU 0
> +#else
> +#define XEND_CONFIG_MAX_VERS_NET_TYPE_IOEMU 3
> +#endif
> +
>  /**
>   * xend_connection_type:
>   *
> @@ -5155,7 +5161,7 @@ xenDaemonFormatSxprNet(virConnectPtr conn,
>       * apparently (type ioemu) breaks paravirt drivers on HVM so skip this
>       * from Xen 3.1.0
>       */
> -    if ((hvm) && (xendConfigVersion < 4))
> +    if (hvm && xendConfigVersion < XEND_CONFIG_MAX_VERS_NET_TYPE_IOEMU)

  For this to be a no-op if WITH_RHEL5_API is not defined, then I guess
  we need xendConfigVersion <= XEND_CONFIG_MAX_VERS_NET_TYPE_IOEMU

> diff --git a/src/xm_internal.c b/src/xm_internal.c

 like here:
> -    if (hvm && priv->xendConfigVersion < 4)
> +    if (hvm && priv->xendConfigVersion <= XEND_CONFIG_MAX_VERS_NET_TYPE_IOEMU)

Daniel

-- 
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