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Re: [libvirt] [PATCH] Support Xen sysctl version 9 in Xen 4.2



On Wed, Sep 26, 2012 at 11:05:52AM -0600, Jim Fehlig wrote:
> Xen upstream c/s 24102:dc8e55c9 bumped the sysctl version to 9.
> Support this sysctl version in the xen_hypervisor sub-driver.
> ---
>  src/xen/xen_hypervisor.c |   12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
> index fdc3071..3244bbd 100644
> --- a/src/xen/xen_hypervisor.c
> +++ b/src/xen/xen_hypervisor.c
> @@ -2164,6 +2164,18 @@ xenHypervisorInit(struct xenHypervisorVersions *override_versions)
>          goto done;
>      }
>  
> +    /* Xen 4.2
> +     * sysctl version 9 -> xen-unstable c/s 24102:dc8e55c90604
> +     * domctl version 8 -> unchanged from Xen 4.1
> +     */
> +    hv_versions.sys_interface = 9; /* XEN_SYSCTL_INTERFACE_VERSION */
> +    if (virXen_getdomaininfo(fd, 0, &info) == 1) {
> +        hv_versions.dom_interface = 8; /* XEN_DOMCTL_INTERFACE_VERSION */
> +        if (virXen_getvcpusinfo(fd, 0, 0, ipt, NULL, 0) == 0){
> +            VIR_DEBUG("Using hypervisor call v2, sys ver9 dom ver8");
> +            goto done;
> +        }
> +    }
>  
>      /*
>       * we failed to make the getdomaininfolist hypercall

ACK, the usual change.

Daniel
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