[libvirt] [PATCH] Fix disability to run on systems with no PCI bus

[Jiri Denemark]

On Fri, Apr 22, 2011 at 09:58:38 +0200, Michal Privoznik wrote:
> The patch which moved libpciaccess initialization to one place caused
> regression - we were not able to run on system with no PCI bus, like
> s390(x). This patch fix it.
> ---
>  src/node_device/node_device_udev.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
> index 2139ef3..b6335ff 100644
> --- a/src/node_device/node_device_udev.c
> +++ b/src/node_device/node_device_udev.c
> @@ -1603,7 +1603,13 @@ static int udevDeviceMonitorStartup(int privileged)
>              char ebuf[256];
>              VIR_ERROR(_("Failed to initialize libpciaccess: %s"),
>                        virStrerror(pciret, ebuf, sizeof ebuf));
> +#if defined __s390__ || defined __s390x_
> +            /* On x390(x) system there is no PCI bus.
> +             * Therefore we do not want to return error here */
> +            ret = 0;
> +#else
>              ret = -1;
> +#endif
>              goto out;
>          }
>      }

Why do we try to initialize libpciaccess if we know it won't succeed? What
about just completely dropping libpciaccess dependency on s390(x)?

Jirka