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

On 04/22/2011 10:19 AM, Jiri Denemark wrote: > 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 Well, although investigation on the internet shows there is at least PCI-like bus, linux kernel doesn't know how to use it (see arch/s390/include/asm/pci.h) which is the most important. so NAK and prepare v2. Michal -- libvir-list mailing list libvir-list(a)redhat.com https://www.redhat.com/mailman/listinfo/libvir-list