On 01/14/2014 04:08 PM, Roger Pau Monné wrote: > On 14/01/14 16:41, Julien Grall wrote: >> On 01/14/2014 02:59 PM, Roger Pau Monne wrote: >>> +static int >>> +xenpv_attach(device_t dev) >>> +{ >>> + device_t child; >>> + >>> + if (xen_hvm_domain()) { >>> + device_t xenpci; >>> + devclass_t dc; >>> + >>> + /* Make sure xenpci has been attached */ >>> + dc = devclass_find("xenpci"); >>> + if (dc == NULL) >>> + panic("unable to find xenpci devclass"); >>> + >>> + xenpci = devclass_get_device(dc, 0); >>> + if (xenpci == NULL) >>> + panic("unable to find xenpci device"); >>> + >>> + if (!device_is_attached(xenpci)) >>> + panic("trying to attach xenpv before xenpci"); >>> + } >> >> Can you use the identify method to add the xenpci device? > > I don't think so, xenpci is a pci device, it is detected and plugged by > the pci bus code. Oups, I though you are trying to add the device. In this case, the check seems pointless. In which case the xenpci couldn't exist? -- Julien GrallReceived on Tue Jan 14 2014 - 15:14:47 UTC
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