On Wed, Sep 19, 2012 at 10:27 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > On Wed, Sep 19, 2012 at 6:23 PM, Ben Hutchings > <bhutchings@xxxxxxxxxxxxxx> wrote: >> On Wed, 2012-09-19 at 17:19 -0700, Yinghai Lu wrote: >>> could just stop the device and add it back again? >> >> This is highly disruptive and I think it would be totally unacceptable >> for at least networking devices. > > so you want PF network device continue work while enable VF on it? > Yes - normal scenario a system is installed thru automation over a network. The default initrd for installer does not configure VFs. Post install, a management tool like Openstack Quantum or others are used to enable VFs. If the PF NIC happens to be the communication path - disrupting the PF during a remote configuration cycle can leave you blind and the system unreachable. -subhendu -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
