2017-03-02 11:00, Ami Sabo: > The patchset fixes secondary process crash issue when it tries > to access virtio-user pmd (e.g. via rte_eth_rx_burst). > > The crash happens because in virtio_user probing, > eth_dev_attach_secondary is not being called, as it does from > rte_eth_dev_pci_probe. Therefore, the device is not properly > initialized. > > The patchset contains 2 patches: > 1. Export rte_eth_dev_attach_secondary, so non-pci drivers will be > allowed to call it. > 2. Fix the actual bug by calling the function during virtio_user probe.
I do not understand why nobody complains for other virtual devices. We should have the same issue with pcap, tap, ring, af_packet, etc. Probably that other drivers are broken in secondary processes. Or should we make a fix to handle every secondary vdev in rte_eth_dev_allocate() ?
