[dpdk-dev] [PATCH 0/2] Fix virtio-user multi-process crash.

[Thomas Monjalon]

Ping

2017-03-08 12:40, Thomas Monjalon:
> 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() ?

Any opinion?