On 9/5/19 4:38 AM, Lukas Wunner wrote:
On Wed, Sep 04, 2019 at 11:22:13PM -0500, Shawn Anastasio wrote:
If anybody has more insight or a better way to fix this, please let me know.
Have you considered moving the invocation of pcibios_setup_device()
to pcibios_bus_add_device()?
The latter is
On 9/5/19 4:08 AM, Alexey Kardashevskiy wrot>
I just tried hotplugging 3 virtio-net devices into a guest system with
v5.2 kernel and it seems working (i.e. BARs mapped, a driver is bound):
root@le-dbg:~# lspci -v | egrep -i '(virtio|Memory)'
00:00.0 Ethernet controller: Red Hat, Inc Virtio
On 05/09/2019 14:22, Shawn Anastasio wrote:
On pseries QEMU guests, IOMMU setup for hotplugged PCI devices is currently
broken for all but the first device on a given bus. The culprit is an ordering
issue in the pseries hotplug path (via pci_rescan_bus()) which results in IOMMU
group
On pseries QEMU guests, IOMMU setup for hotplugged PCI devices is currently
broken for all but the first device on a given bus. The culprit is an ordering
issue in the pseries hotplug path (via pci_rescan_bus()) which results in IOMMU
group assigment occuring before device registration in sysfs.
