Re: [Qemu-devel] [RFC PATCH 0/4] MSI affinity for assigned devices

2013-01-07 Thread Krishna J
> > 45: 1 0 3377 11194 PCI-MSI-edge > > FPGA_DEV> > RES: 14 20 21 3398 Rescheduling > > interrupts---> Many RES Interrtups!! > > I don't know, but I'll fix the line wrap for anyone else that wants to > have a look. The

Re: [Qemu-devel] [RFC PATCH 0/4] MSI affinity for assigned devices

2013-01-07 Thread Krishna J
Hi Alex, > MSI routing updates aren't currently handled by pci-assign or > vfio-pci (when using KVM acceleration), which means that trying to > set interrupt SMP affinity in the guest has no effect unless MSI is > completely disabled and re-enabled. This series fixes this for both > device assignm

[Qemu-devel] PCI device pass through support

2012-11-28 Thread Krishna J
Hi Alex, I am trying to pass through a PCI device to the guest to compare the MSI interrupt latency with normal device pass through and pass through using VFIO framework. I used the following script for dev in $(ls /sys/bus/pci/devices/:06:00.0/iommu_group/devices); do     vendor=$(cat /sys/