Re: [PATCH] vhost: don't set vring call if no enabled msix

2024-04-09 Thread Michael S. Tsirkin
On Mon, Apr 08, 2024 at 02:08:42PM +0800, lyx634449800 wrote: > When conducting performance testing using testpmd in the guest os, > it was observed that the performance was lower compared to the > scenario of direct vfio-pci usage. > > In the virtual machine operating system, even if the virtio d

Re: [PATCH] vhost: don't set vring call if no enabled msix

2024-04-07 Thread Jason Wang
On Mon, Apr 8, 2024 at 2:09 PM lyx634449800 wrote: > > When conducting performance testing using testpmd in the guest os, > it was observed that the performance was lower compared to the > scenario of direct vfio-pci usage. > > In the virtual machine operating system, even if the virtio device > d

[PATCH] vhost: don't set vring call if no enabled msix

2024-04-07 Thread lyx634449800
When conducting performance testing using testpmd in the guest os, it was observed that the performance was lower compared to the scenario of direct vfio-pci usage. In the virtual machine operating system, even if the virtio device does not use msix interrupts, vhost still sets vring call fd. This