On Sunday, September 20, 2020 2:47 PM, Patrick O'Callaghan <p...@usb.ve> wrote:
> On Sat, 2020-09-19 at 16:38 +0000, Zir Blazer wrote: > > > Note that while MSI Interrupts are always better, in many cases they are > > not enabled by default or are broken somehow. I see often in PCI > > Passthrough scenarios for Windows with people complaining about some type > > of audio stuttering that in many cases gets solved by explicitly enabling > > MSI, as the OS or the Drivers appears to not always do so. So even when > > using modern OSes legacy PCI Interrupts performance may be important. > > Slightly OT: I sometimes get audio stutter on Windows passthrough. How > do I enable MSI interrupts? Please have a look at https://vfio.blogspot.com/2014/09/vfio-interrupts-and-how-to-coax-windows.html Or https://forums.guru3d.com/threads/windows-line-based-vs-message-signaled-based-interrupts-msi-tool.378044/ _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users