On Mon, 2012-01-30 at 11:11 +0100, Jan Kiszka wrote: > On 2012-01-28 15:21, Alex Williamson wrote: > > Patch 1 & 2 here are independent of the rest, but I include them > > here to avoid conflicts. The first patch enables exposing MMIO > > BARs as their native width to the guest. I added a config option > > for this with the default to use the existing behavior as I > > suspect we may have some latent issues there. Patch 2 is just > > some trivial debug build warning fixes. > > > > The rest of the patches work on improving MSI-X table support. > > Particularly, vectors can now be updated by the guest after > > MSI-X is enabled to support things like irqbalance for SMP > > affinity tuning. We also now update MSI-X configuration as > > new vectors are unmasked, which enables assignment of MSI-X > > devices on FreeBSD. I was able to assign and use an 82576 > > (PF & VF) on a FreeBSD 9.0 guest with this series. Hopefully > > Shashidhar can report whether this improves the behavior he > > as seeing with an 82599. > > > > I wasn't able to get masking to work reliably, so I left that > > as is for now. Perhaps someone has suggestions on getting that > > to work. Thanks, > > Unless it's urging, let's focus on getting this implemented via the > MSI/MSI-X core, not widely duplicated in device-assignment. I disagree. This isn't making the code duplication worse and it solves at least two use cases that are currently broken. This won't make it any more difficult to eventually move to msix.c, if it does, the core needs more work. Thanks, Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
