On 09/01/2015 16:12, Radim Krčmář wrote: > > The chipset doesn't support it. :( > > I meant that we need to recompute PI entries for lowest priority > interrupts every time guest's TPR changes. > > Luckily, Linux doesn't use TPR, but other OS might be a reason to drop > lowest priority from PI optimizations. (Or make it more complicated.)
Doing vector hashing is a possibility as well. I would like to know what existing chipsets do in practice, then we can mimic it. Paolo _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
