On 04/04/2012 01:48 PM, Jan Kiszka wrote: > > > > I'm not so sure anymore. Sorry about the U turn, but remind me why? In > > the long term it will be slower. > > Likely not measurably slower. If you look at a message through the arch > glasses, you can usually spot the destination directly, specifically if > a message targets a single processor - no need for hashing and table > lookups in the common case. Not on x86. The APIC ID is guest-provided. In x2apic mode it can be quite large. > In contrast, the maintenance costs for the current explicit route based > model are significant as we see now. > You mean in amount of code in userspace? That doesn't get solved since we need to keep compatibility. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. -- 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
