On Mon, Jan 07, 2013 at 07:48:43PM +0200, Gleb Natapov wrote: > > ioapic_write (or any other ioapic update) > > lock() > > perform update > > make_all_vcpus_request(KVM_REQ_UPDATE_EOI_BITMAP) (*) > > unlock() > > > > (*) Similarly to TLB flush. > > > > The advantage is that all work becomes vcpu local. The end result > > is much simpler code. > What complexity will it remove?
Synchronization between multiple CPUs (except the KVM_REQ_ bit processing, which is infrastructure shared by other parts of KVM). We agreed that performance is non issue here. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
