Messages in this thread | | | Date | Sun, 04 Oct 2009 12:26:25 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH v2 3/4] KVM: add io services to xinterface |
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On 10/02/2009 10:19 PM, Gregory Haskins wrote: > We want to add a more efficient way to get PIO signals out of the guest, > so we add an "xioevent" interface. This allows a client to register > for notifications when a specific MMIO/PIO address is touched by > the guest. This is an alternative interface to ioeventfd, which is > performance limited by io-bus scaling and eventfd wait-queue based > notification mechanism. This also has the advantage of retaining > the full PIO data payload and passing it to the recipient. > >
Can you detail the problems with io-bus scaling and eventfd wait-queues? Maybe we should fix these instead.
-- error compiling committee.c: too many arguments to function
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