Gregory Haskins wrote: > On Tue, 2007-08-21 at 10:06 -0400, Gregory Haskins wrote: > >> On Tue, 2007-08-21 at 23:47 +1000, Rusty Russell wrote: >> >>> In the guest -> host direction, an interface like virtio is designed >>> for batching, with the explicit distinction between add_buf & sync. >>> >> Right. IOQ has "iter_push()" and "signal()" as synonymous operations. >> > > Hi Rusty, > This reminded me of an area that I thought might have been missing in > virtio compared to IOQ. That is, flexibility in the io-completion via > the distinction between "signal" and "sync". sync() implies that its a > blocking call based on the full drain of the queue, correct?
No, sync() means "make the other side aware that there's work to be done". -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
