Carsten Otte wrote: > Troy Benjegerdes wrote: > >> This kind of a claim needs some benchmark data to document it. >> > We've implemented both for our vdisk driver on 390. At least on our > platform, merging in the host is preferable because vmenter/vmexit is > very fast and we would merge twice because we submit the result via > io_submit() system call from host userland. > If a single hypercall can submit multiple requests, then this may work well for the newcomer archs too. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
