>>> On 22.01.16 at 11:40, <bob....@oracle.com> wrote: > On 01/22/2016 03:53 PM, Jan Beulich wrote: >>>>> On 22.01.16 at 04:36, <bob....@oracle.com> wrote: >>> By the way, do you think it's possible to make grant table support bigger >>> page e.g 64K? >>> One grant-ref per 64KB instead of 4KB, this should able to reduce the grant >>> entry consumption significantly. >> >> How would that work with an underlying page size of 4k, and pages >> potentially being non-contiguous in machine address space? Besides >> that the grant table hypercall interface isn't prepared to support >> 64k page size, due to its use of uint16_t for the length of copy ops. > > Right, and I mean whether we should consider address all the place as your > mentioned.
Just from an abstract perspective: How would you envision to avoid machine address discontiguity? Or would you want to limit such an improvement to only HVM/PVH/HVMlite guests? Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
