Robin Holt wrote: > On Wed, Jan 23, 2008 at 01:51:23PM +0100, Gerd Hoffmann wrote: > >> Jumping in here, looks like this could develop into a direction useful >> for Xen. >> >> Background: Xen has a mechanism called "grant tables" for page sharing. >> Guest #1 can issue a "grant" for another guest #2, which in turn then >> can use that grant to map the page owned by guest #1 into its address >> space. This is used by the virtual network/disk drivers, i.e. typically >> Domain-0 (which has access to the real hardware) maps pages of other >> guests to fill in disk/network data. >> > > This is extremely similar to what XPMEM is providing. > >
I think that in Xen's case the page tables are the normal cpu page tables, not an external mmu (like RDMA, kvm, and XPMEM). -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel