Messages in this thread | | | Date | Wed, 23 Jan 2008 16:17:28 +0200 | From | Avi Kivity <> | Subject | Re: [kvm-devel] [PATCH] export notifier #1 |
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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
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