Gerd Hoffmann wrote:
Or do the standard function pointer trick. Event channel notifications
change to eventfd_signal, grant table ops change to copy_to_user().
grant table ops include mapping pages of the guest (aka domU) into the
host (aka dom0) address space, fill the pointer into some struct (bio
for blkback, skb for netback), send it down the road for processing.
netback and blkback do quite some lowlevel xen memory management to
get that done, including m2p and p2m table updates due to direct
paging mode. It isn't as easy as s/hypercall/get_user_pages/ ...
So we need to plug it at a slightly higher level. Conceptually can
provide the same interfaces as xen, so it's just a matter of abstracting
it nicely.
--
error compiling committee.c: too many arguments to function
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