On Thu, Jan 28, 2021 at 12:01:52PM +0000, Andrew Cooper wrote: > With the Xen side of this interface (soon to be) fixed to return real sizes, > userspace needs to be able to make the query. > > Introduce xenforeignmemory_resource_size() for the purpose, bumping the > library minor version. > > Update both all osdep_xenforeignmemory_map_resource() implementations to > understand size requests, skip the mmap() operation, and copy back the > nr_frames field. > > For NetBSD, also fix up the ioctl() error path to issue an unmap(), which was > overlooked by c/s 4a64e2bb39 "libs/foreignmemory: Implement on NetBSD". > > Signed-off-by: Andrew Cooper <[email protected]> > Reviewed-by: Roger Pau Monné <[email protected]>
Acked-by: Wei Liu <[email protected]>
