On Thu, Apr 27, 2006 at 01:01:53PM +0200, Tristan Gingold wrote: > > > But this doesn't work for transfer. > > > > As you mentioned above, pages used for transfer is allocated > > from the slab. > > The Linux slab allocater calls constructor/destructor. > > It's easy to register pages used for socket buffer to xen/ia64 in order > > to track tlb inserts. > I think this is too late. > A page may have been already inserted before calling the constructor. > I think there is a security issue here.
When a domain registers pseudo physicall address, xen/ia64 un-assigns a corresponding page, and re-assigns a new page. Freeing the unassigned page can be deferred. -- yamahata _______________________________________________ Xen-ia64-devel mailing list [email protected] http://lists.xensource.com/xen-ia64-devel
