[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: grant table anxiety [was RE: [Xen-devel] GNTTABOP_unmap_grant_ref]
> I've aired grievances against grant tables in other threads, > but now I'm getting worried all over again. Your suggestions > give a hint of the intricate handling required to manage > shared pages. IMHO, this pushes paravirtual guests to > unnatural lengths, not to mention prospects in pure-virtual > environments. Allowing user space to get access to shared pages by allowing them to map pages in a special device seems pretty sensible, and is pretty trivial to implement in the kernel. > Could we dispense with these complexities if a 3rd party > (Xen?) owned shared pages? No, the accounting issue is totally orthogonal. Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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