[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: [Qemu-devel] Recursion in cpu_physical_memory_rw
On Wed, Nov 15, 2006 at 01:03:34PM -0600, Anthony Liguori wrote: > > >The scenario here is a compromised guest attempting to harm a host such > >as Xen. > > The only "harm" done to a host is that the process will take as much CPU > as it can get. This is really only a problem in Xen because the device > model is in Domain-0. Once the device model is in a different domain, > it doesn't matter anymore as the normal scheduler parameters can be used > to ensure that no other hosts are harmed. Actually it'll still be a problem in a driver domain unless it (and the hardware) is dedicated to a single guest. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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