[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2] VMX: don't allow PVH to reach handle_mmio()
El 08/12/14 a les 10.12, Jan Beulich ha escrit: > PVH guests accessing I/O ports via string ops is not supported yet. > > Reported-by: Roger Pau MonnÃ<roger.pau@xxxxxxxxxx> > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> This looks fine to me (at least it doesn't break the existing IN/OUT users), and seems the best solution 4.5 wise: Acked-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx> For 4.6 I think we need to start using a different hvm_io_bitmap for PVH Dom0 that allows direct access to the IO ports, bypassing the vmexit and simplifying the code in Xen (this would also fix INS/OUTS). Still not sure what should be done for PVH DomUs, specially when PVH gains support for pci-passthrough. Roger. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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