[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH v4 4/7] xen, common: add the XEN_DOMCTL_memory_mapping hypercall



>>> On 02.04.14 at 11:43, <Ian.Campbell@xxxxxxxxxxxxx> wrote:
> This interface is already pretty broken for the case where a toolstack
> maps the same mfns into a guest twice. But that is a pretty broken thing
> for a toolstack to do.

Is it? In the context of the VGA ROM issue in qemu (discussed recently)
it seemed reasonable to me to map this at both the PCI BAR specified
location and the legacy ISA C0000h one. Similar considerations might
apply to other PCI option ROMs needed for booting (PXE comes to mind).

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.