[Xen-devel] Re: [PATCH] Make NIC model fallback to default when specified model is not supported

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

On 09/20/2010 12:21 PM, Michal Novotny wrote:
> Hi,
> this is the patch to introduce a NIC model fallback to default when model
> specified is not supported. It's been tested on x86_64 host with current
> version of qemu-dm using the RHEL-5 i386 virtual machine and by trying to
> setup the invalid (unsupported) model of NIC device. Also, the new constant
> in the net.h called the DEFAULT_NIC_MODEL has been introduced to be able to
> change the default NIC model easily. This variable is being used to set
> the default NIC model when necessary.
>
> It's been tested by running a guest with NIC model set to be "eee" which
> is not supported and when the guest was started I tried to issue "lspci"
> to list all the PCI devices and there was Realtek RTL-8239 (AS) card
> which is basically the ne2k_pci card (default for Xen-4.1 qemu-dm) so
> the old default has been preserved and it's being used as a fallback.
I don't think qemu-dm and upstream QEMU should diverge again, so this 
patch does not sound like a good thing for Xen's ioemu codebase.
Paolo

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