Re: the number of PCI pass-through devices limit?

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On Mon, 2015-01-26 at 16:46 +0800, Xuekun Hu wrote:
> Hi, All
> 
> Is there a limit for number of PCI pass-through devices in KVM? For
> Legacy PCI device assignement or VFIO pass-through method?

There's no enforced limit, but the usable limit is related to the number
of KVM memory slots available.  Each PCI BAR uses a memory slot
(sometimes two).  If memory slots are exhausted, the the VM aborts.
Thanks,

Alex

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