Re: [Xen-devel] [PATCH v2 08/30] xen/x86: do the PCI scan unconditionally

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 29.09.16 at 17:11, <roger.pau@xxxxxxxxxx> wrote:
> On Thu, Sep 29, 2016 at 07:55:00AM -0600, Jan Beulich wrote:
>> >>> On 27.09.16 at 17:57, <roger.pau@xxxxxxxxxx> wrote:
>> > Instead of being tied to the presence of an IOMMU
>> 
>> At the very least I'd expect the "why" aspect to get mentioned
>> here.
> 
> TBH, it seems simpler to have it there rather than conditional to the 
> presence of an IOMMU. Also, I think scan_pci_devices failing should be 
> fatal. Would you be OK with me adding a panic if the scan fails?

Hmm, no, not really. We can do without knowing of any PCI
devices right now, so I don't see why this should become a
panic. The more that we don't do a complete scan anyway, so
we know information is going to be at best partial until Dom0
gives us a complete picture.

Jan


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