Re: [RFC] Whitelist chipsets supporting MSI and check Hyper-transportcapabilities

[Brice Goglin]

Andi Kleen wrote:
> Brice Goglin <brice@xxxxxxxx> writes:
>   
>> Or we could enable MSI by default on PCI-E chipsets and disable by
>> default on non-PCI-E (ie we whitelist non-PCI-E only) ? PCI-E chipsets
>> seem to support MSI pretty well.
>>     
>
> It looks like at least Serverworks HT1000 has trouble with MSI
> too, but it's PCI-Express. But I guess those can be black listed
>   

IIRC, HT1000 is the southbridge part of the HT2000 chipset. We have been
told that MSI works on this chipset. And from what we've seen/tested, it
is true. The problem is that MSI is often disabled by the BIOS. My
hypertransport MSI capability quirk should check it right.

Brice

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