On 2019-07-25 12:52 p.m., Jason Gunthorpe wrote:
> On Mon, Jul 22, 2019 at 05:08:51PM -0600, Logan Gunthorpe wrote:
>> Intel devices do not have good support for P2P requests that span
>> different host bridges as the transactions will cross the QPI/UPI bus
>> and this does not perform well.
>>
On Mon, Jul 22, 2019 at 05:08:51PM -0600, Logan Gunthorpe wrote:
> Intel devices do not have good support for P2P requests that span
> different host bridges as the transactions will cross the QPI/UPI bus
> and this does not perform well.
>
> Therefore, enable support for these devices only if
Intel devices do not have good support for P2P requests that span
different host bridges as the transactions will cross the QPI/UPI bus
and this does not perform well.
Therefore, enable support for these devices only if the host bridges
match.
Adds the Intel device's that have been tested to
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