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SubjectRe: [PATCH 2/8] PCI: Add pci_find_common_upstream_dev()

On 28/03/18 09:07 AM, Christian König wrote:
> Am 28.03.2018 um 14:38 schrieb Christoph Hellwig:
>> On Sun, Mar 25, 2018 at 12:59:54PM +0200, Christian König wrote:
>>> From: "" <>
>>> Add an interface to find the first device which is upstream of both
>>> devices.
>> Please work with Logan and base this on top of the outstanding peer
>> to peer patchset.
> Can you point me to that? The last code I could find about that was from
> 2015.

The latest posted series is here:

However, we've made some significant changes to the area that's similar
to what you are doing. You can find lasted un-posted here:

Specifically this function would be of interest to you:

However, the difference between what we are doing is that we are
interested in the distance through the common upstream device and you
appear to be finding the actual common device.



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