[Bug 202055] Failed to PCI passthrough SSD with SMI SM2262 controller.

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https://bugzilla.kernel.org/show_bug.cgi?id=202055

--- Comment #36 from Dongli Zhang (dongli.zhang@xxxxxxxxxx) ---
(In reply to Alex Williamson from comment #33)
> Created attachment 280913 [details]
> NVMe subsystem reset with ACS masking
> 
> Dongli, I'd appreciate testing of this patch series.  The differences from
> the previous version are:
> 
> 1) Use NVMe subsystem reset rather than secondary bus reset, this simplifies
> some of the hotplug slot code from the previous version
> 2) Mask ACS Source Validation around reset, this eliminates some of the
> magic voodoo that avoided the fault on my system, but not yours
> 
> This exploded into a several patch series to simplify the ACS masking, but
> it should still apply easily.  Testing by others obviously welcome as well. 
> Thanks

Hi Alex,

I am on vacation and could not access the test machine with the nvme (with
issue).

I will test it next week. Thank you very much for creating the patch.

Dongli Zhang

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