RFC on Kdump and PCIe on ARM64

[Sinan Kaya]

On 3/2/2018 1:02 PM, Will Deacon wrote:
>> How about the points that Baoquan highlighted in his email regarding the
>> solution from AMD and X86?
> Which specific points do you think this proposal doesn't address?
> 

No specific concerns at this moment.

>> I have not read the entire thread but, is this just a matter of following
>> what Bjorn recommended or there is more to it?
> I'm trying to say how I think Bjorn's idea can be implemented for SMMUv3.
> I basically want to avoid a situation where the SMMU driver tries to walk
> the in-memory data structures left by a previous kernel and infer the
> setup from that.

Let me know if you have something to test. We have a test case with the
crash.

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.