[Pull Request][Kinetic linux-azure] Azure: Add PCI pass-thru support to Hyper-V Confidential VMs

[Tim Gardner]

On 5/25/23 2:32 PM, Cengiz Can wrote:
> On Fri, 2023-05-05 at 13:41 +0200, Tim Gardner wrote:
>> BugLink: https://bugs.launchpad.net/bugs/2015369
>>
>> SRU Justification
>>
>> [Impact]
>>
>> Microsoft has requested the inclusion of this patch set:
>>
>> https://lore.kernel.org/linux-hyperv/1679838727-87310-1-git-send-email-mikelley@microsoft.com/T/
>>
>> [Regression Potential]
>>
>> Private memory mappings could be incorrect.
>>
>> [Test Plan]
>>
>> Microsoft tested:
>> Hi Tim, I finished the backport and pushed the patches to my github
>> branch:
>> https://github.com/dcui/tdx/commits/decui/kinetic-azure-Add-PCI-pass-thru-to-cvm-lp2015369/2023-0504
>>
>> With the branch, I'm able to start a TDX VM and a SNP VM with a NVMe
>> device assigned, and the NVMe device works in both the VMs.
>>
>> [Other Info]
>>
>> SF: #00355859
>>
>> --------------------------------------------------------------------
>>
>> The following changes since commit
>> a70f4dfe3bda868700187ab3073a566fa9a4135b:
>>
>>     UBUNTU: Ubuntu-azure-5.19.0-1026.29 (2023-04-24 07:35:21 -0600)
>>
>> are available in the Git repository at:
>>
>>     git://git.launchpad.net/~timg-
>> tpi/ubuntu/+source/linux/+git/kinetic
>> kinetic-azure-Add-PCI-pass-thru-to-cvm-lp2015369
>>
>> for you to fetch changes up to
>> 73eb0bf020e6d05f9389f235b974f1845c73840b:
>>
>>     PCI: hv: Replace retarget_msi_interrupt_params with
>> hyperv_pcpu_input_arg (2023-05-05 04:21:17 -0600)
>>
> 
> I think this commit hash is different now:
> 
> 8fda1bef5c07 ("PCI: hv: Replace retarget_msi_interrupt_params with
> hyperv_pcpu_input_arg")
> 

Hmm, I must have twiddle the TIP and re-pushed after I generated the PR.

-- 
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Tim Gardner
Canonical, Inc