Messages in this thread | | | From | Dexuan Cui <> | Subject | RE: [PATCH] PCI: hv: Replace retarget_msi_interrupt_params with hyperv_pcpu_input_arg | Date | Fri, 21 Apr 2023 01:36:45 +0000 |
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> From: Wei Liu <wei.liu@kernel.org> > Sent: Wednesday, April 12, 2023 6:42 PM > > > ... > > > The change here is required for PCI device assignment to work for > > > Confidential VMs (CVMs), because otherwise we would have to call > > > set_memory_decrypted() for "hbus->retarget_msi_interrupt_params" > > > before calling the hypercall HVCALL_RETARGET_INTERRUPT. > > > > Well, not all CVMs. It's not required for SEV-SNP vTOM VMs on > > Hyper-V because of the paravisor. Is it more accurate to say > > "for Confidential VMs (CVMs) running without a paravisor"? > > Let me know how this text should be reworded.
Thanks, I just posted v2: https://lwn.net/ml/linux-kernel/20230421013025.17152-1-decui%40microsoft.com/
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