RE: [Patch v4 00/13] Add PCI pass-thru support to Hyper-V Confidential VMs

Dexuan Cui
2023-01-19T17:58:16Z

> From: Wei Liu <wei.liu@kernel.org>
> Sent: Thursday, January 12, 2023 6:04 AM
> To: Borislav Petkov <bp@alien8.de>
> [...]
> On Mon, Jan 09, 2023 at 07:47:08PM +0100, Borislav Petkov wrote:
> > On Thu, Dec 01, 2022 at 07:30:18PM -0800, Michael Kelley wrote:
> > > This patch series adds support for PCI pass-thru devices to Hyper-V
> > > Confidential VMs (also called "Isolation VMs"). But in preparation, it
> > > first changes how private (encrypted) vs. shared (decrypted) memory is
> > > handled in Hyper-V SEV-SNP guest VMs. The new approach builds on the
> > > confidential computing (coco) mechanisms introduced in the 5.19 kernel
> > > for TDX support and significantly reduces the amount of Hyper-V specific
> > > code. Furthermore, with this new approach a proposed RFC patch set for
> > > generic DMA layer functionality[1] is no longer necessary.
> >
> > In any case, this is starting to get ready - how do we merge this?
> >
> > I apply the x86 bits and give Wei an immutable branch to add the rest of the
> > HyperV stuff ontop?
>
> I can take all the patches if that's easier for you. I don't think
> anyone else is depending on the x86 patches in this series.
>
> Giving me an immutable branch works too.
>
> Thanks,
> Wei.
> > --
> > Regards/Gruss,
> > Boris.

Hi Boris, Wei, any news on this?