Re: [PATCH v2 0/2] PCI: hv: Hyper-V vPCI for ARM64

From: Bjorn Helgaas
Date: Fri Oct 08 2021 - 14:52:28 EST


On Fri, Oct 08, 2021 at 05:19:53PM +0000, Sunil Muthuswamy wrote:
> Current Hyper-V vPCI code only compiles and works for x64. There are
> some hardcoded assumptions about the architectural IRQ chip and other
> arch defines.
>
> This patch series adds support for Hyper-V vPCI for ARM64 by first
> breaking the current hard coded dependency in the vPCI code and
> making it arch neutral. That is in the first patch. The second
> patch introduces a Hyper-V vPCI MSI IRQ chip for allocating SPI
> vectors.
>
> changes in v2:
> - Moved the irqchip implementation to drivers/pci as suggested
> by Marc Zyngier
> - Addressed Multi-MSI handling issues identified by Marc Zyngier
> - Addressed lock/synchronization primitive as suggested by Marc
> Zyngier
> - Addressed other code feedback from Marc Zyngier
>
> Sunil Muthuswamy (2):
> PCI: hv: Make the code arch neutral
> PCI: hv: Support for Hyper-V vPCI for ARM64

If you have occasion to post a v3, note that this is not correctly
threaded with patches as responses to the cover letter. Thereore,
"b4 am MW4PR21MB200217CCFBC351FD12D68DF0C0B29@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
does not work to download this series. See

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/5.Posting.rst?id=v5.14#n320