Re: [PATCH v3 0/5] Add support running nested Microsoft Hypervisor

From: Wei Liu
Date: Wed Nov 16 2022 - 07:17:57 EST


On Thu, Nov 03, 2022 at 01:04:02PM +0000, Jinank Jain wrote:
> This patch series plans to add support for running nested Microsoft
> Hypervisor. In case of nested Microsoft Hypervisor there are few
> privileged hypercalls which need to go L0 Hypervisor instead of L1
> Hypervisor. This patches series basically identifies such hypercalls and
> replace them with nested hypercalls.
>
> Jinank Jain (5):
> x86/hyperv: Add support for detecting nested hypervisor

I see `__weak hv_nested` in this patch.

I guess this version has fixed ARM64 build?

> Drivers: hv: Setup synic registers in case of nested root partition
> x86/hyperv: Add an interface to do nested hypercalls
> Drivers: hv: Enable vmbus driver for nested root partition
> x86/hyperv: Change interrupt vector for nested root partition
>
> arch/x86/include/asm/hyperv-tlfs.h | 17 +++++++-
> arch/x86/include/asm/idtentry.h | 2 +
> arch/x86/include/asm/irq_vectors.h | 6 +++
> arch/x86/include/asm/mshyperv.h | 68 ++++++++++++++++++++++++++++--
> arch/x86/kernel/cpu/mshyperv.c | 22 ++++++++++
> arch/x86/kernel/idt.c | 9 ++++
> drivers/hv/hv.c | 18 +++++---
> drivers/hv/hv_common.c | 7 ++-
> drivers/hv/vmbus_drv.c | 5 ++-
> include/asm-generic/hyperv-tlfs.h | 1 +
> 10 files changed, 141 insertions(+), 14 deletions(-)
>
> --
> 2.25.1
>