linux-kernel - RE: [PATCH v7 2/2] Drivers: hv: Introduce mshv

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Message-ID:
 <SN6PR02MB41576C39BA1977F0BBA406F4D425A@SN6PR02MB4157.namprd02.prod.outlook.com>
Date: Tue, 29 Jul 2025 16:08:06 +0000
From: Michael Kelley <mhklinux@...look.com>
To: Naman Jain <namjain@...ux.microsoft.com>, "K . Y . Srinivasan"
	<kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu
	<wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>
CC: Roman Kisel <romank@...ux.microsoft.com>, Anirudh Rayabharam
	<anrayabh@...ux.microsoft.com>, Saurabh Sengar <ssengar@...ux.microsoft.com>,
	Stanislav Kinsburskii <skinsburskii@...ux.microsoft.com>, Nuno Das Neves
	<nunodasneves@...ux.microsoft.com>, ALOK TIWARI <alok.a.tiwari@...cle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>
Subject: RE: [PATCH v7 2/2] Drivers: hv: Introduce mshv_vtl driver

From: Naman Jain <namjain@...ux.microsoft.com> Sent: Monday, July 28, 2025 10:15 PM
> 
> Provide an interface for Virtual Machine Monitor like OpenVMM and its
> use as OpenHCL paravisor to control VTL0 (Virtual trust Level).
> Expose devices and support IOCTLs for features like VTL creation,
> VTL0 memory management, context switch, making hypercalls,
> mapping VTL0 address space to VTL2 userspace, getting new VMBus
> messages and channel events in VTL2 etc.
> 
> Co-developed-by: Roman Kisel <romank@...ux.microsoft.com>
> Signed-off-by: Roman Kisel <romank@...ux.microsoft.com>
> Co-developed-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
> Signed-off-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
> Reviewed-by: Roman Kisel <romank@...ux.microsoft.com>
> Reviewed-by: Alok Tiwari <alok.a.tiwari@...cle.com>
> Reviewed-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
> Reviewed-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
> Signed-off-by: Naman Jain <namjain@...ux.microsoft.com>
> ---
>  drivers/hv/Kconfig          |   22 +
>  drivers/hv/Makefile         |    7 +-
>  drivers/hv/mshv_vtl.h       |   52 ++
>  drivers/hv/mshv_vtl_main.c  | 1468 +++++++++++++++++++++++++++++++++++
>  include/hyperv/hvgdk_mini.h |  106 +++
>  include/uapi/linux/mshv.h   |   80 ++
>  6 files changed, 1734 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/hv/mshv_vtl.h
>  create mode 100644 drivers/hv/mshv_vtl_main.c
> 

Looks good!

Reviewed-by: Michael Kelley <mhklinux@...look.com>