linux-kernel - Re: [PATCH] mshv: Add support for a new parent partition configuration

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Message-ID: <aKSqX_H9QVVR02pc@liuwe-devbox-ubuntu-v2.tail21d00.ts.net>
Date: Tue, 19 Aug 2025 16:46:23 +0000
From: Wei Liu <wei.liu@...nel.org>
To: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
Cc: linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, kys@...rosoft.com,
	haiyangz@...rosoft.com, wei.liu@...nel.org, mhklinux@...look.com,
	decui@...rosoft.com, arnd@...db.de
Subject: Re: [PATCH] mshv: Add support for a new parent partition
 configuration

On Tue, Aug 19, 2025 at 12:29:19AM -0700, Nuno Das Neves wrote:
> Detect booting as an "L1VH" partition. This is a new scenario very
> similar to root partition where the mshv_root driver can be used to
> create and manage guest partitions.
> 
> It mostly works the same as root partition, but there are some
> differences in how various features are handled. hv_l1vh_partition()
> is introduced to handle these cases. Add hv_parent_partition()
> which returns true for either case, replacing some hv_root_partition()
> checks.
> 
> Signed-off-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>

Acked-by: Wei Liu <wei.liu@...nel.org>