linux-kernel - Re: [PATCH v3 0/2] hyperv: Move some features to common code

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Message-ID: <Z6wfHOPNUL2KcSG8@liuwe-devbox-debian-v2>
Date: Wed, 12 Feb 2025 04:10:04 +0000
From: Wei Liu <wei.liu@...nel.org>
To: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
Cc: linux-hyperv@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	wei.liu@...nel.org, mhklinux@...look.com, kys@...rosoft.com,
	haiyangz@...rosoft.com, decui@...rosoft.com,
	catalin.marinas@....com, will@...nel.org, tglx@...utronix.de,
	mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
	x86@...nel.org, hpa@...or.com, arnd@...db.de,
	jinankjain@...ux.microsoft.com, muminulrussell@...il.com,
	skinsburskii@...ux.microsoft.com, mukeshrathor@...rosoft.com
Subject: Re: [PATCH v3 0/2] hyperv: Move some features to common code

On Fri, Feb 07, 2025 at 11:03:20AM -0800, Nuno Das Neves wrote:
> There are several bits of Hyper-V-related code that today live in
> arch/x86 but are not really specific to x86_64 and will work on arm64
> too.
> 
> Some of these will be needed in the upcoming mshv driver code (for
> Linux as root partition on Hyper-V). So this is a good time to move
> them to drivers/hv.
> 
> Signed-off-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
> ---
> Changes in v3:
> * Just use percpu input page for the hypercall [Michael Kelley]
> * Move the calls to hv_get_partition_id() back to arch code [Michael Kelley]
> * Rename struct hv_get_partition_id to hv_output_get_partition_id
>   [Michael Kelley]
> 
> Changes in v2:
> * Fix dependence on percpu output page by using a stack variable for the
>   hypercall output [Michael Kelley]
> * Remove unnecessary WARN()s [Michael Kelley]
> * Define hv_current_partition_id in hv_common.c [Michael Kelley]
> * Move entire hv_proc.c to drivers/hv [Michael Kelley]
> 
> Nuno Das Neves (2):
>   hyperv: Move hv_current_partition_id to arch-generic code
>   hyperv: Move arch/x86/hyperv/hv_proc.c to drivers/hv

Applied to hyperv-next. Thanks.