linux-kernel - Re: [PATCH v3 00/17] Introducing Linux root partition support for Microsoft Hypervisor

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Message-ID: <20201202232234.5buzu5wysiaro3hc@liuwe-devbox-debian-v2>
Date:   Wed, 2 Dec 2020 23:22:34 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
Cc:     Wei Liu <wei.liu@...nel.org>,
        Linux on Hyper-V List <linux-hyperv@...r.kernel.org>,
        virtualization@...ts.linux-foundation.org,
        Linux Kernel List <linux-kernel@...r.kernel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        Vineeth Pillai <viremana@...ux.microsoft.com>,
        Sunil Muthuswamy <sunilmut@...rosoft.com>,
        Nuno Das Neves <nunodasneves@...ux.microsoft.com>,
        sameo@...ux.intel.com, robert.bradford@...el.com,
        sebastien.boeuf@...el.com
Subject: Re: [PATCH v3 00/17] Introducing Linux root partition support for
 Microsoft Hypervisor

On Wed, Dec 02, 2020 at 08:51:38PM +0100, Enrico Weigelt, metux IT consult wrote:
> On 24.11.20 18:07, Wei Liu wrote:
> 
> Hi,
> 
> > There will be a subsequent patch series to provide a
> > device node (/dev/mshv) such that userspace programs can create and run virtual
> > machines. 
> 
> Any chance of using the already existing /dev/kvm interface ?
> 

I don't follow. Do you mean reusing /dev/kvm but with a different set of
APIs underneath? I don't think that will work.

In any case, the first version of /dev/mshv was posted a few days ago
[0].  While we've chosen to follow closely KVM's model, Microsoft
Hypervisor has its own APIs.

Wei.

0: https://lore.kernel.org/linux-hyperv/1605918637-12192-1-git-send-email-nunodasneves@linux.microsoft.com/

> --mtx
> 
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> Enrico Weigelt, metux IT consult
> Free software and Linux embedded engineering
> info@...ux.net -- +49-151-27565287