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From: Greg KH <gregkh@linuxfoundation.org>
To: Fei Li <fei1.li@intel.com>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	yu1.wang@intel.com, shuox.liu@gmail.com
Subject: Re: [PATCH 3/3] virt: acrn: Introduce interface to fetch platform info from the hypervisor
Date: Sat, 21 Aug 2021 13:49:36 +0200	[thread overview]
Message-ID: <YSDoUPlP9p+Hmhyp@kroah.com> (raw)
In-Reply-To: <20210820060306.10682-4-fei1.li@intel.com>

On Fri, Aug 20, 2021 at 02:03:06PM +0800, Fei Li wrote:
> From: Shuo Liu <shuo.a.liu@intel.com>
> 
> The ACRN hypervisor configures the guest VMs information statically and
> builds guest VM configurations within the hypervisor. There are also
> some hardware information are stored in the hypervisor in boot stage.
> The ACRN userspace needs platform information to do the orchestration.
> 
> The HSM provides the following interface for the ACRN userspace to fetch
> platform info:
>  - ACRN_IOCTL_GET_PLATFORM_INFO
>    Exchange the basic information by a struct acrn_platform_info. If the
>    ACRN userspace provides a userspace buffer (whose vma filled in
>    vm_configs_addr), the HSM creates a bounce buffer (kmalloced for
>    continuous memory region) to fetch VM configurations data from the
>    hypervisor.
> 
> Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
> Signed-off-by: Fei Li <fei1.li@intel.com>
> ---
>  drivers/virt/acrn/hsm.c       | 53 +++++++++++++++++++++++++++++++++++
>  drivers/virt/acrn/hypercall.h | 12 ++++++++
>  include/uapi/linux/acrn.h     | 44 +++++++++++++++++++++++++++++
>  3 files changed, 109 insertions(+)
: 

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>

  reply	other threads:[~2021-08-21 11:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20  6:03 [PATCH 0/3] Introduce some interfaces for ACRN hypervisor HSM Fei Li
2021-08-20  6:03 ` [PATCH 1/3] virt: acrn: Introduce interfaces for MMIO device passthrough Fei Li
2021-08-21 11:49   ` Greg KH
2021-08-20  6:03 ` [PATCH 2/3] virt: acrn: Introduce interfaces for virtual device creating/destroying Fei Li
2021-08-21 11:49   ` Greg KH
2021-08-20  6:03 ` [PATCH 3/3] virt: acrn: Introduce interface to fetch platform info from the hypervisor Fei Li
2021-08-21 11:49   ` Greg KH [this message]
2021-08-21 11:49 ` [PATCH 0/3] Introduce some interfaces for ACRN hypervisor HSM Greg KH

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