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>
next prev parent 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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