linux-kernel - Re: [PATCH v5 2/2] Drivers: hv: Introduce mshv

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Message-ID: <6be766a4-c983-4316-a07b-fd96238191e4@linux.microsoft.com>
Date: Wed, 11 Jun 2025 11:00:11 -0700
From: Easwar Hariharan <eahariha@...ux.microsoft.com>
To: Nuno Das Neves <nunodasneves@...ux.microsoft.com>
Cc: Naman Jain <namjain@...ux.microsoft.com>,
 "K . Y . Srinivasan" <kys@...rosoft.com>,
 Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu <wei.liu@...nel.org>,
 Dexuan Cui <decui@...rosoft.com>, eahariha@...ux.microsoft.com,
 Roman Kisel <romank@...ux.microsoft.com>,
 Anirudh Rayabharam <anrayabh@...ux.microsoft.com>,
 Saurabh Sengar <ssengar@...ux.microsoft.com>,
 Stanislav Kinsburskii <skinsburskii@...ux.microsoft.com>,
 ALOK TIWARI <alok.a.tiwari@...cle.com>, linux-kernel@...r.kernel.org,
 linux-hyperv@...r.kernel.org
Subject: Re: [PATCH v5 2/2] Drivers: hv: Introduce mshv_vtl driver

On 6/11/2025 9:46 AM, Nuno Das Neves wrote:
> On 6/11/2025 12:27 AM, Naman Jain wrote:
>> Provide an interface for Virtual Machine Monitor like OpenVMM and its
>> use as OpenHCL paravisor to control VTL0 (Virtual trust Level).
>> Expose devices and support IOCTLs for features like VTL creation,
>> VTL0 memory management, context switch, making hypercalls,
>> mapping VTL0 address space to VTL2 userspace, getting new VMBus
>> messages and channel events in VTL2 etc.
>>
>> Co-developed-by: Roman Kisel <romank@...ux.microsoft.com>
>> Signed-off-by: Roman Kisel <romank@...ux.microsoft.com>
>> Co-developed-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
>> Signed-off-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
>> Reviewed-by: Roman Kisel <romank@...ux.microsoft.com>
>> Reviewed-by: Alok Tiwari <alok.a.tiwari@...cle.com>
>> Message-ID: <20250512140432.2387503-3-namjain@...ux.microsoft.com>
>> Reviewed-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
>> Signed-off-by: Naman Jain <namjain@...ux.microsoft.com>
>> ---
>>  drivers/hv/Kconfig          |   23 +
>>  drivers/hv/Makefile         |    7 +-
>>  drivers/hv/mshv_vtl.h       |   52 +
>>  drivers/hv/mshv_vtl_main.c  | 1783 +++++++++++++++++++++++++++++++++++
>>  include/hyperv/hvgdk_mini.h |   81 ++
>>  include/hyperv/hvhdk.h      |    1 +
>>  include/uapi/linux/mshv.h   |   82 ++
>>  7 files changed, 2028 insertions(+), 1 deletion(-)
>>  create mode 100644 drivers/hv/mshv_vtl.h
>>  create mode 100644 drivers/hv/mshv_vtl_main.c
>>

<snip>

> 
> Reviewed-by: Nuno Das Neves <nunodasneves@...ux.microsoft.com>

Hi Nuno,

In the future, please trim unnecessary context, example above, following 
https://www.kernel.org/doc/html/latest/process/submitting-patches.html#use-trimmed-interleaved-replies-in-email-discussions

"Similarly, please trim all unneeded quotations that aren’t relevant to your reply.
This makes responses easier to find, and saves time and space. For more details see:
 http://daringfireball.net/2007/07/on_top"

Thanks,
Easwar (he/him)