Re: [PATCH v19 0/3] add debugfs to migration driver

[liulongfang <liulongfang@huawei.com>]

On 2023/12/5 8:00, Alex Williamson wrote:
> On Mon, 6 Nov 2023 15:22:22 +0800
> Longfang Liu <liulongfang@huawei.com> wrote:
> 
>> Add a debugfs function to the migration driver in VFIO to provide
>> a step-by-step debugfs information for the migration driver.
>>
>> Changes v18 -> v19
>> 	maintainers add a patch.
>>
>> Changes v17 -> v18
>> 	Replace seq_printf() with seq_puts().
>>
>> Changes v16 -> v17
>> 	Add separate VFIO_DEBUGFS Kconfig entries.
>>
>> Changes v15 -> v16
>> 	Update the calling order of functions to maintain symmetry
>>
>> Changes v14 -> v15
>> 	Update the output status value of live migration.
>>
>> Changes v13 -> v14
>> 	Split the patchset and keep the vfio debugfs frame.
>>
>> Changes v12 -> v13
>> 	Solve the problem of open and close competition to debugfs.
>>
>> Changes v11 -> v12
>> 	Update loading conditions of vfio debugfs.
>>
>> Changes v10 -> v11
>> 	Delete the device restore function in debugfs.
>>
>> Changes v9 -> v10
>> 	Update the debugfs file of the live migration driver.
>>
>> Changes v8 -> v9
>> 	Update the debugfs directory structure of vfio.
>>
>> Changes v7 -> v8
>> 	Add support for platform devices.
>>
>> Changes v6 -> v7
>> 	Fix some code style issues.
>>
>> Changes v5 -> v6
>> 	Control the creation of debugfs through the CONFIG_DEBUG_FS.
>>
>> Changes v4 -> v5
>> 	Remove the newly added vfio_migration_ops and use seq_printf
>> 	to optimize the implementation of debugfs.
>>
>> Changes v3 -> v4
>> 	Change the migration_debug_operate interface to debug_root file.
>>
>> Changes v2 -> v3
>> 	Extend the debugfs function from hisilicon device to vfio.
>>
>> Changes v1 -> v2
>> 	Change the registration method of root_debugfs to register
>> 	with module initialization. 
>>
>> Longfang Liu (3):
>>   vfio/migration: Add debugfs to live migration driver
>>   Documentation: add debugfs description for vfio
>>   MAINTAINERS: Update the maintenance directory of vfio driver
>>
>>  Documentation/ABI/testing/debugfs-vfio | 25 +++++++
>>  MAINTAINERS                            |  1 +
>>  drivers/vfio/Kconfig                   | 10 +++
>>  drivers/vfio/Makefile                  |  1 +
>>  drivers/vfio/debugfs.c                 | 90 ++++++++++++++++++++++++++
>>  drivers/vfio/vfio.h                    | 14 ++++
>>  drivers/vfio/vfio_main.c               |  4 ++
>>  include/linux/vfio.h                   |  7 ++
>>  include/uapi/linux/vfio.h              |  1 +
>>  9 files changed, 153 insertions(+)
>>  create mode 100644 Documentation/ABI/testing/debugfs-vfio
>>  create mode 100644 drivers/vfio/debugfs.c
>>
> 
> Applied to vfio next branch for v6.8.  I resolved some whitespace
> issues and updated the date and kernel release version in the
> Documentation as well.  Thanks,
> 

OK, thank you very much!

Longfang.

> Alex
> 
> .
>