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Message-ID: <9c3f7b5c-b0c0-2c74-e32f-68fd3e1deee9@huawei.com>
Date: Mon, 10 Jul 2023 20:12:46 +0800
From: liulongfang <liulongfang@...wei.com>
To: <alex.williamson@...hat.com>, <jgg@...dia.com>,
<shameerali.kolothum.thodi@...wei.com>,
<jonathan.cameron@...wei.com>
CC: <cohuck@...hat.com>, <linux-kernel@...r.kernel.org>,
<linuxarm@...neuler.org>
Subject: Re: [PATCH v11 0/4] add debugfs to migration driver
On 2023/6/30 17:24, liulongfang wrote:
> Add a debugfs function to the migration driver in VFIO to provide
> a step-by-step test function for the migration driver.
>
> When the execution of live migration fails, the user can view the
> status and data during the migration process separately from the
> source and the destination, which is convenient for users to analyze
> and locate problems.
>
> 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 (4):
> vfio/migration: Add debugfs to live migration driver
> hisi_acc_vfio_pci: extract public functions for container_of
> hisi_acc_vfio_pci: register debugfs for hisilicon migration driver
> Documentation: add debugfs description for vfio
>
> .../ABI/testing/debugfs-hisi-migration | 32 +++
> Documentation/ABI/testing/debugfs-vfio | 25 +++
> MAINTAINERS | 2 +
> drivers/vfio/Makefile | 1 +
> .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 203 +++++++++++++++++-
> .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h | 11 +
> drivers/vfio/vfio.h | 14 ++
> drivers/vfio/vfio_debugfs.c | 78 +++++++
> drivers/vfio/vfio_main.c | 9 +-
> include/linux/vfio.h | 7 +
> 10 files changed, 371 insertions(+), 11 deletions(-)
> create mode 100644 Documentation/ABI/testing/debugfs-hisi-migration
> create mode 100644 Documentation/ABI/testing/debugfs-vfio
> create mode 100644 drivers/vfio/vfio_debugfs.c
>
Hi, Alex
Can you help me to review these patches ?
Thanks,
Longfang.
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