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From: liulongfang <liulongfang@huawei.com>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: <alex.williamson@redhat.com>,
	<shameerali.kolothum.thodi@huawei.com>,
	<jonathan.cameron@huawei.com>, <kvm@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linuxarm@openeuler.org>
Subject: Re: [PATCH 4/5] hisi_acc_vfio_pci: bugfix the problem of uninstalling driver
Date: Thu, 12 Dec 2024 09:46:10 +0800	[thread overview]
Message-ID: <ba7e1150-1e57-9762-1b87-3a85c3928064@huawei.com> (raw)
In-Reply-To: <20241209134953.GA1888283@ziepe.ca>

On 2024/12/9 21:49, Jason Gunthorpe wrote:
> On Fri, Dec 06, 2024 at 05:33:11PM +0800, Longfang Liu wrote:
>> In a live migration scenario. If the number of VFs at the
>> destination is greater than the source, the recovery operation
>> will fail and qemu will not be able to complete the process and
>> exit after shutting down the device FD.
>>
>> This will cause the driver to be unable to be unloaded normally due
>> to abnormal reference counting of the live migration driver caused
>> by the abnormal closing operation of fd.
>>
>> Signed-off-by: Longfang Liu <liulongfang@huawei.com>
>> ---
>>  drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 1 +
>>  1 file changed, 1 insertion(+)
> 
> This one needs a fixes line and probably cc stable
>

OK.

Thanks.
Longfang

> Jason
> 
> .
> 

  reply	other threads:[~2024-12-12  1:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-06  9:33 [PATCH 0/5] bugfix some driver issues Longfang Liu
2024-12-06  9:33 ` [PATCH 1/5] hisi_acc_vfio_pci: fix XQE dma address error Longfang Liu
2024-12-06  9:33 ` [PATCH 2/5] hisi_acc_vfio_pci: add eq and aeq interruption restore Longfang Liu
2024-12-06  9:33 ` [PATCH 3/5] hisi_acc_vfio_pci: bugfix cache write-back issue Longfang Liu
2024-12-06  9:33 ` [PATCH 4/5] hisi_acc_vfio_pci: bugfix the problem of uninstalling driver Longfang Liu
2024-12-09 13:49   ` Jason Gunthorpe
2024-12-12  1:46     ` liulongfang [this message]
2024-12-06  9:33 ` [PATCH 5/5] hisi_acc_vfio_pci: bugfix live migration function without VF device driver Longfang Liu
2024-12-09 13:51   ` Jason Gunthorpe
2024-12-12  2:04     ` liulongfang

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