Re: [PATCH 4/5] hisi_acc_vfio_pci: bugfix the problem of uninstalling driver

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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@xxxxxxxxxx>
> ---
>  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

Jason




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