Re: [PATCH V2 1/3] vhost-vdpa: flush workers on suspend

From: Steven Sistare
Date: Wed Feb 14 2024 - 13:18:26 EST


On 2/13/2024 10:58 AM, Eugenio Perez Martin wrote:
> On Mon, Feb 12, 2024 at 6:16 PM Steve Sistare <steven.sistare@xxxxxxxxxx> wrote:
>>
>> Flush to guarantee no workers are running when suspend returns.
>>
>> Signed-off-by: Steve Sistare <steven.sistare@xxxxxxxxxx>
>
> Acked-by: Eugenio Pérez <eperezma@xxxxxxxxxx>
>
> Should this have a Fixes tag?

Sure, I will add:

Fixes: f345a0143b4d ("vhost-vdpa: uAPI to suspend the device")

- Steve

>> ---
>> drivers/vhost/vdpa.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
>> index bc4a51e4638b..a3b986c24805 100644
>> --- a/drivers/vhost/vdpa.c
>> +++ b/drivers/vhost/vdpa.c
>> @@ -594,10 +594,13 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v)
>> struct vdpa_device *vdpa = v->vdpa;
>> const struct vdpa_config_ops *ops = vdpa->config;
>> int ret;
>> + struct vhost_dev *vdev = &v->vdev;
>>
>> if (!ops->suspend)
>> return -EOPNOTSUPP;
>>
>> + vhost_dev_flush(vdev);
>> +
>> ret = ops->suspend(vdpa);
>> if (!ret)
>> v->suspended = true;
>> --
>> 2.39.3
>>
>