linux-kernel - Re: [PATCH v9 18/22] s390: vfio-ap: implement VFIO_DEVICE

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Message-Id: <b432c371-0246-7260-c00f-05fe30a2aa03@linux.ibm.com>
Date:   Fri, 17 Aug 2018 15:03:35 -0400
From:   Tony Krowiak <akrowiak@...ux.ibm.com>
To:     Cornelia Huck <cohuck@...hat.com>
Cc:     Tony Krowiak <akrowiak@...ux.vnet.ibm.com>,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, freude@...ibm.com, schwidefsky@...ibm.com,
        heiko.carstens@...ibm.com, borntraeger@...ibm.com,
        kwankhede@...dia.com, bjsdjshi@...ux.vnet.ibm.com,
        pbonzini@...hat.com, alex.williamson@...hat.com,
        pmorel@...ux.vnet.ibm.com, alifm@...ux.vnet.ibm.com,
        mjrosato@...ux.vnet.ibm.com, jjherne@...ux.vnet.ibm.com,
        thuth@...hat.com, pasic@...ux.vnet.ibm.com, berrange@...hat.com,
        fiuczy@...ux.vnet.ibm.com, buendgen@...ibm.com,
        frankja@...ux.ibm.com
Subject: Re: [PATCH v9 18/22] s390: vfio-ap: implement VFIO_DEVICE_RESET ioctl

On 08/17/2018 05:38 AM, Cornelia Huck wrote:
> On Wed, 15 Aug 2018 17:05:48 -0400
> Tony Krowiak <akrowiak@...ux.ibm.com> wrote:
>
>> On 08/15/2018 12:38 PM, Cornelia Huck wrote:
>>> On Mon, 13 Aug 2018 17:48:15 -0400
>>> Tony Krowiak <akrowiak@...ux.vnet.ibm.com> wrote:
>>>> +	case VFIO_DEVICE_RESET:
>>>> +		ret = vfio_ap_mdev_reset_queues(mdev, true);
>>> If I see it correctly, you call this function only ever with force ==
>>> true (here and in the previous patch). Is that what you intended?
>> That does seem to be the case now; however, I think at one time there were
>> additional calls to this function. For some reason of which I am not aware,
>> those were removed, so there is probably no need for it now.
> If you don't see a need for it anymore, I'd just remove the parameter.
> Even makes vfio_ap_mdev_reset_queues() a bit nicer :)

I guess I wasn't clear, I intended to remove it.

>