From: Tony Krowiak <akrowiak@linux.ibm.com>
To: Halil Pasic <pasic@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, freude@linux.ibm.com,
borntraeger@de.ibm.com, cohuck@redhat.com,
mjrosato@linux.ibm.com, alex.williamson@redhat.com,
kwankhede@nvidia.com, fiuczy@linux.ibm.com,
frankja@linux.ibm.com, david@redhat.com, hca@linux.ibm.com,
gor@linux.ibm.com
Subject: Re: [PATCH v12 05/17] s390/vfio-ap: manage link between queue struct and matrix mdev
Date: Mon, 14 Dec 2020 18:37:08 -0500 [thread overview]
Message-ID: <eac90113-4c68-a42f-cbfa-41e6b2780380@linux.ibm.com> (raw)
In-Reply-To: <20201126150828.78776e62.pasic@linux.ibm.com>
On 11/26/20 9:08 AM, Halil Pasic wrote:
> On Tue, 24 Nov 2020 16:40:04 -0500
> Tony Krowiak <akrowiak@linux.ibm.com> wrote:
>
>> @@ -1155,6 +1243,11 @@ static int vfio_ap_mdev_reset_queues(struct mdev_device *mdev)
>> matrix_mdev->matrix.apm_max + 1) {
>> for_each_set_bit_inv(apqi, matrix_mdev->matrix.aqm,
>> matrix_mdev->matrix.aqm_max + 1) {
>> + q = vfio_ap_mdev_get_queue(matrix_mdev,
>> + AP_MKQID(apid, apqi));
>> + if (!q)
>> + continue;
>> +
>> ret = vfio_ap_mdev_reset_queue(apid, apqi, 1);
>> /*
>> * Regardless whether a queue turns out to be busy, or
>> @@ -1164,9 +1257,7 @@ static int vfio_ap_mdev_reset_queues(struct mdev_device *mdev)
>> if (ret)
>> rc = ret;
>>
>> - q = vfio_ap_get_queue(matrix_mdev, AP_MKQID(apid, apqi);
>> - if (q)
>> - vfio_ap_free_aqic_resources(q);
>> + vfio_ap_free_aqic_resources(q);
>> }
>> }
> During the review of v11 we discussed this. Introducing this the one
> way around, just to change it in the next patch, which should deal
> with something different makes no sense to me.
This is handled by the vfio_ap_mdev_reset_queue() function in the
next version.
>
> BTW I've provided a ton of feedback for '[PATCH v11 03/14]
> s390/vfio-ap: manage link between queue struct and matrix mdev', but I
> can't find your response to that. Some of the things resurface here, and
> I don't feel like repeating myself. Can you provide me an answer to
> the v11 version?
I can.
next prev parent reply other threads:[~2020-12-14 23:38 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-24 21:39 [PATCH v12 00/17] s390/vfio-ap: dynamic configuration support Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 01/17] s390/vfio-ap: move probe and remove callbacks to vfio_ap_ops.c Tony Krowiak
2020-11-26 9:35 ` Halil Pasic
2020-11-24 21:40 ` [PATCH v12 02/17] s390/vfio-ap: decrement reference count to KVM Tony Krowiak
2020-11-26 9:42 ` Halil Pasic
2020-11-24 21:40 ` [PATCH v12 03/17] 390/vfio-ap: use new AP bus interface to search for queue devices Tony Krowiak
2020-11-26 10:34 ` Halil Pasic
2020-11-30 14:48 ` Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 04/17] s390/vfio-ap: No need to disable IRQ after queue reset Tony Krowiak
2020-11-26 13:37 ` Halil Pasic
2020-11-24 21:40 ` [PATCH v12 05/17] s390/vfio-ap: manage link between queue struct and matrix mdev Tony Krowiak
2020-11-26 14:08 ` Halil Pasic
2020-12-14 23:37 ` Tony Krowiak [this message]
2020-11-26 14:45 ` Halil Pasic
2020-12-14 23:32 ` Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 06/17] s390/zcrypt: driver callback to indicate resource in use Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 07/17] s390/vfio-ap: implement in-use callback for vfio_ap driver Tony Krowiak
2020-11-26 15:54 ` Halil Pasic
2020-12-15 3:52 ` Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 08/17] s390/vfio-ap: introduce shadow APCB Tony Krowiak
2020-11-29 0:44 ` Halil Pasic
2020-11-24 21:40 ` [PATCH v12 09/17] s390/vfio-ap: sysfs attribute to display the guest's matrix Tony Krowiak
2020-11-29 0:49 ` Halil Pasic
2020-12-16 20:00 ` Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 10/17] s390/vfio-ap: initialize the guest apcb Tony Krowiak
2020-11-29 1:09 ` Halil Pasic
2020-12-16 20:08 ` Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 11/17] s390/vfio-ap: allow assignment of unavailable AP queues to mdev device Tony Krowiak
2020-11-29 1:17 ` Halil Pasic
2020-12-16 20:14 ` Tony Krowiak
2020-12-16 22:09 ` Halil Pasic
2020-11-24 21:40 ` [PATCH v12 12/17] s390/vfio-ap: allow hot plug/unplug of AP resources using " Tony Krowiak
2020-11-29 1:52 ` Halil Pasic
2020-11-30 19:36 ` Tony Krowiak
2020-11-30 23:32 ` Halil Pasic
2020-12-01 0:18 ` Tony Krowiak
2020-12-01 10:19 ` Halil Pasic
2020-12-01 17:56 ` Halil Pasic
2020-12-01 22:12 ` Tony Krowiak
2020-12-01 23:14 ` Halil Pasic
2020-11-24 21:40 ` [PATCH v12 13/17] s390/vfio-ap: hot plug/unplug queues on bind/unbind of queue device Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 14/17] s390/zcrypt: Notify driver on config changed and scan complete callbacks Tony Krowiak
[not found] ` <20201130101836.0399547c.pasic@linux.ibm.com>
2020-12-09 7:20 ` Harald Freudenberger
2020-12-16 20:32 ` Tony Krowiak
2020-12-16 20:54 ` Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 15/17] s390/vfio-ap: handle host AP config change notification Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 16/17] s390/vfio-ap: handle AP bus scan completed notification Tony Krowiak
2020-11-24 21:40 ` [PATCH v12 17/17] s390/vfio-ap: update docs to include dynamic config support Tony Krowiak
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