Re: [PATCH v11 01/14] s390/vfio-ap: No need to disable IRQ after queue reset

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On 10/30/20 1:56 PM, Halil Pasic wrote:
On Thu, 29 Oct 2020 19:29:35 -0400
Tony Krowiak <akrowiak@xxxxxxxxxxxxx> wrote:

+void vfio_ap_mdev_remove_queue(struct ap_device *apdev)
+{
+	struct vfio_ap_queue *q;
+	struct ap_queue *queue;
+	int apid, apqi;
+
+	queue = to_ap_queue(&apdev->device);
What is the benefit of rewriting this? You introduced
queue just to do queue->ap_dev to get to the apdev you
have in hand in the first place.
I'm not quite sure what you're asking. This function is
the callback function specified via the function pointer
specified via the remove field of the struct ap_driver
when the vfio_ap device driver is registered with the
AP bus. That callback function takes a struct ap_device
as a parameter. What am I missing here?
Please compare the removed function vfio_ap_queue_dev_remove() with the
added function vfio_ap_mdev_remove_queue() line by line. It should
become clear.

Got it. You are one sharp cookie, I'll fix this.


Regards,
Halil




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