linux-kernel - Re: [PATCH v6 04/10] s390: vfio-ap: filter CRYCB bits for unavailable queue devices

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Date:   Wed, 18 Sep 2019 17:22:01 -0400
From:   Tony Krowiak <akrowiak@...ux.ibm.com>
To:     Halil Pasic <pasic@...ux.ibm.com>
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, freude@...ux.ibm.com, borntraeger@...ibm.com,
        cohuck@...hat.com, mjrosato@...ux.ibm.com, pmorel@...ux.ibm.com,
        alex.williamson@...hat.com, kwankhede@...dia.com,
        jjherne@...ux.ibm.com
Subject: Re: [PATCH v6 04/10] s390: vfio-ap: filter CRYCB bits for unavailable
 queue devices

On 9/18/19 1:04 PM, Halil Pasic wrote:
> On Fri, 13 Sep 2019 17:26:52 -0400
> Tony Krowiak <akrowiak@...ux.ibm.com> wrote:
> 
>> +static void vfio_ap_mdev_get_crycb_matrix(struct ap_matrix_mdev *matrix_mdev)
>> +{
>> +	unsigned long apid, apqi;
>> +	unsigned long masksz = BITS_TO_LONGS(AP_DEVICES) *
>> +			       sizeof(unsigned long);
>> +
>> +	memset(matrix_mdev->crycb.apm, 0, masksz);
>> +	memset(matrix_mdev->crycb.apm, 0, masksz);
> 
> I guess you wanted to zero out aqm here (and not apm again)!

Cut and paste without edit. I'll fix it.

> 
>> +	memcpy(matrix_mdev->crycb.adm, matrix_mdev->matrix.adm, masksz);
>