linux-kernel - Re: [PATCH v2 1/1] s390/vfio-ap: fix circular lockdep when setting/clearing crypto masks

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Message-ID: <20210225163624.01a89051.pasic@linux.ibm.com>
Date:   Thu, 25 Feb 2021 16:36:24 +0100
From:   Halil Pasic <pasic@...ux.ibm.com>
To:     Tony Krowiak <akrowiak@...ux.ibm.com>
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, stable@...r.kernel.org,
        borntraeger@...ibm.com, cohuck@...hat.com, kwankhede@...dia.com,
        pbonzini@...hat.com, alex.williamson@...hat.com,
        pasic@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 1/1] s390/vfio-ap: fix circular lockdep when
 setting/clearing crypto masks

On Thu, 25 Feb 2021 08:53:50 -0500
Tony Krowiak <akrowiak@...ux.ibm.com> wrote:

> If we add the proposed flag to indicate when the matrix_mdev->kvm
> pointer is in flux, then we can check that before allowing the functions
> in the list above to proceed.

I'm not against that. Go ahead!

Regards,
Halil