Re: [PATCH] s390/vfio-ap: handle hardware checkstop state on queue reset operation

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On Tue, Feb 27, 2024 at 08:25:21AM -0500, Jason J. Herne wrote:
> Polite Ping :)
> 
> Patch already has R-b.
> Thanks for taking a look.
> 
> On 2/15/24 10:31 AM, Jason J. Herne wrote:
> > Update vfio_ap_mdev_reset_queue() to handle an unexpected checkstop (hardware error) the
> > same as the deconfigured case. This prevents unexpected and unhelpful warnings in the
> > event of a hardware error.
> > 
> > We also stop lying about a queue's reset response code. This was originally done so we
> > could force vfio_ap_mdev_filter_matrix to pass a deconfigured device through to the guest
> > for the hotplug scenario. vfio_ap_mdev_filter_matrix is instead modified to allow
> > passthrough for all queues with reset state normal, deconfigured, or checkstopped. In the
> > checkstopped case we choose to pass the device through and let the error state be
> > reflected at the guest level.
> > 
> > Signed-off-by: Jason J. Herne <jjherne@xxxxxxxxxxxxx>
> > Reviewed-by: Anthony Krowiak <akrowiak@xxxxxxxxxxxxx>
> > ---
> >   drivers/s390/crypto/vfio_ap_ops.c | 35 ++++++++++++++++---------------
> >   1 file changed, 18 insertions(+), 17 deletions(-)

Applied, thanks!




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