Re: [PATCH v2 0/6] improve AP queue reset processing

[Christian Borntraeger]

Am 18.01.23 um 21:31 schrieb Tony Krowiak:
> This series introduces several improvements to the function that performs
> AP queue resets:
>
> * Breaks up reset processing into multiple smaller, more concise functions.
>
> * Use TAPQ to verify completion of a reset in progress rather than mulitple
>    invocations of ZAPQ.
>
> * Check TAPQ response codes when verifying successful completion of ZAPQ.
>
> * Fix erroneous handling of some error response codes.
>
> * Increase the maximum amount of time to wait for successful completion of
>    ZAPQ.
>   
> Change log v1 => v2:
> -------------------
> Remove patch 7/7 to restore original behavior since we don't know whether
> interrupts are disabled when an unexpected response code is returned from
> ZAPQ. (Halil)
>
> Tony Krowiak (6):
>    s390/vfio-ap: verify reset complete in separate function
>    s390/vfio_ap: check TAPQ response code when waiting for queue reset
>    s390/vfio_ap: use TAPQ to verify reset in progress completes
>    s390/vfio_ap: verify ZAPQ completion after return of response code
>      zero
>    s390/vfio_ap: fix handling of error response codes
>    s390/vfio_ap: increase max wait time for reset verification
>
>   drivers/s390/crypto/vfio_ap_ops.c | 104 +++++++++++++++++++++---------
>   1 file changed, 72 insertions(+), 32 deletions(-)

Thanks applied and queued for CI and regression runs. Will likely go via s390 tree.