From: Tony Krowiak <akrowiak@linux.ibm.com>
To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Cc: jjherne@linux.ibm.com, freude@linux.ibm.com,
borntraeger@de.ibm.com, pasic@linux.ibm.com
Subject: [PATCH v2 0/6] improve AP queue reset processing
Date: Wed, 18 Jan 2023 15:31:05 -0500 [thread overview]
Message-ID: <20230118203111.529766-1-akrowiak@linux.ibm.com> (raw)
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(-)
--
2.31.1
next reply other threads:[~2023-01-18 20:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-18 20:31 Tony Krowiak [this message]
2023-01-18 20:31 ` [PATCH v2 1/6] s390/vfio-ap: verify reset complete in separate function Tony Krowiak
2023-01-18 20:31 ` [PATCH v2 2/6] s390/vfio_ap: check TAPQ response code when waiting for queue reset Tony Krowiak
2023-01-18 20:31 ` [PATCH v2 3/6] s390/vfio_ap: use TAPQ to verify reset in progress completes Tony Krowiak
2023-01-18 20:31 ` [PATCH v2 4/6] s390/vfio_ap: verify ZAPQ completion after return of response code zero Tony Krowiak
2023-01-18 20:31 ` [PATCH v2 5/6] s390/vfio_ap: fix handling of error response codes Tony Krowiak
2023-01-18 20:31 ` [PATCH v2 6/6] s390/vfio_ap: increase max wait time for reset verification Tony Krowiak
2023-01-20 10:25 ` [PATCH v2 0/6] improve AP queue reset processing Christian Borntraeger
2023-01-20 14:02 ` Anthony Krowiak
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