Tony Krowiak e6e9ded8ff s390/vfio-ap: No need to disable IRQ after queue reset ... commit 6c12a6384e0c0b96debd88b24028e58f2ebd417b upstream. The queues assigned to a matrix mediated device are currently reset when: * The VFIO_DEVICE_RESET ioctl is invoked * The mdev fd is closed by userspace (QEMU) * The mdev is removed from sysfs. Immediately after the reset of a queue, a call is made to disable interrupts for the queue. This is entirely unnecessary because the reset of a queue disables interrupts, so this will be removed. Furthermore, vfio_ap_irq_disable() does an unconditional PQAP/AQIC which can result in a specification exception (when the corresponding facility is not available), so this is actually a bugfix. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> [pasic@linux.ibm.com: minor rework before merging] Signed-off-by: Halil Pasic <pasic@linux.ibm.com> Fixes: ec89b55e3b ("s390: ap: implement PAPQ AQIC interception in kernel") Cc: <stable@vger.kernel.org> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-02-03 23:28:39 +01:00
..
block	s390/dasd: fix list corruption of lcu list	2020-12-30 11:54:09 +01:00
char	s390 updates for the 5.10 merge window	2020-10-16 12:36:38 -07:00
cio	s390/cio: fix use-after-free in ccw_device_destroy_console	2020-12-30 11:53:46 +01:00
crypto	s390/vfio-ap: No need to disable IRQ after queue reset	2021-02-03 23:28:39 +01:00
net	s390/qeth: fix L2 header access in qeth_l3_osa_features_check()	2021-01-17 14:16:58 +01:00
scsi	s390 updates for the 5.10 merge window	2020-10-16 12:36:38 -07:00
virtio	s390/virtio: remove unused pm callbacks	2020-06-16 13:44:04 +02:00
Makefile	s390: remove pointless drivers-y in drivers/s390/Makefile	2019-09-16 13:21:51 +02:00