s390/pci: hotplug handler fixes and reworks

[Qemu-devel] [PATCH v1 0/6] s390/pci: hotplug handler fixes and reworks

David Hildenbrand posted 6 patches 5 years, 3 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20190109165349.23631-1-david@redhat.com

Maintainers: Cornelia Huck <cohuck@redhat.com>, Richard Henderson <rth@twiddle.net>, Christian Borntraeger <borntraeger@de.ibm.com>, David Hildenbrand <david@redhat.com>, Collin Walling <walling@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>

hw/s390x/s390-pci-bus.c | 216 +++++++++++++++++++++++++++-------------
hw/s390x/s390-pci-bus.h |   1 +
2 files changed, 149 insertions(+), 68 deletions(-)

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[Qemu-devel] [PATCH v1 0/6] s390/pci: hotplug handler fixes and reworks

Posted by David Hildenbrand 5 years, 3 months ago

A bunch of fixes and reworks for s390x/pci hotplug infrastructure.

Patch 1,2: Reworks already posted (pre_plug handler)
Patch 3,4: Fixes for memory leaks
Patch 5: Rework unplug handler (introduce unplug_request handler) which
         also fixes some unplug scenarios
Patch 6: RFC patch regarding handling leftover unplug requests on reboot

We might decide to drop 1. 3 and 4 can be picked up independently.

David Hildenbrand (6):
  s390x/pci: Use hotplug_dev instead of looking up the host bridge
  s390x/pci: Move some hotplug checks to the pre_plug handler
  s390x/pci: Always delete and free the release_timer
  s390x/pci: Ignore the unplug call if we already have a release_timer
  s390x/pci: Introduce unplug requests and split unplug handler
  s390x/pci: unplug remaining devices on pcihost reset

 hw/s390x/s390-pci-bus.c | 216 +++++++++++++++++++++++++++-------------
 hw/s390x/s390-pci-bus.h |   1 +
 2 files changed, 149 insertions(+), 68 deletions(-)

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2.17.2