Wei Wang bf4dc0b2be virtio-balloon: tweak config_changed implementation ...

virtio-ccw has deadlock issues with reading the config space inside the
interrupt context, so we tweak the virtballoon_changed implementation
by moving the config read operations into the related workqueue contexts.
The config_read_bitmap is used as a flag to the workqueue callbacks
about the related config fields that need to be read.

The cmd_id_received is also renamed to cmd_id_received_cache, and
the value should be obtained via virtio_balloon_cmd_id_received.

Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 86a559787e6f ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT")
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>

2019-01-14 20:15:20 -05:00

..

Kconfig

virtio: make VIRTIO a menuconfig to ease disabling it all

2018-02-01 16:26:43 +02:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

virtio_balloon.c

virtio-balloon: tweak config_changed implementation

2019-01-14 20:15:20 -05:00

virtio_input.c

virtio: wrap find_vqs

2017-05-02 23:41:42 +03:00

virtio_mmio.c

virtio: don't allocate vqs when names[i] = NULL

2019-01-14 20:15:19 -05:00

virtio_pci_common.c

virtio_pci: use queue idx instead of array idx to set up the vq

2019-01-14 20:15:18 -05:00

virtio_pci_common.h

virtio: Make vp_set_vq_affinity() take a mask.

2018-08-11 12:02:18 -07:00

virtio_pci_legacy.c

virtio: remove deprecated VIRTIO_PCI_CONFIG()

2018-12-19 18:23:49 -05:00

virtio_pci_modern.c

virtio_pci: support enabling VFs

2018-06-12 04:59:29 +03:00

virtio_ring.c

virtio_ring: advertize packed ring layout

2018-11-26 22:17:40 -08:00

virtio.c

virtio: split device_register into device_initialize and device_add

2018-02-01 16:26:45 +02:00