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083b9bd7a1
qemu/hw/virtio
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Alex Bennée 083b9bd7a1 hw/virtio/vhost: re-factor vhost-section and allow DIRTY_MEMORY_CODE 
The purpose of vhost_section is to identify RAM regions that need to
be made available to a vhost client. However when running under TCG
all RAM sections have DIRTY_MEMORY_CODE set which leads to problems
down the line.

Re-factor the code so:

  - steps are clearer to follow
  - reason for rejection is recorded in the trace point
  - we allow DIRTY_MEMORY_CODE

We expand the comment to explain that kernel based vhost has specific
support for migration tracking.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Fabiano Rosas <farosas@linux.ibm.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200605154929.26910-11-alex.bennee@linaro.org>
2020-06-08 17:04:19 +01:00
..
Kconfig virtio-iommu: depend on PCI 2020-04-01 19:00:16 +02:00
Makefile.objs virtio-iommu-pci: Add virtio iommu pci support 2020-02-27 03:46:10 -05:00
trace-events hw/virtio/vhost: re-factor vhost-section and allow DIRTY_MEMORY_CODE 2020-06-08 17:04:19 +01:00
vhost-backend.c Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
vhost-scsi-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-stub.c vhost-user: simplify vhost_user_init/vhost_user_cleanup 2019-03-12 21:22:31 -04:00
vhost-user-blk-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-user-fs-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
vhost-user-fs.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
vhost-user-input-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-user-scsi-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
vhost-user.c Refactor vhost_user_set_mem_table functions 2020-05-04 10:25:03 -04:00
vhost-vsock-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
vhost-vsock.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
vhost.c hw/virtio/vhost: re-factor vhost-section and allow DIRTY_MEMORY_CODE 2020-06-08 17:04:19 +01:00
virtio-9p-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-balloon-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
virtio-balloon.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-blk-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
virtio-bus.c virtio: notify virtqueue via host notifier when available 2019-11-06 06:35:00 -05:00
virtio-crypto-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-crypto.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-input-host-pci.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
virtio-input-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-iommu-pci.c virtio-iommu-pci: Add virtio iommu pci support 2020-02-27 03:46:10 -05:00
virtio-iommu.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-mmio.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-net-pci.c qom: Drop parameter @errp of object_property_add() & friends 2020-05-15 07:07:58 +02:00
virtio-pci.c virtio-pci: update virtio pci bar layout documentation 2020-05-04 10:25:02 -04:00
virtio-pci.h virtio-pci: Add Function Level Reset support 2019-09-04 06:33:10 -04:00
virtio-pmem-pci.c virtio pmem: remove transitional names 2019-07-12 10:57:27 -04:00
virtio-pmem-pci.h virtio-pci: Proxy for virtio-pmem 2019-07-04 17:00:32 -04:00
virtio-pmem.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-rng-pci.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
virtio-rng.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
virtio-scsi-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio-serial-pci.c qdev: set properties with device_class_set_props() 2020-01-24 20:59:15 +01:00
virtio.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00