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linux-stable/drivers/virtio
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David Hildenbrand 3d26a2d801 virtio: reenable config if freezing device failed 
[ Upstream commit 310227f428 ]

Currently, we don't reenable the config if freezing the device failed.

For example, virtio-mem currently doesn't support suspend+resume, and
trying to freeze the device will always fail. Afterwards, the device
will no longer respond to resize requests, because it won't get notified
about config changes.

Let's fix this by re-enabling the config if freezing fails.

Fixes: 22b7050a02 ("virtio: defer config changed notifications")
Cc: <stable@kernel.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20240213135425.795001-1-david@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-04-03 15:28:36 +02:00
..
Kconfig virtio: fatures, fixes 2022-08-12 09:50:34 -07:00
Makefile virtio: replace restricted mem access flag with callback 2022-08-01 07:42:49 +02:00
virtio.c virtio: reenable config if freezing device failed 2024-04-03 15:28:36 +02:00
virtio_anchor.c virtio: replace restricted mem access flag with callback 2022-08-01 07:42:49 +02:00
virtio_balloon.c virtio_balloon: Fix endless deflation and inflation on arm64 2023-10-18 11:29:35 -04:00
virtio_dma_buf.c
…
virtio_input.c virtio: wrap config->reset calls 2022-01-14 18:50:52 -05:00
virtio_mem.c virtio-mem: check if the config changed before fake offlining memory 2023-08-10 15:51:46 -04:00
virtio_mmio.c virtio-mmio: fix memory leak of vm_dev 2023-10-18 11:29:09 -04:00
virtio_pci_common.c virtio-pci: Fix legacy device flag setting error in probe 2023-08-10 15:24:28 -04:00
virtio_pci_common.h virtio_pci: Optimize virtio_pci_device structure size 2023-06-27 10:47:08 -04:00
virtio_pci_legacy.c virtio-pci: Fix legacy device flag setting error in probe 2023-08-10 15:24:28 -04:00
virtio_pci_legacy_dev.c virtio/virtio_pci_legacy_dev: ensure the correct return value 2022-01-14 18:50:53 -05:00
virtio_pci_modern.c virtio: add VIRTIO_F_NOTIFICATION_DATA feature support 2023-04-21 03:02:35 -04:00
virtio_pci_modern_dev.c virtio_pci: fix the common cfg map size 2023-10-18 11:30:12 -04:00
virtio_ring.c virtio: packed: fix unmap leak for indirect desc table 2024-03-26 18:20:11 -04:00
virtio_vdpa.c virtio_vdpa: build affinity masks conditionally 2023-09-03 18:10:24 -04:00