This series implements support for the virtio device suspend feature that is under discussion. Unfortunately, the virtio mailing list is currently being migrated, so recent discussion of the proposal is not archived anywhere. There current version of the proposal is a combination of [1] and [2].
[1] https://lore.kernel.org/all/20230906081637.32185-3-lingshan....@intel.com/ [2] https://lists.oasis-open.org/archives/virtio-comment/202402/msg00088.html v1 -> v2: - Check for device removal while waiting for suspend bit. - Don't try to suspend uninitialized deivces. - Use msleep instead of mdelay. David Stevens (1): virtio: Add support for the virtio suspend feature drivers/virtio/virtio.c | 60 ++++++++++++++++++++++++++++++ drivers/virtio/virtio_pci_common.c | 34 ++++++++--------- drivers/virtio/virtio_pci_modern.c | 19 ++++++++++ include/linux/virtio.h | 8 ++++ include/uapi/linux/virtio_config.h | 10 ++++- 5 files changed, 112 insertions(+), 19 deletions(-) base-commit: e8f897f4afef0031fe618a8e94127a0934896aba -- 2.44.0.769.g3c40516874-goog
