On Wed, Apr 27, 2022 at 03:35:35PM +0100, Stefan Hajnoczi wrote:
> Nir Soffer reported that virtio-scsi,iothread=... consumes 100% CPU in QEMU
> 7.0. This patch series addresses two bugs in hw/scsi/virtio-scsi.c (see patches
> 1 & 2) and follows up with code cleanups.
>
> Stefan Hajnoczi (6):
> virtio-scsi: fix ctrl and event handler functions in dataplane mode
> virtio-scsi: don't waste CPU polling the event virtqueue
> virtio-scsi: clean up virtio_scsi_handle_event_vq()
> virtio-scsi: clean up virtio_scsi_handle_ctrl_vq()
> virtio-scsi: clean up virtio_scsi_handle_cmd_vq()
> virtio-scsi: move request-related items from .h to .c
>
> include/hw/virtio/virtio-scsi.h | 43 --------------
> include/hw/virtio/virtio.h | 1 +
> hw/scsi/virtio-scsi-dataplane.c | 2 +-
> hw/scsi/virtio-scsi.c | 101 ++++++++++++++++++++++----------
> hw/virtio/virtio.c | 13 ++++
> 5 files changed, 86 insertions(+), 74 deletions(-)
>
> --
> 2.35.1
>
Thanks, applied to my block tree:
https://gitlab.com/stefanha/qemu/commits/block
Stefan