[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane |
Date: |
Mon, 22 Feb 2016 16:01:11 +0000 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Sun, Feb 14, 2016 at 06:17:03PM +0100, Paolo Bonzini wrote:
> Currently, dataplane threads are shut down during migration because
> vring.c is not able to track dirty memory. However, all the relevant
> parts of QEMU have been made thread-safe now, so we can drop vring.c
> completely. With these patches, virtio-dataplane is now simply "virtio
> with ioeventfd in a different AioContext".
>
> Paolo Bonzini (8):
> block-migration: acquire AioContext as necessary
> vring: make vring_enable_notification return void
> virtio: add AioContext-specific function for host notifiers
> virtio: export vring_notify as virtio_should_notify
> virtio-blk: fix "disabled data plane" mode
> virtio-blk: do not use vring in dataplane
> virtio-scsi: do not use vring in dataplane
> vring: remove
>
> hw/block/dataplane/virtio-blk.c | 130 +-----
> hw/block/dataplane/virtio-blk.h | 1 +
> hw/block/virtio-blk.c | 51 +--
> hw/scsi/virtio-scsi-dataplane.c | 196 ++-------
> hw/scsi/virtio-scsi.c | 52 +--
> hw/virtio/Makefile.objs | 1 -
> hw/virtio/dataplane/Makefile.objs | 1 -
> hw/virtio/dataplane/vring.c | 549
> --------------------------
> hw/virtio/virtio.c | 20 +-
> include/hw/virtio/dataplane/vring-accessors.h | 75 ----
> include/hw/virtio/dataplane/vring.h | 51 ---
> include/hw/virtio/virtio-blk.h | 4 +-
> include/hw/virtio/virtio-scsi.h | 21 +-
> include/hw/virtio/virtio.h | 3 +
> migration/block.c | 61 ++-
> trace-events | 3 -
> 16 files changed, 134 insertions(+), 1085 deletions(-)
> delete mode 100644 hw/virtio/dataplane/Makefile.objs
> delete mode 100644 hw/virtio/dataplane/vring.c
> delete mode 100644 include/hw/virtio/dataplane/vring-accessors.h
> delete mode 100644 include/hw/virtio/dataplane/vring.h
>
> --
> 1.8.3.1
>
>
Acked-by: Stefan Hajnoczi <address@hidden>
signature.asc
Description: PGP signature
- [Qemu-devel] [PATCH 6/8] virtio-blk: do not use vring in dataplane, (continued)
- [Qemu-devel] [PATCH 6/8] virtio-blk: do not use vring in dataplane, Paolo Bonzini, 2016/02/14
- [Qemu-devel] [PATCH 7/8] virtio-scsi: do not use vring in dataplane, Paolo Bonzini, 2016/02/14
- [Qemu-devel] [PATCH 8/8] vring: remove, Paolo Bonzini, 2016/02/14
- Re: [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane, Christian Borntraeger, 2016/02/16
- Re: [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane, Michael S. Tsirkin, 2016/02/19
- Re: [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane,
Stefan Hajnoczi <=