From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Cc: stefanha@redhat.com, mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane
Date: Tue, 16 Feb 2016 09:57:03 +0100 [thread overview]
Message-ID: <56C2E45F.2080103@de.ibm.com> (raw)
In-Reply-To: <1455470231-5223-1-git-send-email-pbonzini@redhat.com>
On 02/14/2016 06:17 PM, 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".
Can you provide a branch somewhere? Then I can at least test even if I
have no time review.
>
> 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
>
next prev parent reply other threads:[~2016-02-16 8:57 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-14 17:17 [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane Paolo Bonzini
2016-02-14 17:17 ` [Qemu-devel] [PATCH 1/8] block-migration: acquire AioContext as necessary Paolo Bonzini
2016-02-16 7:17 ` Fam Zheng
2016-02-19 7:41 ` Michael S. Tsirkin
2016-02-19 15:02 ` Paolo Bonzini
2016-02-14 17:17 ` [Qemu-devel] [PATCH 2/8] vring: make vring_enable_notification return void Paolo Bonzini
2016-02-15 16:24 ` Cornelia Huck
2016-02-16 7:18 ` Fam Zheng
2016-02-14 17:17 ` [Qemu-devel] [PATCH 3/8] virtio: add AioContext-specific function for host notifiers Paolo Bonzini
2016-02-16 7:20 ` Fam Zheng
2016-02-16 9:42 ` Cornelia Huck
2016-02-14 17:17 ` [Qemu-devel] [PATCH 4/8] virtio: export vring_notify as virtio_should_notify Paolo Bonzini
2016-02-15 16:44 ` Cornelia Huck
2016-02-16 7:21 ` Fam Zheng
2016-02-14 17:17 ` [Qemu-devel] [PATCH 5/8] virtio-blk: fix "disabled data plane" mode Paolo Bonzini
2016-02-15 17:58 ` Cornelia Huck
2016-02-16 15:45 ` Paolo Bonzini
2016-02-16 16:15 ` Cornelia Huck
2016-02-16 16:29 ` Paolo Bonzini
2016-02-16 7:26 ` Fam Zheng
2016-03-09 12:21 ` Christian Borntraeger
2016-03-09 12:55 ` Paolo Bonzini
2016-03-09 13:02 ` Christian Borntraeger
2016-03-09 13:05 ` Christian Borntraeger
2016-03-09 13:12 ` Cornelia Huck
2016-03-09 14:29 ` Christian Borntraeger
2016-03-09 16:17 ` Paolo Bonzini
2016-03-10 1:51 ` Fam Zheng
2016-03-10 9:03 ` Christian Borntraeger
2016-03-10 9:40 ` Christian Borntraeger
2016-03-11 10:28 ` Paolo Bonzini
2016-03-14 9:18 ` tu bo
2016-03-15 12:45 ` Fam Zheng
2016-03-15 13:18 ` Cornelia Huck
2016-03-15 14:08 ` Paolo Bonzini
2016-03-15 23:34 ` Fam Zheng
2016-03-16 5:21 ` tu bo
2016-02-14 17:17 ` [Qemu-devel] [PATCH 6/8] virtio-blk: do not use vring in dataplane Paolo Bonzini
2016-02-16 8:15 ` Fam Zheng
2016-02-14 17:17 ` [Qemu-devel] [PATCH 7/8] virtio-scsi: " Paolo Bonzini
2016-02-16 8:28 ` Fam Zheng
2016-02-14 17:17 ` [Qemu-devel] [PATCH 8/8] vring: remove Paolo Bonzini
2016-02-16 8:32 ` Fam Zheng
2016-02-16 8:57 ` Christian Borntraeger [this message]
2016-02-16 16:25 ` [Qemu-devel] [PATCH 0/8] virtio: allow migration with dataplane Paolo Bonzini
2016-02-19 7:42 ` Michael S. Tsirkin
2016-02-19 14:59 ` Paolo Bonzini
2016-02-22 16:01 ` Stefan Hajnoczi
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