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Re: [Qemu-devel] [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown()
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown() |
Date: |
Thu, 8 Mar 2018 17:47:10 +0000 |
User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Wed, Mar 07, 2018 at 02:42:01PM +0000, Stefan Hajnoczi wrote:
> v3:
> * Rebase on qemu.git/master after AIO_WAIT_WHILE() was merged [Fam]
> v2:
> * Tackle the .ioeventfd_stop() vs vq handler race by removing the ioeventfd
> from a BH in the IOThread [Fam]
>
> There are several race conditions in virtio-blk/virtio-scsi dataplane code.
> This patch series addresses them, see the commit description for details on
> the
> individual cases.
>
> Stefan Hajnoczi (4):
> block: add aio_wait_bh_oneshot()
> virtio-blk: fix race between .ioeventfd_stop() and vq handler
> virtio-scsi: fix race between .ioeventfd_stop() and vq handler
> vl: introduce vm_shutdown()
>
> include/block/aio-wait.h | 13 +++++++++++++
> include/sysemu/iothread.h | 1 -
> include/sysemu/sysemu.h | 1 +
> cpus.c | 16 +++++++++++++---
> hw/block/dataplane/virtio-blk.c | 24 +++++++++++++++++-------
> hw/scsi/virtio-scsi-dataplane.c | 9 +++++----
> iothread.c | 31 -------------------------------
> util/aio-wait.c | 31 +++++++++++++++++++++++++++++++
> vl.c | 13 +++----------
> 9 files changed, 83 insertions(+), 56 deletions(-)
>
> --
> 2.14.3
>
>
Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block
Stefan
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- [Qemu-devel] [PATCH v3 0/4] vl: introduce vm_shutdown(), Stefan Hajnoczi, 2018/03/07
- [Qemu-devel] [PATCH v3 1/4] block: add aio_wait_bh_oneshot(), Stefan Hajnoczi, 2018/03/07
- [Qemu-devel] [PATCH v3 4/4] vl: introduce vm_shutdown(), Stefan Hajnoczi, 2018/03/07
- [Qemu-devel] [PATCH v3 2/4] virtio-blk: fix race between .ioeventfd_stop() and vq handler, Stefan Hajnoczi, 2018/03/07
- [Qemu-devel] [PATCH v3 3/4] virtio-scsi: fix race between .ioeventfd_stop() and vq handler, Stefan Hajnoczi, 2018/03/07
- Re: [Qemu-devel] [PATCH v3 0/4] vl: introduce vm_shutdown(), Paolo Bonzini, 2018/03/07
- Re: [Qemu-devel] [PATCH v3 0/4] vl: introduce vm_shutdown(), Fam Zheng, 2018/03/07
- Re: [Qemu-devel] [PATCH v3 0/4] vl: introduce vm_shutdown(), Michael S. Tsirkin, 2018/03/08
- Re: [Qemu-devel] [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown(),
Stefan Hajnoczi <=