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[Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown()
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown() |
Date: |
Wed, 7 Mar 2018 14:42:01 +0000 |
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
- [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown(),
Stefan Hajnoczi <=
- [Qemu-block] [PATCH v3 1/4] block: add aio_wait_bh_oneshot(), Stefan Hajnoczi, 2018/03/07
- [Qemu-block] [PATCH v3 2/4] virtio-blk: fix race between .ioeventfd_stop() and vq handler, Stefan Hajnoczi, 2018/03/07
- [Qemu-block] [PATCH v3 4/4] vl: introduce vm_shutdown(), Stefan Hajnoczi, 2018/03/07
- [Qemu-block] [PATCH v3 3/4] virtio-scsi: fix race between .ioeventfd_stop() and vq handler, Stefan Hajnoczi, 2018/03/07
- Re: [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown(), Paolo Bonzini, 2018/03/07
- Re: [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown(), Fam Zheng, 2018/03/07
- Re: [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown(), Michael S. Tsirkin, 2018/03/08
- Re: [Qemu-block] [PATCH v3 0/4] vl: introduce vm_shutdown(), Stefan Hajnoczi, 2018/03/08