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Fiona Ebner dfac4f3593 pick fix for potential deadlock with QMP resize and iothread
While the patch gives bdrv_graph_wrlock() as an example where the
issue can manifest, something similar can happen even when that is
disabled. Was able to reproduce the issue with
while true; do qm resize 115 scsi0 +4M; sleep 1; done
while running
fio --name=make-mirror-work --size=100M --direct=1 --rw=randwrite \
 --bs=4k --ioengine=psync --numjobs=5 --runtime=1200 --time_based
in the VM.

Fix picked up from:
https://lists.nongnu.org/archive/html/qemu-devel/2023-12/msg01102.html

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
2023-12-11 16:56:50 +01:00
debian pick fix for potential deadlock with QMP resize and iothread 2023-12-11 16:56:50 +01:00
qemu@78385bc738 update submodule and patches to QEMU 8.1.2 2023-10-24 15:01:23 +02:00
.gitignore add .gitignore file 2023-05-22 12:05:14 +02:00
.gitmodules import stable-4 build files 2017-04-05 11:39:09 +02:00
backup.txt correct link to vma spec to new repository url 2020-01-14 11:18:52 +01:00
Makefile buildsys: use QEMU's keycodemapdb again 2023-10-24 15:01:23 +02:00
vma_spec.txt import stable-4 build files 2017-04-05 11:39:09 +02:00