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[Qemu-devel] [PATCH 0/3] block: fix 'savevm' hang with -object iothread
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH 0/3] block: fix 'savevm' hang with -object iothread |
Date: |
Wed, 17 May 2017 18:09:38 +0100 |
The 'savevm' command hangs when -object iothread is used. See patches for
details, but basically the vmstate read/write code didn't conform to the latest
block layer locking rules.
Stefan Hajnoczi (3):
block: count bdrv_co_rw_vmstate() requests
block: use BDRV_POLL_WHILE() in bdrv_rw_vmstate()
migration: avoid recursive AioContext locking in save_vmstate()
block/io.c | 21 +++++++++++++--------
migration/savevm.c | 12 +++++++++++-
2 files changed, 24 insertions(+), 9 deletions(-)
--
2.9.3
- [Qemu-devel] [PATCH 0/3] block: fix 'savevm' hang with -object iothread,
Stefan Hajnoczi <=
[Qemu-devel] [PATCH 3/3] migration: avoid recursive AioContext locking in save_vmstate(), Stefan Hajnoczi, 2017/05/17