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Re: [Qemu-devel] [PATCH 0/3] block: fix 'savevm' hang with -object iothr
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 0/3] block: fix 'savevm' hang with -object iothread |
Date: |
Wed, 17 May 2017 16:49:56 -0400 (EDT) |
----- Original Message -----
> From: "Stefan Hajnoczi" <address@hidden>
> To: address@hidden
> Cc: "Kevin Wolf" <address@hidden>, "Paolo Bonzini" <address@hidden>, "Fam
> Zheng" <address@hidden>, "Stefan
> Hajnoczi" <address@hidden>, address@hidden
> Sent: Wednesday, May 17, 2017 7:09:38 PM
> Subject: [Qemu-devel] [PATCH 0/3] block: fix 'savevm' hang with -object
> iothread
>
> 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.
Thanks for the fixes.
Reviewed-by: Paolo Bonzini <address@hidden>
> 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 3/3] migration: avoid recursive AioContext locking in save_vmstate(), Stefan Hajnoczi, 2017/05/17
Re: [Qemu-devel] [PATCH 0/3] block: fix 'savevm' hang with -object iothread,
Paolo Bonzini <=