Re: [Qemu-devel] [PATCH RESEND v2 01/18] net/colo: Add notifier/callback related helpers for filter

[Jason Wang]

On 2017年04月22日 16:35, zhanghailiang wrote:
> We will use this notifier to help COLO to notify filter object
> to do something, like do checkpoint, or process failover event.
>
> Cc: Jason Wang<address@hidden>
> Signed-off-by: zhanghailiang<address@hidden>
> Signed-off-by: Zhang Chen<address@hidden>
> Signed-off-by: Li Zhijian<address@hidden>
> ---
>   net/colo.c | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>   net/colo.h |  19 +++++++++++
>   2 files changed, 124 insertions(+)

Went through this series and I feel that the code duplicates (at least 
part) functionality of IOThread (iothread.c) . So I come to an idea that 
switch to use IOThread for COLO comparing thread then you can use aio bh 
to do the inter process communication.

Thoughts?

Thanks