Re: [Qemu-block] [PATCH v3] migration/block:limit the time used for block migration

[Stefan Hajnoczi]

On Fri, Apr 07, 2017 at 09:30:33AM +0800, 858585 jemmy wrote:
> On Thu, Apr 6, 2017 at 10:02 PM, Stefan Hajnoczi <address@hidden> wrote:
> > On Wed, Apr 05, 2017 at 05:27:58PM +0800, address@hidden wrote:
> >
> > A proper solution is to refactor the synchronous code to make it
> > asynchronous.  This might require invoking the system call from a
> > thread pool worker.
> >
> 
> yes, i agree with you, but this is a big change.
> I will try to find how to optimize this code, maybe need a long time.
> 
> this patch is not a perfect solution, but can alleviate the problem.

Let's try to understand the problem fully first.

Stefan

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