Re: [Xen-devel] [OSSTEST PATCH 09/13] Planner: ms-queuedaemon: Synchronise thinking multiple walkers

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Wed, 2015-09-02 at 16:45 +0100, Ian Jackson wrote:
> If multiple walkers want to ask the same chan, we want to serialise
> them.  This is actually straightforward:  Firstly, we arrrange that
> each walker finishing a thought will prompt _all_ walkers to
> reconsider whether they need to continue.  Then we can simply do
> nothing if we want to a chan to think that another walker is already
> waiting for; since that other walker will prompt us later.
> 
> Still no actual functional change because there is still only one
> walker.
> 
> Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>


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