Re: [Minios-devel] [PATCH MINI-OS v3 1/2] xenbus: notify the other end when necessary

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Oct 27, 2015 at 04:46:43PM +0100, Samuel Thibault wrote:
> Wei Liu, le Tue 27 Oct 2015 15:43:28 +0000, a écrit :
> > The xenbus thread didn't send notification to other end when it expected
> > more data or consumed responses, which led to stalling the ring from
> > time to time.
> > 
> > This is the culprit that guest was less responsive when using stubdom
> > because the device model was stalled.
> > 
> > Fix this by sending notification to the other end when it consumes a
> > message. A bunch of memory barriers are also added to ensure
> > correctness.
> > 
> > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> 
> Acked-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
> 

Thanks for your help along the way!

> And it should clearly be backported to stable branches.
> 
> Samuel

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