On Mon, Nov 02, 2015 at 03:08:26PM +, Ian Campbell wrote:
> On Mon, 2015-11-02 at 15:00 +, Wei Liu wrote:
> > On Mon, Nov 02, 2015 at 12:14:50PM +, Ian Campbell wrote:
> > > On Mon, 2015-10-26 at 09:47 +, Wei Liu wrote:
> > > > The xenbus thread didn't send notification to other
On Mon, 2015-11-02 at 15:53 +, Wei Liu wrote:
> On Mon, Nov 02, 2015 at 03:08:26PM +, Ian Campbell wrote:
> > On Mon, 2015-11-02 at 15:00 +, Wei Liu wrote:
> > > On Mon, Nov 02, 2015 at 12:14:50PM +, Ian Campbell wrote:
> > > > On Mon, 2015-10-26 at 09:47 +, Wei Liu wrote:
> >
On Mon, Nov 02, 2015 at 12:14:50PM +, Ian Campbell wrote:
> On Mon, 2015-10-26 at 09:47 +, Wei Liu wrote:
> > 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
On Mon, 2015-11-02 at 15:00 +, Wei Liu wrote:
> On Mon, Nov 02, 2015 at 12:14:50PM +, Ian Campbell wrote:
> > On Mon, 2015-10-26 at 09:47 +, Wei Liu wrote:
> > > The xenbus thread didn't send notification to other end when it
> > > expected
> > > more data or consumed responses, which
On Mon, 2015-10-26 at 09:47 +, Wei Liu wrote:
> 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 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
On Mon, Oct 26, 2015 at 01:02:45PM +0100, Samuel Thibault wrote:
> Hello,
>
> Indeed, notification seems to have been missing since basically 2006...
>
> Wei Liu, le Mon 26 Oct 2015 09:47:48 +, a écrit :
> > diff --git a/xenbus/xenbus.c b/xenbus/xenbus.c
> > index 4613ed6..7451161 100644
> >
Wei Liu, le Mon 26 Oct 2015 12:30:28 +, a écrit :
> On Mon, Oct 26, 2015 at 01:21:51PM +0100, Samuel Thibault wrote:
> > Wei Liu, le Mon 26 Oct 2015 12:14:43 +, a écrit :
> > > In my patch, mini-os notifies remote whenever it consumes a message,
> > > which I think it's slightly better
Hello,
Indeed, notification seems to have been missing since basically 2006...
Wei Liu, le Mon 26 Oct 2015 09:47:48 +, a écrit :
> diff --git a/xenbus/xenbus.c b/xenbus/xenbus.c
> index 4613ed6..7451161 100644
> --- a/xenbus/xenbus.c
> +++ b/xenbus/xenbus.c
> @@ -205,8 +205,10 @@ static void
Wei Liu, le Mon 26 Oct 2015 12:14:43 +, a écrit :
> In my patch, mini-os notifies remote whenever it consumes a message,
> which I think it's slightly better because backend can start putting
> things in the ring as mini-os processes them.
That makes more notifications, but that can lead to
On Mon, Oct 26, 2015 at 01:21:51PM +0100, Samuel Thibault wrote:
> Wei Liu, le Mon 26 Oct 2015 12:14:43 +, a écrit :
> > In my patch, mini-os notifies remote whenever it consumes a message,
> > which I think it's slightly better because backend can start putting
> > things in the ring as
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