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xen-devel
Re: [Xen-devel] ring.h notification hold-off question
On Sat, 2007-11-10 at 09:40 +0000, Keir Fraser wrote:
> i.e. _notify=false, which i believe skips a wanted notification.
>
> No. req_event==0, new==1, old==UINT_MAX. Then new-req_event==1, new-old==2.
> Hence a notification will be sent.
unsigned. omygod. %}
> Case (c) you are also wrong because after the subtractions we cast to an
> unsigned integer. Hence in the case old<new<req_event, new-req_event will be
> a large +ve integer, not a small -ve one.
makes all sense then.
sorry and thanks for the patience.
regards,
daniel
--
Daniel Stodden
LRR - Lehrstuhl für Rechnertechnik und Rechnerorganisation
Institut für Informatik der TU München D-85748 Garching
http://www.lrr.in.tum.de/~stodden mailto:stodden@xxxxxxxxxx
PGP Fingerprint: F5A4 1575 4C56 E26A 0B33 3D80 457E 82AE B0D8 735B
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