Gilles Chanteperdrix wrote: > Jan Kiszka wrote: >> This is basically a repost of the NNI watchdog series I sent out a few >> weeks ago. I just rebased things over latest trunk and fixed some >> warnings. >> >> All patches are also available at >> git://git.kiszka.org/xenomai.git nmi-wd-queue > > That is a lot of stuff to review. I am afraid it is impossible to review > everything, so the only thing we can rely on is testing, hence the next > question: have these patches been tested in every configuration > (enabled, disabled, built-in, module, voluntary overrun)?
In most configurations, but definitely not in all (they are too many). This is a debugging tool, so first of all the disabled case must not cause harm, and I'm quite sure I haven't changed anything regarding this. Moreover, the enabled case was not working for many recent platforms anymore as we were lacking P6 support. So there shouldn't be much to loose. > > As for the 32nd bit issue, I am afraid it can not explain the spurious > shots observed on some platfomrs (note that I implemented the early shot > thing a bit in the dark: I never observed the spurious shots myself), > that is because the nmi timer is programmed for durations between 100us > and 10ms, which should be far from using the 32nd bit. Yes, the signedness issue that is fixed in patch 1 has likely nothing to do with the spurious invocations. But wherever they may still come from, patch 3 ensures that they are now properly ignored (ie. forwarded to the next handling instance). Jan
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