[Bug 1748] LEON nanoseconds skipping back when called during timer tick

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1748

--- Comment #6 from Rolf Schroedter <rolf.schroedter at dlr.de> 2011-03-03 10:20:23 CST ---
Yes, that should be okay.
But why don't you disable interrupt.
Can you assume, that the nanoseconds handler shall always be called with
interrupts disabled ?

IMO from the handlers point of view, it must make sure, that no interrupts
disturb the register reads.

Rolf.

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