Messages in this thread | | | Subject | Re: [PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver | From | Benjamin Herrenschmidt <> | Date | Sat, 19 May 2007 10:13:16 +1000 |
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On Sat, 2007-05-19 at 01:49 +0200, Segher Boessenkool wrote: > > I find it extremely silly to implement it as edge anyway. The EE line > > is > > level triggered, and having a mix of edge and level on the same > > exception without a clean way to retrigger the DEC one other than > > waiting one tick is just causing trouble. > > It isn't edge triggered, it just automatically clears the > decrementer exception condition at its source when taken
Which is exactly the same thing software-wise as edge triggered...
Ben.
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