Messages in this thread | | | From | Segher Boessenkool <> | Subject | Re: [PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver | Date | Sat, 19 May 2007 01:49:59 +0200 |
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> 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 (on certain implementations -- others leave it to software to clear it).
Segher
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