[PATCH 2.6.21-rt7] PowerPC: fix clockevents for classic CPUs

Segher Boessenkool segher at kernel.crashing.org
Fri May 25 05:10:15 EST 2007


>  	 * We must write a positive value to the decrementer to clear
> -	 * the interrupt on the IBM 970 CPU series.  In periodic mode,
> -	 * this happens when the decrementer gets reloaded later, but
> -	 * in one-shot mode, we have to do it here since an event handler
> -	 * may skip loading the new value...
> +	 * the interrupt on POWER4+ compatible CPUs.

No, it is *not* only on POWER4+ compatible CPUs.  Sigh.


Segher




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