> static void delay_tsc(unsigned long loops)
> {
> - unsigned long bclock, now;
> + unsigned prev, prev_1, now;
> + unsigned left = loops;
> + unsigned prev_cpu, cpu;
> +
> + preempt_disable();
> + rdtscl(prev);
The unsigneds should be probably u64 and the rdtsc rdtscll.
Otherwise this will all overflow for longer waits on a very
fast systems (e.g. a 5Ghz system wraps 32bit in ~1.1 seconds)
Normally such delays shouldn't be that long, but why risk
overflow even in extreme cases?
-Andi
--
To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
