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SubjectRe: [PATCH 05/16] sched: SCHED_DEADLINE policy implementation.
On 04/23/2012 01:32 PM, Peter Zijlstra wrote:
> On Fri, 2012-04-06 at 09:14 +0200, Juri Lelli wrote:
>> + /*
>> + * We Keep moving the deadline away until we get some
>> + * available runtime for the entity. This ensures correct
>> + * handling of situations where the runtime overrun is
>> + * arbitrary large.
>> + */
>> + while (dl_se->runtime<= 0) {
>> + dl_se->deadline += dl_se->dl_deadline;
>> + dl_se->runtime += dl_se->dl_runtime;
>> + }
>
> Does gcc 'optimize' that into a division? If so, it might need special
> glue to make it not do that.

I got two adds and a jle, no div here..

Thanks,

- Juri


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