* 2.6.25.4-rt6 doesn't build with RT_GROUP_SCHED && !SMP
@ 2008-06-14 21:10 Adam Sampson
0 siblings, 0 replies; only message in thread
From: Adam Sampson @ 2008-06-14 21:10 UTC (permalink / raw)
To: linux-kernel; +Cc: mingo, tglx
Hi,
The RT-patched kernel 2.6.25.4-rt6 doesn't build if you've turned on
group scheduling but not SMP, owing to this bit of code in
kernel/sched_rt.c:
#if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED
if (rt_se_prio(rt_se) < rt_rq->highest_prio) {
struct rq *rq = rq_of_rt_rq(rt_rq);
rt_rq->highest_prio = rt_se_prio(rt_se);
if (rq->online)
cpupri_set(&rq->rd->cpupri, rq->cpu,
rt_se_prio(rt_se));
}
#endif
struct rq only has "cpu" and "online" elements if CONFIG_SMP is enabled.
My full config is here: http://offog.org/stuff/config-2.6.25
Thanks,
--
Adam Sampson <ats@offog.org> <http://offog.org/>
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